மீடியாவிக்கி:Gadget-morebits.js
// &lt;nowiki&gt;
 /**
  * A library full of lots of goodness for user scripts on MediaWiki wikis, including Wikipedia.
  *
  * The highlights include:
  * - {@link Morebits.wiki.api} - make calls to the MediaWiki API
  * - {@link Morebits.wiki.page} - modify pages on the wiki (edit, revert, delete, etc.)
  * - {@link Morebits.date} - enhanced date object processing, sort of a light moment.js
  * - {@link Morebits.quickForm} - generate quick HTML forms on the fly
  * - {@link Morebits.simpleWindow} - a wrapper for jQuery UI Dialog with a custom look and extra features
  * - {@link Morebits.status} - a rough-and-ready status message displayer, used by the Morebits.wiki classes
  * - {@link Morebits.wikitext} - utilities for dealing with wikitext
  * - {@link Morebits.string} - utilities for manipulating strings
  * - {@link Morebits.array} - utilities for manipulating arrays
  *
  * Dependencies:
  * - The whole thing relies on jQuery.  But most wikis should provide this by default.
  * - {@link Morebits.quickForm}, {@link Morebits.simpleWindow}, and {@link Morebits.status} rely on the &quot;morebits.css&quot; file for their styling.
  * - {@link Morebits.simpleWindow} and {@link Morebits.quickForm} tooltips rely on jQuery UI Dialog (from ResourceLoader module name 'jquery.ui').
  * - To create a gadget based on morebits.js, use this syntax in MediaWiki:Gadgets-definition:
  *     - `*GadgetName[ResourceLoader|dependencies=mediawiki.user,mediawiki.util,mediawiki.Title,jquery.ui]|morebits.js|morebits.css|GadgetName.js`
  * - Alternatively, you can configure morebits.js as a hidden gadget in MediaWiki:Gadgets-definition:
  *     - `*morebits[ResourceLoader|dependencies=mediawiki.user,mediawiki.util,mediawiki.Title,jquery.ui|hidden]|morebits.js|morebits.css`
  *     and then load ext.gadget.morebits as one of the dependencies for the new gadget.
  *
  * All the stuff here works on all browsers for which MediaWiki provides JavaScript support.
  *
  * This library is maintained by the maintainers of Twinkle.
  * For queries, suggestions, help, etc., head to [Wikipedia talk:Twinkle on English Wikipedia](http://en.wikipedia.org/wiki/WT:TW).
  * The latest development source is available at {@link https://github.com/wikimedia-gadgets/twinkle/blob/master/morebits.js|GitHub}.
  *
  * @namespace Morebits
  */
 
 
 (function (window, document, $) { // Wrap entire file with anonymous function
 
 /** @lends Morebits */
 var Morebits = {};
 window.Morebits = Morebits;  // allow global access
 
 
 /**
  * Simple helper function to see what groups a user might belong.
  *
  * @param {string} group - e.g. `sysop`, `extendedconfirmed`, etc.
  * @returns {boolean}
  */
 Morebits.userIsInGroup = function (group) {
 	return mw.config.get('wgUserGroups').indexOf(group) !== -1;
 };
 /** Hardcodes whether the user is a sysop, used a lot.
  *
  * @type {boolean}
  */
 Morebits.userIsSysop = Morebits.userIsInGroup('sysop');
 
 /**
  * Converts an IPv6 address to the canonical form stored and used by MediaWiki.
  * JavaScript translation of the {@link https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/core/+/8eb6ac3e84ea3312d391ca96c12c49e3ad0753bb/includes/utils/IP.php#131|`IP::sanitizeIP()`}
  * function from the IPUtils library.  Adddresses are verbose, uppercase,
  * normalized, and expanded to 8 words.
  *
  * @param {string} address - The IPv6 address, with or without CIDR.
  * @returns {string}
  */
 Morebits.sanitizeIPv6 = function (address) {
 	address = address.trim();
 	if (address === '') {
 		return null;
 	}
 	if (!mw.util.isIPv6Address(address, true)) {
 		return address; // nothing else to do for IPv4 addresses or invalid ones
 	}
 	// Remove any whitespaces, convert to upper case
 	address = address.toUpperCase();
 	// Expand zero abbreviations
 	var abbrevPos = address.indexOf('::');
 	if (abbrevPos &gt; -1) {
 		// We know this is valid IPv6. Find the last index of the
 		// address before any CIDR number (e.g. &quot;a:b:c::/24&quot;).
 		var CIDRStart = address.indexOf('/');
 		var addressEnd = CIDRStart !== -1 ? CIDRStart - 1 : address.length - 1;
 		// If the '::' is at the beginning...
 		var repeat, extra, pad;
 		if (abbrevPos === 0) {
 			repeat = '0:';
 			extra = address === '::' ? '0' : ''; // for the address '::'
 			pad = 9; // 7+2 (due to '::')
 		// If the '::' is at the end...
 		} else if (abbrevPos === (addressEnd - 1)) {
 			repeat = ':0';
 			extra = '';
 			pad = 9; // 7+2 (due to '::')
 		// If the '::' is in the middle...
 		} else {
 			repeat = ':0';
 			extra = ':';
 			pad = 8; // 6+2 (due to '::')
 		}
 		var replacement = repeat;
 		pad -= address.split(':').length - 1;
 		for (var i = 1; i &lt; pad; i++) {
 			replacement += repeat;
 		}
 		replacement += extra;
 		address = address.replace('::', replacement);
 	}
 	// Remove leading zeros from each bloc as needed
 	return address.replace(/(^|:)0+([0-9A-Fa-f]{1,4})/g, '$1$2');
 };
 
 /**
  * Determines whether the current page is a redirect or soft redirect. Fails
  * to detect soft redirects on edit, history, etc. pages.  Will attempt to
  * detect [[Module:Redirect for discussion]], with the same failure points.
  *
  * @returns {boolean}
  */
 Morebits.isPageRedirect = function() {
 	return !!(mw.config.get('wgIsRedirect') || document.getElementById('softredirect') || $('.box-Redirect_for_discussion').length);
 };
 
 /**
  * Stores a normalized (underscores converted to spaces) version of the
  * `wgPageName` variable.
  *
  * @type {string}
  */
 Morebits.pageNameNorm = mw.config.get('wgPageName').replace(/_/g, ' ');
 
 
 /**
  * Create a string for use in regex matching a page name.  Accounts for
  * leading character's capitalization, underscores as spaces, and special
  * characters being escaped.  See also {@link Morebits.namespaceRegex}.
  *
  * @param {string} pageName - Page name without namespace.
  * @returns {string} - For a page name `Foo bar`, returns the string `[Ff]oo[_ ]bar`.
  */
 Morebits.pageNameRegex = function(pageName) {
 	if (pageName === '') {
 		return '';
 	}
 	var firstChar = pageName[0],
 		remainder = Morebits.string.escapeRegExp(pageName.slice(1));
 	if (mw.Title.phpCharToUpper(firstChar) !== firstChar.toLowerCase()) {
 		return '[' + mw.Title.phpCharToUpper(firstChar) + firstChar.toLowerCase() + ']' + remainder;
 	}
 	return Morebits.string.escapeRegExp(firstChar) + remainder;
 };
 
 /**
  * Create a string for use in regex matching all namespace aliases, regardless
  * of the capitalization and underscores/spaces.  Doesn't include the optional
  * leading `:`, but if there's more than one item, wraps the list in a
  * non-capturing group.  This means you can do `Morebits.namespaceRegex([4]) +
  * ':' + Morebits.pageNameRegex('Twinkle')` to match a full page.  Uses
  * {@link Morebits.pageNameRegex}.
  *
  * @param {number[]} namespaces - Array of namespace numbers.  Unused/invalid
  * namespace numbers are silently discarded.
  * @example
  * // returns '(?:[Ff][Ii][Ll][Ee]|[Ii][Mm][Aa][Gg][Ee])'
  * Morebits.namespaceRegex([6])
  * @returns {string} - Regex-suitable string of all namespace aliases.
  */
 Morebits.namespaceRegex = function(namespaces) {
 	if (!Array.isArray(namespaces)) {
 		namespaces = [namespaces];
 	}
 	var aliases = [], regex;
 	$.each(mw.config.get('wgNamespaceIds'), function(name, number) {
 		if (namespaces.indexOf(number) !== -1) {
 			// Namespaces are completely agnostic as to case,
 			// and a regex string is more useful/compatibile than a RegExp object,
 			// so we accept any casing for any letter.
 			aliases.push(name.split('').map(function(char) {
 				return Morebits.pageNameRegex(char);
 			}).join(''));
 		}
 	});
 	switch (aliases.length) {
 		case 0:
 			regex = '';
 			break;
 		case 1:
 			regex = aliases[0];
 			break;
 		default:
 			regex = '(?:' + aliases.join('|') + ')';
 			break;
 	}
 	return regex;
 };
 
 
 /* **************** Morebits.quickForm **************** */
 /**
  * Creation of simple and standard forms without much specific coding.
  *
  * @namespace Morebits.quickForm
  * @memberof Morebits
  * @class
  * @param {event} event - Function to execute when form is submitted.
  * @param {string} [eventType=submit] - Type of the event.
  */
 Morebits.quickForm = function QuickForm(event, eventType) {
 	this.root = new Morebits.quickForm.element({ type: 'form', event: event, eventType: eventType });
 };
 
 /**
  * Renders the HTML output of the quickForm.
  *
  * @memberof Morebits.quickForm
  * @returns {HTMLElement}
  */
 Morebits.quickForm.prototype.render = function QuickFormRender() {
 	var ret = this.root.render();
 	ret.names = {};
 	return ret;
 };
 
 /**
  * Append element to the form.
  *
  * @memberof Morebits.quickForm
  * @param {(object|Morebits.quickForm.element)} data - A quickform element, or the object with which
  * a quickform element is constructed.
  * @returns {Morebits.quickForm.element} - Same as what is passed to the function.
  */
 Morebits.quickForm.prototype.append = function QuickFormAppend(data) {
 	return this.root.append(data);
 };
 
 /**
  * Create a new element for the the form.
  *
  * Index to Morebits.quickForm.element types:
  * - Global attributes: id, className, style, tooltip, extra, adminonly
  * - `select`: A combo box (aka drop-down).
  *     - Attributes: name, label, multiple, size, list, event, disabled
  *  - `option`: An element for a combo box.
  *      - Attributes: value, label, selected, disabled
  *  - `optgroup`: A group of &quot;option&quot;s.
  *      - Attributes: label, list
  *  - `field`: A fieldset (aka group box).
  *      - Attributes: name, label, disabled
  *  - `checkbox`: A checkbox. Must use &quot;list&quot; parameter.
  *      - Attributes: name, list, event
  *      - Attributes (within list): name, label, value, checked, disabled, event, subgroup
  *  - `radio`: A radio button. Must use &quot;list&quot; parameter.
  *      - Attributes: name, list, event
  *      - Attributes (within list): name, label, value, checked, disabled, event, subgroup
  *  - `input`: A text box.
  *      - Attributes: name, label, value, size, disabled, required, readonly, maxlength, event
  *  - `dyninput`: A set of text boxes with &quot;Remove&quot; buttons and an &quot;Add&quot; button.
  *      - Attributes: name, label, min, max, sublabel, value, size, maxlength, event
  *  - `hidden`: An invisible form field.
  *      - Attributes: name, value
  *  - `header`: A level 5 header.
  *      - Attributes: label
  *  - `div`: A generic placeholder element or label.
  *      - Attributes: name, label
  *  - `submit`: A submit button. Morebits.simpleWindow moves these to the footer of the dialog.
  *      - Attributes: name, label, disabled
  *  - `button`: A generic button.
  *      - Attributes: name, label, disabled, event
  *  - `textarea`: A big, multi-line text box.
  *      - Attributes: name, label, value, cols, rows, disabled, required, readonly
  *  - `fragment`: A DocumentFragment object.
  *      - No attributes, and no global attributes except adminonly.
  *
  * @memberof Morebits.quickForm
  * @class
  * @param {object} data - Object representing the quickform element. Should
  * specify one of the available types from the index above, as well as any
  * relevant and available attributes.
  * @example new Morebits.quickForm.element({
  *     name: 'target',
  *     type: 'input',
  *     label: 'Your target:',
  *     tooltip: 'Enter your target. Required.',
  *     required: true
  * });
  */
 Morebits.quickForm.element = function QuickFormElement(data) {
 	this.data = data;
 	this.childs = [];
 	this.id = Morebits.quickForm.element.id++;
 };
 
 /**
  * @memberof Morebits.quickForm.element
  * @type {number}
  */
 Morebits.quickForm.element.id = 0;
 
 /**
  * Appends an element to current element.
  *
  * @memberof Morebits.quickForm.element
  * @param {Morebits.quickForm.element} data - A quickForm element or the object required to
  * create the quickForm element.
  * @returns {Morebits.quickForm.element} The same element passed in.
  */
 Morebits.quickForm.element.prototype.append = function QuickFormElementAppend(data) {
 	var child;
 	if (data instanceof Morebits.quickForm.element) {
 		child = data;
 	} else {
 		child = new Morebits.quickForm.element(data);
 	}
 	this.childs.push(child);
 	return child;
 };
 
 /**
  * Renders the HTML output for the quickForm element.  This should be called
  * without parameters: `form.render()`.
  *
  * @memberof Morebits.quickForm.element
  * @returns {HTMLElement}
  */
 Morebits.quickForm.element.prototype.render = function QuickFormElementRender(internal_subgroup_id) {
 	var currentNode = this.compute(this.data, internal_subgroup_id);
 
 	for (var i = 0; i &lt; this.childs.length; ++i) {
 		// do not pass internal_subgroup_id to recursive calls
 		currentNode[1].appendChild(this.childs[i].render());
 	}
 	return currentNode[0];
 };
 
 /** @memberof Morebits.quickForm.element */
 Morebits.quickForm.element.prototype.compute = function QuickFormElementCompute(data, in_id) {
 	var node;
 	var childContainder = null;
 	var label;
 	var id = (in_id ? in_id + '_' : '') + 'node_' + this.id;
 	if (data.adminonly &amp;&amp; !Morebits.userIsSysop) {
 		// hell hack alpha
 		data.type = 'hidden';
 	}
 
 	var i, current, subnode;
 	switch (data.type) {
 		case 'form':
 			node = document.createElement('form');
 			node.className = 'quickform';
 			node.setAttribute('action', 'javascript:void(0);');
 			if (data.event) {
 				node.addEventListener(data.eventType || 'submit', data.event, false);
 			}
 			break;
 		case 'fragment':
 			node = document.createDocumentFragment();
 			// fragments can't have any attributes, so just return it straight away
 			return [ node, node ];
 		case 'select':
 			node = document.createElement('div');
 
 			node.setAttribute('id', 'div_' + id);
 			if (data.label) {
 				label = node.appendChild(document.createElement('label'));
 				label.setAttribute('for', id);
 				label.appendChild(document.createTextNode(data.label));
 			}
 			var select = node.appendChild(document.createElement('select'));
 			if (data.event) {
 				select.addEventListener('change', data.event, false);
 			}
 			if (data.multiple) {
 				select.setAttribute('multiple', 'multiple');
 			}
 			if (data.size) {
 				select.setAttribute('size', data.size);
 			}
 			if (data.disabled) {
 				select.setAttribute('disabled', 'disabled');
 			}
 			select.setAttribute('name', data.name);
 
 			if (data.list) {
 				for (i = 0; i &lt; data.list.length; ++i) {
 
 					current = data.list[i];
 
 					if (current.list) {
 						current.type = 'optgroup';
 					} else {
 						current.type = 'option';
 					}
 
 					subnode = this.compute(current);
 					select.appendChild(subnode[0]);
 				}
 			}
 			childContainder = select;
 			break;
 		case 'option':
 			node = document.createElement('option');
 			node.values = data.value;
 			node.setAttribute('value', data.value);
 			if (data.selected) {
 				node.setAttribute('selected', 'selected');
 			}
 			if (data.disabled) {
 				node.setAttribute('disabled', 'disabled');
 			}
 			node.setAttribute('label', data.label);
 			node.appendChild(document.createTextNode(data.label));
 			break;
 		case 'optgroup':
 			node = document.createElement('optgroup');
 			node.setAttribute('label', data.label);
 
 			if (data.list) {
 				for (i = 0; i &lt; data.list.length; ++i) {
 
 					current = data.list[i];
 					current.type = 'option'; // must be options here
 
 					subnode = this.compute(current);
 					node.appendChild(subnode[0]);
 				}
 			}
 			break;
 		case 'field':
 			node = document.createElement('fieldset');
 			label = node.appendChild(document.createElement('legend'));
 			label.appendChild(document.createTextNode(data.label));
 			if (data.name) {
 				node.setAttribute('name', data.name);
 			}
 			if (data.disabled) {
 				node.setAttribute('disabled', 'disabled');
 			}
 			break;
 		case 'checkbox':
 		case 'radio':
 			node = document.createElement('div');
 			if (data.list) {
 				for (i = 0; i &lt; data.list.length; ++i) {
 					var cur_id = id + '_' + i;
 					current = data.list[i];
 					var cur_div;
 					if (current.type === 'header') {
 					// inline hack
 						cur_div = node.appendChild(document.createElement('h6'));
 						cur_div.appendChild(document.createTextNode(current.label));
 						if (current.tooltip) {
 							Morebits.quickForm.element.generateTooltip(cur_div, current);
 						}
 						continue;
 					}
 					cur_div = node.appendChild(document.createElement('div'));
 					subnode = cur_div.appendChild(document.createElement('input'));
 					subnode.values = current.value;
 					subnode.setAttribute('value', current.value);
 					subnode.setAttribute('type', data.type);
 					subnode.setAttribute('id', cur_id);
 					subnode.setAttribute('name', current.name || data.name);
 
 					// If name is provided on the individual checkbox, add a data-single
 					// attribute which indicates it isn't part of a list of checkboxes with
 					// same name. Used in getInputData()
 					if (current.name) {
 						subnode.setAttribute('data-single', 'data-single');
 					}
 
 					if (current.checked) {
 						subnode.setAttribute('checked', 'checked');
 					}
 					if (current.disabled) {
 						subnode.setAttribute('disabled', 'disabled');
 					}
 					label = cur_div.appendChild(document.createElement('label'));
 					label.appendChild(document.createTextNode(current.label));
 					label.setAttribute('for', cur_id);
 					if (current.tooltip) {
 						Morebits.quickForm.element.generateTooltip(label, current);
 					}
 					// styles go on the label, doesn't make sense to style a checkbox/radio
 					if (current.style) {
 						label.setAttribute('style', current.style);
 					}
 
 					var event;
 					if (current.subgroup) {
 						var tmpgroup = current.subgroup;
 
 						if (!Array.isArray(tmpgroup)) {
 							tmpgroup = [ tmpgroup ];
 						}
 
 						var subgroupRaw = new Morebits.quickForm.element({
 							type: 'div',
 							id: id + '_' + i + '_subgroup'
 						});
 						$.each(tmpgroup, function(idx, el) {
 							var newEl = $.extend({}, el);
 							if (!newEl.type) {
 								newEl.type = data.type;
 							}
 							newEl.name = (current.name || data.name) + '.' + newEl.name;
 							subgroupRaw.append(newEl);
 						});
 
 						var subgroup = subgroupRaw.render(cur_id);
 						subgroup.className = 'quickformSubgroup';
 						subnode.subgroup = subgroup;
 						subnode.shown = false;
 
 						event = function(e) {
 							if (e.target.checked) {
 								e.target.parentNode.appendChild(e.target.subgroup);
 								if (e.target.type === 'radio') {
 									var name = e.target.name;
 									if (e.target.form.names[name] !== undefined) {
 										e.target.form.names[name].parentNode.removeChild(e.target.form.names[name].subgroup);
 									}
 									e.target.form.names[name] = e.target;
 								}
 							} else {
 								e.target.parentNode.removeChild(e.target.subgroup);
 							}
 						};
 						subnode.addEventListener('change', event, true);
 						if (current.checked) {
 							subnode.parentNode.appendChild(subgroup);
 						}
 					} else if (data.type === 'radio') {
 						event = function(e) {
 							if (e.target.checked) {
 								var name = e.target.name;
 								if (e.target.form.names[name] !== undefined) {
 									e.target.form.names[name].parentNode.removeChild(e.target.form.names[name].subgroup);
 								}
 								delete e.target.form.names[name];
 							}
 						};
 						subnode.addEventListener('change', event, true);
 					}
 					// add users' event last, so it can interact with the subgroup
 					if (data.event) {
 						subnode.addEventListener('change', data.event, false);
 					} else if (current.event) {
 						subnode.addEventListener('change', current.event, true);
 					}
 				}
 			}
 			if (data.shiftClickSupport &amp;&amp; data.type === 'checkbox') {
 				Morebits.checkboxShiftClickSupport(Morebits.quickForm.getElements(node, data.name));
 			}
 			break;
 		case 'input':
 			node = document.createElement('div');
 			node.setAttribute('id', 'div_' + id);
 
 			if (data.label) {
 				label = node.appendChild(document.createElement('label'));
 				label.appendChild(document.createTextNode(data.label));
 				label.setAttribute('for', data.id || id);
 			}
 
 			subnode = node.appendChild(document.createElement('input'));
 			if (data.value) {
 				subnode.setAttribute('value', data.value);
 			}
 			subnode.setAttribute('name', data.name);
 			subnode.setAttribute('type', 'text');
 			if (data.size) {
 				subnode.setAttribute('size', data.size);
 			}
 			if (data.disabled) {
 				subnode.setAttribute('disabled', 'disabled');
 			}
 			if (data.required) {
 				subnode.setAttribute('required', 'required');
 			}
 			if (data.readonly) {
 				subnode.setAttribute('readonly', 'readonly');
 			}
 			if (data.maxlength) {
 				subnode.setAttribute('maxlength', data.maxlength);
 			}
 			if (data.event) {
 				subnode.addEventListener('keyup', data.event, false);
 			}
 			childContainder = subnode;
 			break;
 		case 'dyninput':
 			var min = data.min || 1;
 			var max = data.max || Infinity;
 
 			node = document.createElement('div');
 
 			label = node.appendChild(document.createElement('h5'));
 			label.appendChild(document.createTextNode(data.label));
 
 			var listNode = node.appendChild(document.createElement('div'));
 
 			var more = this.compute({
 				type: 'button',
 				label: 'more',
 				disabled: min &gt;= max,
 				event: function(e) {
 					var new_node = new Morebits.quickForm.element(e.target.sublist);
 					e.target.area.appendChild(new_node.render());
 
 					if (++e.target.counter &gt;= e.target.max) {
 						e.target.setAttribute('disabled', 'disabled');
 					}
 					e.stopPropagation();
 				}
 			});
 
 			node.appendChild(more[0]);
 			var moreButton = more[1];
 
 			var sublist = {
 				type: '_dyninput_element',
 				label: data.sublabel || data.label,
 				name: data.name,
 				value: data.value,
 				size: data.size,
 				remove: false,
 				maxlength: data.maxlength,
 				event: data.event
 			};
 
 			for (i = 0; i &lt; min; ++i) {
 				var elem = new Morebits.quickForm.element(sublist);
 				listNode.appendChild(elem.render());
 			}
 			sublist.remove = true;
 			sublist.morebutton = moreButton;
 			sublist.listnode = listNode;
 
 			moreButton.sublist = sublist;
 			moreButton.area = listNode;
 			moreButton.max = max - min;
 			moreButton.counter = 0;
 			break;
 		case '_dyninput_element': // Private, similar to normal input
 			node = document.createElement('div');
 
 			if (data.label) {
 				label = node.appendChild(document.createElement('label'));
 				label.appendChild(document.createTextNode(data.label));
 				label.setAttribute('for', id);
 			}
 
 			subnode = node.appendChild(document.createElement('input'));
 			if (data.value) {
 				subnode.setAttribute('value', data.value);
 			}
 			subnode.setAttribute('name', data.name);
 			subnode.setAttribute('type', 'text');
 			if (data.size) {
 				subnode.setAttribute('size', data.size);
 			}
 			if (data.maxlength) {
 				subnode.setAttribute('maxlength', data.maxlength);
 			}
 			if (data.event) {
 				subnode.addEventListener('keyup', data.event, false);
 			}
 			if (data.remove) {
 				var remove = this.compute({
 					type: 'button',
 					label: 'remove',
 					event: function(e) {
 						var list = e.target.listnode;
 						var node = e.target.inputnode;
 						var more = e.target.morebutton;
 
 						list.removeChild(node);
 						--more.counter;
 						more.removeAttribute('disabled');
 						e.stopPropagation();
 					}
 				});
 				node.appendChild(remove[0]);
 				var removeButton = remove[1];
 				removeButton.inputnode = node;
 				removeButton.listnode = data.listnode;
 				removeButton.morebutton = data.morebutton;
 			}
 			break;
 		case 'hidden':
 			node = document.createElement('input');
 			node.setAttribute('type', 'hidden');
 			node.values = data.value;
 			node.setAttribute('value', data.value);
 			node.setAttribute('name', data.name);
 			break;
 		case 'header':
 			node = document.createElement('h5');
 			node.appendChild(document.createTextNode(data.label));
 			break;
 		case 'div':
 			node = document.createElement('div');
 			if (data.name) {
 				node.setAttribute('name', data.name);
 			}
 			if (data.label) {
 				if (!Array.isArray(data.label)) {
 					data.label = [ data.label ];
 				}
 				var result = document.createElement('span');
 				result.className = 'quickformDescription';
 				for (i = 0; i &lt; data.label.length; ++i) {
 					if (typeof data.label[i] === 'string') {
 						result.appendChild(document.createTextNode(data.label[i]));
 					} else if (data.label[i] instanceof Element) {
 						result.appendChild(data.label[i]);
 					}
 				}
 				node.appendChild(result);
 			}
 			break;
 		case 'submit':
 			node = document.createElement('span');
 			childContainder = node.appendChild(document.createElement('input'));
 			childContainder.setAttribute('type', 'submit');
 			if (data.label) {
 				childContainder.setAttribute('value', data.label);
 			}
 			childContainder.setAttribute('name', data.name || 'submit');
 			if (data.disabled) {
 				childContainder.setAttribute('disabled', 'disabled');
 			}
 			break;
 		case 'button':
 			node = document.createElement('span');
 			childContainder = node.appendChild(document.createElement('input'));
 			childContainder.setAttribute('type', 'button');
 			if (data.label) {
 				childContainder.setAttribute('value', data.label);
 			}
 			childContainder.setAttribute('name', data.name);
 			if (data.disabled) {
 				childContainder.setAttribute('disabled', 'disabled');
 			}
 			if (data.event) {
 				childContainder.addEventListener('click', data.event, false);
 			}
 			break;
 		case 'textarea':
 			node = document.createElement('div');
 			node.setAttribute('id', 'div_' + id);
 			if (data.label) {
 				label = node.appendChild(document.createElement('h5'));
 				var labelElement = document.createElement('label');
 				labelElement.textContent = data.label;
 				labelElement.setAttribute('for', data.id || id);
 				label.appendChild(labelElement);
 			}
 			subnode = node.appendChild(document.createElement('textarea'));
 			subnode.setAttribute('name', data.name);
 			if (data.cols) {
 				subnode.setAttribute('cols', data.cols);
 			}
 			if (data.rows) {
 				subnode.setAttribute('rows', data.rows);
 			}
 			if (data.disabled) {
 				subnode.setAttribute('disabled', 'disabled');
 			}
 			if (data.required) {
 				subnode.setAttribute('required', 'required');
 			}
 			if (data.readonly) {
 				subnode.setAttribute('readonly', 'readonly');
 			}
 			if (data.value) {
 				subnode.value = data.value;
 			}
 			childContainder = subnode;
 			break;
 		default:
 			throw new Error('Morebits.quickForm: unknown element type ' + data.type.toString());
 	}
 
 	if (!childContainder) {
 		childContainder = node;
 	}
 	if (data.tooltip) {
 		Morebits.quickForm.element.generateTooltip(label || node, data);
 	}
 
 	if (data.extra) {
 		childContainder.extra = data.extra;
 	}
 	if (data.style) {
 		childContainder.setAttribute('style', data.style);
 	}
 	if (data.className) {
 		childContainder.className = childContainder.className ?
 			childContainder.className + ' ' + data.className :
 			data.className;
 	}
 	childContainder.setAttribute('id', data.id || id);
 
 	return [ node, childContainder ];
 };
 
 /**
  * Create a jQuery UI-based tooltip.
  *
  * @memberof Morebits.quickForm.element
  * @requires jquery.ui
  * @param {HTMLElement} node - The HTML element beside which a tooltip is to be generated.
  * @param {object} data - Tooltip-related configuration data.
  */
 Morebits.quickForm.element.generateTooltip = function QuickFormElementGenerateTooltip(node, data) {
 	var tooltipButton = node.appendChild(document.createElement('span'));
 	tooltipButton.className = 'morebits-tooltipButton';
 	tooltipButton.title = data.tooltip; // Provides the content for jQuery UI
 	tooltipButton.appendChild(document.createTextNode('?'));
 	$(tooltipButton).tooltip({
 		position: { my: 'left top', at: 'center bottom', collision: 'flipfit' },
 		// Deprecated in UI 1.12, but MW stuck on 1.9.2 indefinitely; see #398 and T71386
 		tooltipClass: 'morebits-ui-tooltip'
 	});
 };
 
 
 // Some utility methods for manipulating quickForms after their creation:
 // (None of these work for &quot;dyninput&quot; type fields at present)
 
 /**
  * Returns an object containing all filled form data entered by the user, with the object
  * keys being the form element names. Disabled fields will be ignored, but not hidden fields.
  *
  * @memberof Morebits.quickForm
  * @param {HTMLFormElement} form
  * @returns {object} With field names as keys, input data as values.
  */
 Morebits.quickForm.getInputData = function(form) {
 	var result = {};
 
 	for (var i = 0; i &lt; form.elements.length; i++) {
 		var field = form.elements[i];
 		if (field.disabled || !field.name || !field.type ||
 			field.type === 'submit' || field.type === 'button') {
 			continue;
 		}
 
 		// For elements in subgroups, quickform prepends element names with
 		// name of the parent group followed by a period, get rid of that.
 		var fieldNameNorm = field.name.slice(field.name.indexOf('.') + 1);
 
 		switch (field.type) {
 			case 'radio':
 				if (field.checked) {
 					result[fieldNameNorm] = field.value;
 				}
 				break;
 			case 'checkbox':
 				if (field.dataset.single) {
 					result[fieldNameNorm] = field.checked; // boolean
 				} else {
 					result[fieldNameNorm] = result[fieldNameNorm] || [];
 					if (field.checked) {
 						result[fieldNameNorm].push(field.value);
 					}
 				}
 				break;
 			case 'select-multiple':
 				result[fieldNameNorm] = $(field).val(); // field.value doesn't work
 				break;
 			case 'text': // falls through
 			case 'textarea':
 				result[fieldNameNorm] = field.value.trim();
 				break;
 			default: // could be select-one, date, number, email, etc
 				if (field.value) {
 					result[fieldNameNorm] = field.value;
 				}
 				break;
 		}
 	}
 	return result;
 };
 
 
 /**
  * Returns all form elements with a given field name or ID.
  *
  * @memberof Morebits.quickForm
  * @param {HTMLFormElement} form
  * @param {string} fieldName - The name or id of the fields.
  * @returns {HTMLElement[]} - Array of matching form elements.
  */
 Morebits.quickForm.getElements = function QuickFormGetElements(form, fieldName) {
 	var $form = $(form);
 	fieldName = $.escapeSelector(fieldName); // sanitize input
 	var $elements = $form.find('[name=&quot;' + fieldName + '&quot;]');
 	if ($elements.length &gt; 0) {
 		return $elements.toArray();
 	}
 	$elements = $form.find('#' + fieldName);
 	return $elements.toArray();
 };
 
 /**
  * Searches the array of elements for a checkbox or radio button with a certain
  * `value` attribute, and returns the first such element. Returns null if not found.
  *
  * @memberof Morebits.quickForm
  * @param {HTMLInputElement[]} elementArray - Array of checkbox or radio elements.
  * @param {string} value - Value to search for.
  * @returns {HTMLInputElement}
  */
 Morebits.quickForm.getCheckboxOrRadio = function QuickFormGetCheckboxOrRadio(elementArray, value) {
 	var found = $.grep(elementArray, function(el) {
 		return el.value === value;
 	});
 	if (found.length &gt; 0) {
 		return found[0];
 	}
 	return null;
 };
 
 /**
  * Returns the &amp;lt;div&gt; containing the form element, or the form element itself
  * May not work as expected on checkboxes or radios.
  *
  * @memberof Morebits.quickForm
  * @param {HTMLElement} element
  * @returns {HTMLElement}
  */
 Morebits.quickForm.getElementContainer = function QuickFormGetElementContainer(element) {
 	// for divs, headings and fieldsets, the container is the element itself
 	if (element instanceof HTMLFieldSetElement || element instanceof HTMLDivElement ||
 			element instanceof HTMLHeadingElement) {
 		return element;
 	}
 
 	// for others, just return the parent node
 	return element.parentNode;
 };
 
 /**
  * Gets the HTML element that contains the label of the given form element
  * (mainly for internal use).
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|Morebits.quickForm.element)} element
  * @returns {HTMLElement}
  */
 Morebits.quickForm.getElementLabelObject = function QuickFormGetElementLabelObject(element) {
 	// for buttons, divs and headers, the label is on the element itself
 	if (element.type === 'button' || element.type === 'submit' ||
 			element instanceof HTMLDivElement || element instanceof HTMLHeadingElement) {
 		return element;
 	// for fieldsets, the label is the child &lt;legend&gt; element
 	} else if (element instanceof HTMLFieldSetElement) {
 		return element.getElementsByTagName('legend')[0];
 	// for textareas, the label is the sibling &lt;h5&gt; element
 	} else if (element instanceof HTMLTextAreaElement) {
 		return element.parentNode.getElementsByTagName('h5')[0];
 	}
 	// for others, the label is the sibling &lt;label&gt; element
 	return element.parentNode.getElementsByTagName('label')[0];
 };
 
 /**
  * Gets the label text of the element.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|Morebits.quickForm.element)} element
  * @returns {string}
  */
 Morebits.quickForm.getElementLabel = function QuickFormGetElementLabel(element) {
 	var labelElement = Morebits.quickForm.getElementLabelObject(element);
 
 	if (!labelElement) {
 		return null;
 	}
 	return labelElement.firstChild.textContent;
 };
 
 /**
  * Sets the label of the element to the given text.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|Morebits.quickForm.element)} element
  * @param {string} labelText
  * @returns {boolean} True if succeeded, false if the label element is unavailable.
  */
 Morebits.quickForm.setElementLabel = function QuickFormSetElementLabel(element, labelText) {
 	var labelElement = Morebits.quickForm.getElementLabelObject(element);
 
 	if (!labelElement) {
 		return false;
 	}
 	labelElement.firstChild.textContent = labelText;
 	return true;
 };
 
 /**
  * Stores the element's current label, and temporarily sets the label to the given text.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|Morebits.quickForm.element)} element
  * @param {string} temporaryLabelText
  * @returns {boolean} `true` if succeeded, `false` if the label element is unavailable.
  */
 Morebits.quickForm.overrideElementLabel = function QuickFormOverrideElementLabel(element, temporaryLabelText) {
 	if (!element.hasAttribute('data-oldlabel')) {
 		element.setAttribute('data-oldlabel', Morebits.quickForm.getElementLabel(element));
 	}
 	return Morebits.quickForm.setElementLabel(element, temporaryLabelText);
 };
 
 /**
  * Restores the label stored by overrideElementLabel.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|Morebits.quickForm.element)} element
  * @returns {boolean} True if succeeded, false if the label element is unavailable.
  */
 Morebits.quickForm.resetElementLabel = function QuickFormResetElementLabel(element) {
 	if (element.hasAttribute('data-oldlabel')) {
 		return Morebits.quickForm.setElementLabel(element, element.getAttribute('data-oldlabel'));
 	}
 	return null;
 };
 
 /**
  * Shows or hides a form element plus its label and tooltip.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|jQuery|string)} element - HTML/jQuery element, or jQuery selector string.
  * @param {boolean} [visibility] - Skip this to toggle visibility.
  */
 Morebits.quickForm.setElementVisibility = function QuickFormSetElementVisibility(element, visibility) {
 	$(element).toggle(visibility);
 };
 
 /**
  * Shows or hides the question mark icon (which displays the tooltip) next to a form element.
  *
  * @memberof Morebits.quickForm
  * @param {(HTMLElement|jQuery)} element
  * @param {boolean} [visibility] - Skip this to toggle visibility.
  */
 Morebits.quickForm.setElementTooltipVisibility = function QuickFormSetElementTooltipVisibility(element, visibility) {
 	$(Morebits.quickForm.getElementContainer(element)).find('.morebits-tooltipButton').toggle(visibility);
 };
 
 
 
 /**
  * @external HTMLFormElement
  */
 /**
  * Get checked items in the form.
  *
  * @function external:HTMLFormElement.getChecked
  * @param {string} name - Find checked property of elements (i.e. a checkbox
  * or a radiobutton) with the given name, or select options that have selected
  * set to true (don't try to mix selects with radio/checkboxes).
  * @param {string} [type] - Optionally specify either radio or checkbox (for
  * the event that both checkboxes and radiobuttons have the same name).
  * @returns {string[]} - Contains the values of elements with the given name
  * checked property set to true.
  */
 HTMLFormElement.prototype.getChecked = function(name, type) {
 	var elements = this.elements[name];
 	if (!elements) {
 		return [];
 	}
 	var return_array = [];
 	var i;
 	if (elements instanceof HTMLSelectElement) {
 		var options = elements.options;
 		for (i = 0; i &lt; options.length; ++i) {
 			if (options[i].selected) {
 				if (options[i].values) {
 					return_array.push(options[i].values);
 				} else {
 					return_array.push(options[i].value);
 				}
 
 			}
 		}
 	} else if (elements instanceof HTMLInputElement) {
 		if (type &amp;&amp; elements.type !== type) {
 			return [];
 		} else if (elements.checked) {
 			return [ elements.value ];
 		}
 	} else {
 		for (i = 0; i &lt; elements.length; ++i) {
 			if (elements[i].checked) {
 				if (type &amp;&amp; elements[i].type !== type) {
 					continue;
 				}
 				if (elements[i].values) {
 					return_array.push(elements[i].values);
 				} else {
 					return_array.push(elements[i].value);
 				}
 			}
 		}
 	}
 	return return_array;
 };
 
 /**
  * Does the same as {@link HTMLFormElement.getChecked|getChecked}, but with unchecked elements.
  *
  * @function external:HTMLFormElement.getUnchecked
  * @param {string} name - Find checked property of elements (i.e. a checkbox
  * or a radiobutton) with the given name, or select options that have selected
  * set to true (don't try to mix selects with radio/checkboxes).
  * @param {string} [type] - Optionally specify either radio or checkbox (for
  * the event that both checkboxes and radiobuttons have the same name).
  * @returns {string[]} - Contains the values of elements with the given name
  * checked property set to true.
  */
 HTMLFormElement.prototype.getUnchecked = function(name, type) {
 	var elements = this.elements[name];
 	if (!elements) {
 		return [];
 	}
 	var return_array = [];
 	var i;
 	if (elements instanceof HTMLSelectElement) {
 		var options = elements.options;
 		for (i = 0; i &lt; options.length; ++i) {
 			if (!options[i].selected) {
 				if (options[i].values) {
 					return_array.push(options[i].values);
 				} else {
 					return_array.push(options[i].value);
 				}
 
 			}
 		}
 	} else if (elements instanceof HTMLInputElement) {
 		if (type &amp;&amp; elements.type !== type) {
 			return [];
 		} else if (!elements.checked) {
 			return [ elements.value ];
 		}
 	} else {
 		for (i = 0; i &lt; elements.length; ++i) {
 			if (!elements[i].checked) {
 				if (type &amp;&amp; elements[i].type !== type) {
 					continue;
 				}
 				if (elements[i].values) {
 					return_array.push(elements[i].values);
 				} else {
 					return_array.push(elements[i].value);
 				}
 			}
 		}
 	}
 	return return_array;
 };
 
 
 /**
  * @external RegExp
  */
 /**
  * Deprecated as of September 2020, use {@link Morebits.string.escapeRegExp}
  * or `mw.util.escapeRegExp`.
  *
  * @function external:RegExp.escape
  * @deprecated Use {@link Morebits.string.escapeRegExp} or `mw.util.escapeRegExp`.
  * @param {string} text - String to be escaped.
  * @param {boolean} [space_fix=false] - Whether to replace spaces and
  * underscores with `[ _]` as they are often equivalent.
  * @returns {string} - The escaped text.
  */
 RegExp.escape = function(text, space_fix) {
 	if (space_fix) {
 		console.error('NOTE: RegExp.escape from Morebits was deprecated September 2020, please replace it with Morebits.string.escapeRegExp'); // eslint-disable-line no-console
 		return Morebits.string.escapeRegExp(text);
 	}
 	console.error('NOTE: RegExp.escape from Morebits was deprecated September 2020, please replace it with mw.util.escapeRegExp'); // eslint-disable-line no-console
 	return mw.util.escapeRegExp(text);
 };
 
 
 /**
  * Helper functions to manipulate strings.
  *
  * @namespace Morebits.string
  * @memberof Morebits
  */
 Morebits.string = {
 	/**
 	 * @param {string} str
 	 * @returns {string}
 	 */
 	toUpperCaseFirstChar: function(str) {
 		str = str.toString();
 		return str.substr(0, 1).toUpperCase() + str.substr(1);
 	},
 	/**
 	 * @param {string} str
 	 * @returns {string}
 	 */
 	toLowerCaseFirstChar: function(str) {
 		str = str.toString();
 		return str.substr(0, 1).toLowerCase() + str.substr(1);
 	},
 
 	/**
 	 * Gives an array of substrings of `str` - starting with `start` and
 	 * ending with `end` - which is not in `skiplist`.  Intended for use
 	 * on wikitext with templates or links.
 	 *
 	 * @param {string} str
 	 * @param {string} start
 	 * @param {string} end
 	 * @param {(string[]|string)} [skiplist]
 	 * @returns {string[]}
 	 * @throws If the `start` and `end` strings aren't of the same length.
 	 * @throws If `skiplist` isn't an array or string
 	 */
 	splitWeightedByKeys: function(str, start, end, skiplist) {
 		if (start.length !== end.length) {
 			throw new Error('start marker and end marker must be of the same length');
 		}
 		var level = 0;
 		var initial = null;
 		var result = [];
 		if (!Array.isArray(skiplist)) {
 			if (skiplist === undefined) {
 				skiplist = [];
 			} else if (typeof skiplist === 'string') {
 				skiplist = [ skiplist ];
 			} else {
 				throw new Error('non-applicable skiplist parameter');
 			}
 		}
 		for (var i = 0; i &lt; str.length; ++i) {
 			for (var j = 0; j &lt; skiplist.length; ++j) {
 				if (str.substr(i, skiplist[j].length) === skiplist[j]) {
 					i += skiplist[j].length - 1;
 					continue;
 				}
 			}
 			if (str.substr(i, start.length) === start) {
 				if (initial === null) {
 					initial = i;
 				}
 				++level;
 				i += start.length - 1;
 			} else if (str.substr(i, end.length) === end) {
 				--level;
 				i += end.length - 1;
 			}
 			if (!level &amp;&amp; initial !== null) {
 				result.push(str.substring(initial, i + 1));
 				initial = null;
 			}
 		}
 
 		return result;
 	},
 
 	/**
 	 * Formats freeform &quot;reason&quot; (from a textarea) for deletion/other
 	 * templates that are going to be substituted, (e.g. PROD, XFD, RPP).
 	 * Handles `|` outside a nowiki tag.
 	 * Optionally, also adds a signature if not present already.
 	 *
 	 * @param {string} str
 	 * @param {boolean} [addSig]
 	 * @returns {string}
 	 */
 	formatReasonText: function(str, addSig) {
 		var reason = (str || '').toString().trim();
 		var unbinder = new Morebits.unbinder(reason);
 		unbinder.unbind('&lt;no' + 'wiki&gt;', '&lt;/no' + 'wiki&gt;');
 		unbinder.content = unbinder.content.replace(/\|/g, '{{subst:!}}');
 		reason = unbinder.rebind();
 		if (addSig) {
 			var sig = '~~~~', sigIndex = reason.lastIndexOf(sig);
 			if (sigIndex === -1 || sigIndex !== reason.length - sig.length) {
 				reason += ' ' + sig;
 			}
 		}
 		return reason.trim();
 	},
 
 	/**
 	 * Formats a &quot;reason&quot; (from a textarea) for inclusion in a userspace
 	 * log.  Replaces newlines with {{Pb}}, and adds an extra `#` before
 	 * list items for proper formatting.
 	 *
 	 * @param {string} str
 	 * @returns {string}
 	 */
 	formatReasonForLog: function(str) {
 		return str
 			// handle line breaks, which otherwise break numbering
 			.replace(/\n+/g, '{{pb}}')
 			// put an extra # in front before bulleted or numbered list items
 			.replace(/^(#+)/mg, '#$1')
 			.replace(/^(\*+)/mg, '#$1');
 	},
 
 	/**
 	 * Like `String.prototype.replace()`, but escapes any dollar signs in
 	 * the replacement string.  Useful when the the replacement string is
 	 * arbitrary, such as a username or freeform user input, and could
 	 * contain dollar signs.
 	 *
 	 * @param {string} string - Text in which to replace.
 	 * @param {(string|RegExp)} pattern
 	 * @param {string} replacement
 	 * @returns {string}
 	 */
 	safeReplace: function morebitsStringSafeReplace(string, pattern, replacement) {
 		return string.replace(pattern, replacement.replace(/\$/g, '$$$$'));
 	},
 
 	/**
 	 * Determine if the user-provided expiration will be considered an
 	 * infinite-length by MW.
 	 *
 	 * @see {@link https://phabricator.wikimedia.org/T68646}
 	 *
 	 * @param {string} expiry
 	 * @returns {boolean}
 	 */
 	isInfinity: function morebitsStringIsInfinity(expiry) {
 		return ['indefinite', 'infinity', 'infinite', 'never'].indexOf(expiry) !== -1;
 	},
 
 	/**
 	 * Escapes a string to be used in a RegExp, replacing spaces and
 	 * underscores with `[_ ]` as they are often equivalent.
 	 * Replaced RegExp.escape September 2020.
 	 *
 	 * @param {string} text - String to be escaped.
 	 * @returns {string} - The escaped text.
 	 */
 	escapeRegExp: function(text) {
 		return mw.util.escapeRegExp(text).replace(/ |_/g, '[_ ]');
 	}
 };
 
 
 /**
  * Helper functions to manipulate arrays.
  *
  * @namespace Morebits.array
  * @memberof Morebits
  */
 Morebits.array = {
 	/**
 	 * Remove duplicated items from an array.
 	 *
 	 * @param {Array} arr
 	 * @returns {Array} A copy of the array with duplicates removed.
 	 * @throws When provided a non-array.
 	 */
 	uniq: function(arr) {
 		if (!Array.isArray(arr)) {
 			throw 'A non-array object passed to Morebits.array.uniq';
 		}
 		return arr.filter(function(item, idx) {
 			return arr.indexOf(item) === idx;
 		});
 	},
 
 	/**
 	 * Remove non-duplicated items from an array.
 	 *
 	 * @param {Array} arr
 	 * @returns {Array} A copy of the array with the first instance of each value
 	 * removed; subsequent instances of those values (duplicates) remain.
 	 * @throws When provided a non-array.
 	 */
 	dups: function(arr) {
 		if (!Array.isArray(arr)) {
 			throw 'A non-array object passed to Morebits.array.dups';
 		}
 		return arr.filter(function(item, idx) {
 			return arr.indexOf(item) !== idx;
 		});
 	},
 
 
 	/**
 	 * Break up an array into smaller arrays.
 	 *
 	 * @param {Array} arr
 	 * @param {number} size - Size of each chunk (except the last, which could be different).
 	 * @returns {Array[]} An array containing the smaller, chunked arrays.
 	 * @throws When provided a non-array.
 	 */
 	chunk: function(arr, size) {
 		if (!Array.isArray(arr)) {
 			throw 'A non-array object passed to Morebits.array.chunk';
 		}
 		if (typeof size !== 'number' || size &lt;= 0) { // pretty impossible to do anything :)
 			return [ arr ]; // we return an array consisting of this array.
 		}
 		var numChunks = Math.ceil(arr.length / size);
 		var result = new Array(numChunks);
 		for (var i = 0; i &lt; numChunks; i++) {
 			result[i] = arr.slice(i * size, (i + 1) * size);
 		}
 		return result;
 	}
 };
 
 /**
  * Utilities to enhance select2 menus. See twinklewarn, twinklexfd,
  * twinkleblock for sample usages.
  *
  * @see {@link https://select2.org/}
  *
  * @namespace Morebits.select2
  * @memberof Morebits
  * @requires jquery.select2
  */
 Morebits.select2 = {
 	matchers: {
 		/**
 		 * Custom matcher in which if the optgroup name matches, all options in that
 		 * group are shown, like in jquery.chosen.
 		 */
 		optgroupFull: function(params, data) {
 			var originalMatcher = $.fn.select2.defaults.defaults.matcher;
 			var result = originalMatcher(params, data);
 
 			if (result &amp;&amp; params.term &amp;&amp;
 				data.text.toUpperCase().indexOf(params.term.toUpperCase()) !== -1) {
 				result.children = data.children;
 			}
 			return result;
 		},
 
 		/** Custom matcher that matches from the beginning of words only. */
 		wordBeginning: function(params, data) {
 			var originalMatcher = $.fn.select2.defaults.defaults.matcher;
 			var result = originalMatcher(params, data);
 			if (!params.term || (result &amp;&amp;
 				new RegExp('\\b' + mw.util.escapeRegExp(params.term), 'i').test(result.text))) {
 				return result;
 			}
 			return null;
 		}
 	},
 
 	/** Underline matched part of options. */
 	highlightSearchMatches: function(data) {
 		var searchTerm = Morebits.select2SearchQuery;
 		if (!searchTerm || data.loading) {
 			return data.text;
 		}
 		var idx = data.text.toUpperCase().indexOf(searchTerm.toUpperCase());
 		if (idx &lt; 0) {
 			return data.text;
 		}
 
 		return $('&lt;span&gt;').append(
 			data.text.slice(0, idx),
 			$('&lt;span&gt;').css('text-decoration', 'underline').text(data.text.slice(idx, idx + searchTerm.length)),
 			data.text.slice(idx + searchTerm.length)
 		);
 	},
 
 	/** Intercept query as it is happening, for use in highlightSearchMatches. */
 	queryInterceptor: function(params) {
 		Morebits.select2SearchQuery = params &amp;&amp; params.term;
 	},
 
 	/**
 	 * Open dropdown and begin search when the `.select2-selection` has
 	 * focus and a key is pressed.
 	 *
 	 * @see {@link https://github.com/select2/select2/issues/3279#issuecomment-442524147}
 	 */
 	autoStart: function(ev) {
 		if (ev.which &lt; 48) {
 			return;
 		}
 		var target = $(ev.target).closest('.select2-container');
 		if (!target.length) {
 			return;
 		}
 		target = target.prev();
 		target.select2('open');
 		var search = target.data('select2').dropdown.$search ||
 			target.data('select2').selection.$search;
 		search.focus();
 	}
 
 };
 
 
 /**
  * Temporarily hide a part of a string while processing the rest of it.
  * Used by {@link Morebits.wikitext.page#commentOutImage|Morebits.wikitext.page.commentOutImage}.
  *
  * @memberof Morebits
  * @class
  * @param {string} string - The initial text to process.
  * @example var u = new Morebits.unbinder('Hello world &lt;!-- world --&gt; world');
  * u.unbind('&lt;!--', '--&gt;'); // text inside comment remains intact
  * u.content = u.content.replace(/world/g, 'earth');
  * u.rebind(); // gives 'Hello earth &lt;!-- world --&gt; earth'
  */
 Morebits.unbinder = function Unbinder(string) {
 	if (typeof string !== 'string') {
 		throw new Error('not a string');
 	}
 	/** The text being processed. */
 	this.content = string;
 	this.counter = 0;
 	this.history = {};
 	this.prefix = '%UNIQ::' + Math.random() + '::';
 	this.postfix = '::UNIQ%';
 };
 
 Morebits.unbinder.prototype = {
 	/**
 	 * Hide the region encapsulated by the `prefix` and `postfix` from
 	 * string processing.  `prefix` and `postfix` will be used in a
 	 * RegExp, so items that need escaping should be use `\\`.
 	 *
 	 * @param {string} prefix
 	 * @param {string} postfix
 	 * @throws If either `prefix` or `postfix` is missing.
 	 */
 	unbind: function UnbinderUnbind(prefix, postfix) {
 		if (!prefix || !postfix) {
 			throw new Error('Both prefix and postfix must be provided');
 		}
 		var re = new RegExp(prefix + '([\\s\\S]*?)' + postfix, 'g');
 		this.content = this.content.replace(re, Morebits.unbinder.getCallback(this));
 	},
 
 	/**
 	 * Restore the hidden portion of the `content` string.
 	 *
 	 * @returns {string} The processed output.
 	 */
 	rebind: function UnbinderRebind() {
 		var content = this.content;
 		content.self = this;
 		for (var current in this.history) {
 			if (Object.prototype.hasOwnProperty.call(this.history, current)) {
 				content = content.replace(current, this.history[current]);
 			}
 		}
 		return content;
 	},
 	prefix: null, // %UNIQ::0.5955981644938324::
 	postfix: null, // ::UNIQ%
 	content: null, // string
 	counter: null, // 0++
 	history: null // {}
 };
 /** @memberof Morebits.unbinder */
 Morebits.unbinder.getCallback = function UnbinderGetCallback(self) {
 	return function UnbinderCallback(match) {
 		var current = self.prefix + self.counter + self.postfix;
 		self.history[current] = match;
 		++self.counter;
 		return current;
 	};
 };
 
 
 
 /* **************** Morebits.date **************** */
 /**
  * Create a date object with enhanced processing capabilities, a la
  * {@link https://momentjs.com/|moment.js}. MediaWiki timestamp format is also
  * acceptable, in addition to everything that JS Date() accepts.
  *
  * @memberof Morebits
  * @class
  */
 Morebits.date = function() {
 	var args = Array.prototype.slice.call(arguments);
 
 	// Check MediaWiki formats
 	// Must be first since firefox erroneously accepts the timestamp
 	// format, sans timezone (See also: #921, #936, #1174, #1187), and the
 	// 14-digit string will be interpreted differently.
 	if (args.length === 1) {
 		var param = args[0];
 		if (/^\d{14}$/.test(param)) {
 			// YYYYMMDDHHmmss
 			var digitMatch = /(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})/.exec(param);
 			if (digitMatch) {
 				// ..... year ... month .. date ... hour .... minute ..... second
 				this._d = new Date(Date.UTC.apply(null, [digitMatch[1], digitMatch[2] - 1, digitMatch[3], digitMatch[4], digitMatch[5], digitMatch[6]]));
 			}
 		} else if (typeof param === 'string') {
 			// Wikitext signature timestamp
 			var dateParts = Morebits.date.localeData.signatureTimestampFormat(param);
 			if (dateParts) {
 				this._d = new Date(Date.UTC.apply(null, dateParts));
 			}
 		}
 	}
 
 	if (!this._d) {
 		// Try standard date
 		this._d = new (Function.prototype.bind.apply(Date, [Date].concat(args)));
 	}
 
 	// Still no?
 	if (!this.isValid()) {
 		mw.log.warn('Invalid Morebits.date initialisation:', args);
 	}
 };
 
 /**
  * Localized strings for date processing.
  *
  * @memberof Morebits.date
  * @type {object.&lt;string, string&gt;}
  * @property {string[]} months
  * @property {string[]} monthsShort
  * @property {string[]} days
  * @property {string[]} daysShort
  * @property {object.&lt;string, string&gt;} relativeTimes
  * @private
  */
 Morebits.date.localeData = {
 	months: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
 	monthsShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
 	days: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
 	daysShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
 	relativeTimes: {
 		thisDay: '[Today at] h:mm A',
 		prevDay: '[Yesterday at] h:mm A',
 		nextDay: '[Tomorrow at] h:mm A',
 		thisWeek: 'dddd [at] h:mm A',
 		pastWeek: '[Last] dddd [at] h:mm A',
 		other: 'YYYY-MM-DD'
 	},
 	signatureTimestampFormat: function (str) {
 		// HH:mm, DD Month YYYY (UTC)
 		var rgx = /(\d{2}):(\d{2}), (\d{1,2}) (\w+) (\d{4}) \(UTC\)/;
 		var match = rgx.exec(str);
 		if (!match) {
 			return null;
 		}
 		var month = Morebits.date.localeData.months.indexOf(match[4]);
 		if (month === -1) {
 			return null;
 		}
 		// ..... year ... month .. date ... hour .... minute
 		return [match[5], month, match[3], match[1], match[2]];
 	}
 };
 
 /**
  * Map units with getter/setter function names, for `add` and `subtract`
  * methods.
  *
  * @memberof Morebits.date
  * @type {object.&lt;string, string&gt;}
  */
 Morebits.date.unitMap = {
 	seconds: 'Seconds',
 	minutes: 'Minutes',
 	hours: 'Hours',
 	days: 'Date',
 	months: 'Month',
 	years: 'FullYear'
 };
 
 Morebits.date.prototype = {
 	/** @returns {boolean} */
 	isValid: function() {
 		return !isNaN(this.getTime());
 	},
 
 	/**
 	 * @param {(Date|Morebits.date)} date
 	 * @returns {boolean}
 	 */
 	isBefore: function(date) {
 		return this.getTime() &lt; date.getTime();
 	},
 	/**
 	 * @param {(Date|Morebits.date)} date
 	 * @returns {boolean}
 	 */
 	isAfter: function(date) {
 		return this.getTime() &gt; date.getTime();
 	},
 
 	/** @returns {string} */
 	getUTCMonthName: function() {
 		return Morebits.date.localeData.months[this.getUTCMonth()];
 	},
 	/** @returns {string} */
 	getUTCMonthNameAbbrev: function() {
 		return Morebits.date.localeData.monthsShort[this.getUTCMonth()];
 	},
 	/** @returns {string} */
 	getMonthName: function() {
 		return Morebits.date.localeData.months[this.getMonth()];
 	},
 	/** @returns {string} */
 	getMonthNameAbbrev: function() {
 		return Morebits.date.localeData.monthsShort[this.getMonth()];
 	},
 	/** @returns {string} */
 	getUTCDayName: function() {
 		return Morebits.date.localeData.days[this.getUTCDay()];
 	},
 	/** @returns {string} */
 	getUTCDayNameAbbrev: function() {
 		return Morebits.date.localeData.daysShort[this.getUTCDay()];
 	},
 	/** @returns {string} */
 	getDayName: function() {
 		return Morebits.date.localeData.days[this.getDay()];
 	},
 	/** @returns {string} */
 	getDayNameAbbrev: function() {
 		return Morebits.date.localeData.daysShort[this.getDay()];
 	},
 
 	/**
 	 * Add a given number of minutes, hours, days, months or years to the date.
 	 * This is done in-place. The modified date object is also returned, allowing chaining.
 	 *
 	 * @param {number} number - Should be an integer.
 	 * @param {string} unit
 	 * @throws If invalid or unsupported unit is given.
 	 * @returns {Morebits.date}
 	 */
 	add: function(number, unit) {
 		unit = unit.toLowerCase(); // normalize
 		var unitMap = Morebits.date.unitMap;
 		var unitNorm = unitMap[unit] || unitMap[unit + 's']; // so that both singular and  plural forms work
 		if (unitNorm) {
 			this['set' + unitNorm](this['get' + unitNorm]() + number);
 			return this;
 		}
 		throw new Error('Invalid unit &quot;' + unit + '&quot;: Only ' + Object.keys(unitMap).join(', ') + ' are allowed.');
 	},
 
 	/**
 	 * Subtracts a given number of minutes, hours, days, months or years to the date.
 	 * This is done in-place. The modified date object is also returned, allowing chaining.
 	 *
 	 * @param {number} number - Should be an integer.
 	 * @param {string} unit
 	 * @throws If invalid or unsupported unit is given.
 	 * @returns {Morebits.date}
 	 */
 	subtract: function(number, unit) {
 		return this.add(-number, unit);
 	},
 
 	/**
 	 * Format the date into a string per the given format string.
 	 * Replacement syntax is a subset of that in moment.js:
 	 *
 	 * | Syntax | Output |
 	 * |--------|--------|
 	 * | H | Hours (24-hour) |
 	 * | HH | Hours (24-hour, padded) |
 	 * | h | Hours (12-hour) |
 	 * | hh | Hours (12-hour, padded) |
 	 * | A | AM or PM |
 	 * | m | Minutes |
 	 * | mm | Minutes (padded) |
 	 * | s | Seconds |
 	 * | ss | Seconds (padded) |
 	 * | SSS | Milliseconds fragment, padded |
 	 * | d | Day number of the week (Sun=0) |
 	 * | ddd | Abbreviated day name |
 	 * | dddd | Full day name |
 	 * | D | Date |
 	 * | DD | Date (padded) |
 	 * | M | Month number (0-indexed) |
 	 * | MM | Month number (0-indexed, padded) |
 	 * | MMM | Abbreviated month name |
 	 * | MMMM | Full month name |
 	 * | Y | Year |
 	 * | YY | Final two digits of year (20 for 2020, 42 for 1942) |
 	 * | YYYY | Year (same as `Y`) |
 	 *
 	 * @param {string} formatstr - Format the date into a string, using
 	 * the replacement syntax.  Use `[` and `]` to escape items.  If not
 	 * provided, will return the ISO-8601-formatted string.
 	 * @param {(string|number)} [zone=system] - `system` (for browser-default time zone),
 	 * `utc`, or specify a time zone as number of minutes relative to UTC.
 	 * @returns {string}
 	 */
 	format: function(formatstr, zone) {
 		if (!this.isValid()) {
 			return 'Invalid date'; // Put the truth out, preferable to &quot;NaNNaNNan NaN:NaN&quot; or whatever
 		}
 		var udate = this;
 		// create a new date object that will contain the date to display as system time
 		if (zone === 'utc') {
 			udate = new Morebits.date(this.getTime()).add(this.getTimezoneOffset(), 'minutes');
 		} else if (typeof zone === 'number') {
 			// convert to utc, then add the utc offset given
 			udate = new Morebits.date(this.getTime()).add(this.getTimezoneOffset() + zone, 'minutes');
 		}
 
 		// default to ISOString
 		if (!formatstr) {
 			return udate.toISOString();
 		}
 
 		var pad = function(num, len) {
 			len = len || 2; // Up to length of 00 + 1
 			return ('00' + num).toString().slice(0 - len);
 		};
 		var h24 = udate.getHours(), m = udate.getMinutes(), s = udate.getSeconds(), ms = udate.getMilliseconds();
 		var D = udate.getDate(), M = udate.getMonth() + 1, Y = udate.getFullYear();
 		var h12 = h24 % 12 || 12, amOrPm = h24 &gt;= 12 ? 'PM' : 'AM';
 		var replacementMap = {
 			HH: pad(h24), H: h24, hh: pad(h12), h: h12, A: amOrPm,
 			mm: pad(m), m: m,
 			ss: pad(s), s: s,
 			SSS: pad(ms, 3),
 			dddd: udate.getDayName(), ddd: udate.getDayNameAbbrev(), d: udate.getDay(),
 			DD: pad(D), D: D,
 			MMMM: udate.getMonthName(), MMM: udate.getMonthNameAbbrev(), MM: pad(M), M: M,
 			YYYY: Y, YY: pad(Y % 100), Y: Y
 		};
 
 		var unbinder = new Morebits.unbinder(formatstr); // escape stuff between [...]
 		unbinder.unbind('\\[', '\\]');
 		unbinder.content = unbinder.content.replace(
 			/* Regex notes:
 			 * d(d{2,3})? matches exactly 1, 3 or 4 occurrences of 'd' ('dd' is treated as a double match of 'd')
 			 * Y{1,2}(Y{2})? matches exactly 1, 2 or 4 occurrences of 'Y'
 			 */
 			/H{1,2}|h{1,2}|m{1,2}|s{1,2}|SSS|d(d{2,3})?|D{1,2}|M{1,4}|Y{1,2}(Y{2})?|A/g,
 			function(match) {
 				return replacementMap[match];
 			}
 		);
 		return unbinder.rebind().replace(/\[(.*?)\]/g, '$1');
 	},
 
 	/**
 	 * Gives a readable relative time string such as &quot;Yesterday at 6:43 PM&quot; or &quot;Last Thursday at 11:45 AM&quot;.
 	 * Similar to `calendar` in moment.js, but with time zone support.
 	 *
 	 * @param {(string|number)} [zone=system] - 'system' (for browser-default time zone),
 	 * 'utc' (for UTC), or specify a time zone as number of minutes past UTC.
 	 * @returns {string}
 	 */
 	calendar: function(zone) {
 		// Zero out the hours, minutes, seconds and milliseconds - keeping only the date;
 		// find the difference. Note that setHours() returns the same thing as getTime().
 		var dateDiff = (new Date().setHours(0, 0, 0, 0) -
 			new Date(this).setHours(0, 0, 0, 0)) / 8.64e7;
 		switch (true) {
 			case dateDiff === 0:
 				return this.format(Morebits.date.localeData.relativeTimes.thisDay, zone);
 			case dateDiff === 1:
 				return this.format(Morebits.date.localeData.relativeTimes.prevDay, zone);
 			case dateDiff &gt; 0 &amp;&amp; dateDiff &lt; 7:
 				return this.format(Morebits.date.localeData.relativeTimes.pastWeek, zone);
 			case dateDiff === -1:
 				return this.format(Morebits.date.localeData.relativeTimes.nextDay, zone);
 			case dateDiff &lt; 0 &amp;&amp; dateDiff &gt; -7:
 				return this.format(Morebits.date.localeData.relativeTimes.thisWeek, zone);
 			default:
 				return this.format(Morebits.date.localeData.relativeTimes.other, zone);
 		}
 	},
 
 	/**
 	 * Get a regular expression that matches wikitext section titles, such
 	 * as `==December 2019==` or `=== Jan 2018 ===`.
 	 *
 	 * @returns {RegExp}
 	 */
 	monthHeaderRegex: function() {
 		return new RegExp('^(==+)\\s*(?:' + this.getUTCMonthName() + '|' + this.getUTCMonthNameAbbrev() +
 			')\\s+' + this.getUTCFullYear() + '\\s*\\1', 'mg');
 	},
 
 	/**
 	 * Creates a wikitext section header with the month and year.
 	 *
 	 * @param {number} [level=2] - Header level.  Pass 0 for just the text
 	 * with no wikitext markers (==).
 	 * @returns {string}
 	 */
 	monthHeader: function(level) {
 		// Default to 2, but allow for 0 or stringy numbers
 		level = parseInt(level, 10);
 		level = isNaN(level) ? 2 : level;
 
 		var header = Array(level + 1).join('='); // String.prototype.repeat not supported in IE 11
 		var text = this.getUTCMonthName() + ' ' + this.getUTCFullYear();
 
 		if (header.length) { // wikitext-formatted header
 			return header + ' ' + text + ' ' + header;
 		}
 		return text; // Just the string
 
 	}
 
 };
 
 // Allow native Date.prototype methods to be used on Morebits.date objects
 Object.getOwnPropertyNames(Date.prototype).forEach(function(func) {
 	// Exclude methods that collide with PageTriage's Date.js external, which clobbers native Date: [[phab:T268513]]
 	if (['add', 'getDayName', 'getMonthName'].indexOf(func) === -1) {
 		Morebits.date.prototype[func] = function() {
 			return this._d[func].apply(this._d, Array.prototype.slice.call(arguments));
 		};
 	}
 });
 
 
 /* **************** Morebits.wiki **************** */
 /**
  * Various objects for wiki editing and API access, including
  * {@link Morebits.wiki.api} and {@link Morebits.wiki.page}.
  *
  * @namespace Morebits.wiki
  * @memberof Morebits
  */
 Morebits.wiki = {};
 
 /**
  * @deprecated in favor of Morebits.isPageRedirect as of November 2020
  * @memberof Morebits.wiki
  * @returns {boolean}
  */
 Morebits.wiki.isPageRedirect = function wikipediaIsPageRedirect() {
 	console.warn('NOTE: Morebits.wiki.isPageRedirect has been deprecated, use Morebits.isPageRedirect instead.'); // eslint-disable-line no-console
 	return Morebits.isPageRedirect();
 };
 
 
 /* **************** Morebits.wiki.actionCompleted **************** */
 /**
  * @memberof Morebits.wiki
  * @type {number}
  */
 Morebits.wiki.numberOfActionsLeft = 0;
 /**
  * @memberof Morebits.wiki
  * @type {number}
  */
 Morebits.wiki.nbrOfCheckpointsLeft = 0;
 
 /**
  * Display message and/or redirect to page upon completion of tasks.
  *
  * Every call to Morebits.wiki.api.post() results in the dispatch of an
  * asynchronous callback. Each callback can in turn make an additional call to
  * Morebits.wiki.api.post() to continue a processing sequence. At the
  * conclusion of the final callback of a processing sequence, it is not
  * possible to simply return to the original caller because there is no call
  * stack leading back to the original context. Instead,
  * Morebits.wiki.actionCompleted.event() is called to display the result to
  * the user and to perform an optional page redirect.
  *
  * The determination of when to call Morebits.wiki.actionCompleted.event() is
  * managed through the globals Morebits.wiki.numberOfActionsLeft and
  * Morebits.wiki.nbrOfCheckpointsLeft. Morebits.wiki.numberOfActionsLeft is
  * incremented at the start of every Morebits.wiki.api call and decremented
  * after the completion of a callback function. If a callback function does
  * not create a new Morebits.wiki.api object before exiting, it is the final
  * step in the processing chain and Morebits.wiki.actionCompleted.event() will
  * then be called.
  *
  * Optionally, callers may use Morebits.wiki.addCheckpoint() to indicate that
  * processing is not complete upon the conclusion of the final callback
  * function.  This is used for batch operations. The end of a batch is
  * signaled by calling Morebits.wiki.removeCheckpoint().
  *
  * @memberof Morebits.wiki
  */
 Morebits.wiki.actionCompleted = function(self) {
 	if (--Morebits.wiki.numberOfActionsLeft &lt;= 0 &amp;&amp; Morebits.wiki.nbrOfCheckpointsLeft &lt;= 0) {
 		Morebits.wiki.actionCompleted.event(self);
 	}
 };
 
 // Change per action wanted
 /** @memberof Morebits.wiki */
 Morebits.wiki.actionCompleted.event = function() {
 	if (Morebits.wiki.actionCompleted.notice) {
 		Morebits.status.actionCompleted(Morebits.wiki.actionCompleted.notice);
 	}
 	if (Morebits.wiki.actionCompleted.redirect) {
 		// if it isn't a URL, make it one. TODO: This breaks on the articles 'http://', 'ftp://', and similar ones.
 		if (!(/^\w+:\/\//).test(Morebits.wiki.actionCompleted.redirect)) {
 			Morebits.wiki.actionCompleted.redirect = mw.util.getUrl(Morebits.wiki.actionCompleted.redirect);
 			if (Morebits.wiki.actionCompleted.followRedirect === false) {
 				Morebits.wiki.actionCompleted.redirect += '?redirect=no';
 			}
 		}
 		window.setTimeout(function() {
 			window.location = Morebits.wiki.actionCompleted.redirect;
 		}, Morebits.wiki.actionCompleted.timeOut);
 	}
 };
 
 /** @memberof Morebits.wiki */
 Morebits.wiki.actionCompleted.timeOut = typeof window.wpActionCompletedTimeOut === 'undefined' ? 5000 : window.wpActionCompletedTimeOut;
 /** @memberof Morebits.wiki */
 Morebits.wiki.actionCompleted.redirect = null;
 /** @memberof Morebits.wiki */
 Morebits.wiki.actionCompleted.notice = null;
 
 /** @memberof Morebits.wiki */
 Morebits.wiki.addCheckpoint = function() {
 	++Morebits.wiki.nbrOfCheckpointsLeft;
 };
 
 /** @memberof Morebits.wiki */
 Morebits.wiki.removeCheckpoint = function() {
 	if (--Morebits.wiki.nbrOfCheckpointsLeft &lt;= 0 &amp;&amp; Morebits.wiki.numberOfActionsLeft &lt;= 0) {
 		Morebits.wiki.actionCompleted.event();
 	}
 };
 
 
 /* **************** Morebits.wiki.api **************** */
 /**
  * An easy way to talk to the MediaWiki API.  Accepts either json or xml
  * (default) formats; if json is selected, will default to `formatversion=2`
  * unless otherwise specified.  Similarly, enforces newer `errorformat`s,
  * defaulting to `html` if unspecified.  `uselang` enforced to the wiki's
  * content language.
  *
  * In new code, the use of the last 3 parameters should be avoided, instead
  * use {@link Morebits.wiki.api#setStatusElement|setStatusElement()} to bind
  * the status element (if needed) and use `.then()` or `.catch()` on the
  * promise returned by `post()`, rather than specify the `onSuccess` or
  * `onFailure` callbacks.
  *
  * @memberof Morebits.wiki
  * @class
  * @param {string} currentAction - The current action (required).
  * @param {object} query - The query (required).
  * @param {Function} [onSuccess] - The function to call when request is successful.
  * @param {Morebits.status} [statusElement] - A Morebits.status object to use for status messages.
  * @param {Function} [onError] - The function to call if an error occurs.
  */
 Morebits.wiki.api = function(currentAction, query, onSuccess, statusElement, onError) {
 	this.currentAction = currentAction;
 	this.query = query;
 	this.query.assert = 'user';
 	// Enforce newer error formats, preferring html
 	if (!query.errorformat || ['wikitext', 'plaintext'].indexOf(query.errorformat) === -1) {
 		this.query.errorformat = 'html';
 	}
 	// Explicitly use the wiki's content language to minimize confusion,
 	// see #1179 for discussion
 	this.query.uselang = 'content';
 	this.query.errorlang = 'uselang';
 	this.query.errorsuselocal = 1;
 
 	this.onSuccess = onSuccess;
 	this.onError = onError;
 	if (statusElement) {
 		this.setStatusElement(statusElement);
 	} else {
 		this.statelem = new Morebits.status(currentAction);
 	}
 	// JSON is used throughout Morebits/Twinkle, but xml remains the default for backwards compatibility
 	if (!query.format) {
 		this.query.format = 'xml';
 	} else if (query.format === 'json' &amp;&amp; !query.formatversion) {
 		this.query.formatversion = '2';
 	} else if (['xml', 'json'].indexOf(query.format) === -1) {
 		this.statelem.error('Invalid API format: only xml and json are supported.');
 	}
 
 	// Ignore tags for queries and most common unsupported actions, produces warnings
 	if (query.action &amp;&amp; ['query', 'review', 'stabilize', 'pagetriageaction', 'watch'].indexOf(query.action) !== -1) {
 		delete query.tags;
 	} else if (!query.tags &amp;&amp; morebitsWikiChangeTag) {
 		query.tags = morebitsWikiChangeTag;
 	}
 };
 
 Morebits.wiki.api.prototype = {
 	currentAction: '',
 	onSuccess: null,
 	onError: null,
 	parent: window,  // use global context if there is no parent object
 	query: null,
 	response: null,
 	responseXML: null,  // use `response` instead; retained for backwards compatibility
 	statelem: null,  // this non-standard name kept for backwards compatibility
 	statusText: null, // result received from the API, normally &quot;success&quot; or &quot;error&quot;
 	errorCode: null, // short text error code, if any, as documented in the MediaWiki API
 	errorText: null, // full error description, if any
 	badtokenRetry: false, // set to true if this on a retry attempted after a badtoken error
 
 	/**
 	 * Keep track of parent object for callbacks.
 	 *
 	 * @param {*} parent
 	 */
 	setParent: function(parent) {
 		this.parent = parent;
 	},
 
 	/** @param {Morebits.status} statusElement */
 	setStatusElement: function(statusElement) {
 		this.statelem = statusElement;
 		this.statelem.status(this.currentAction);
 	},
 
 	/**
 	 * Carry out the request.
 	 *
 	 * @param {object} callerAjaxParameters - Do not specify a parameter unless you really
 	 * really want to give jQuery some extra parameters.
 	 * @returns {promise} - A jQuery promise object that is resolved or rejected with the api object.
 	 */
 	post: function(callerAjaxParameters) {
 
 		++Morebits.wiki.numberOfActionsLeft;
 
 		var queryString = $.map(this.query, function(val, i) {
 			if (Array.isArray(val)) {
 				return encodeURIComponent(i) + '=' + val.map(encodeURIComponent).join('|');
 			} else if (val !== undefined) {
 				return encodeURIComponent(i) + '=' + encodeURIComponent(val);
 			}
 		}).join('&amp;').replace(/^(.*?)(\btoken=[^&amp;]*)&amp;(.*)/, '$1$3&amp;$2');
 		// token should always be the last item in the query string (bug TW-B-0013)
 
 		var ajaxparams = $.extend({}, {
 			context: this,
 			type: this.query.action === 'query' ? 'GET' : 'POST',
 			url: mw.util.wikiScript('api'),
 			data: queryString,
 			dataType: this.query.format,
 			headers: {
 				'Api-User-Agent': morebitsWikiApiUserAgent
 			}
 		}, callerAjaxParameters);
 
 		return $.ajax(ajaxparams).then(
 
 			function onAPIsuccess(response, statusText) {
 				this.statusText = statusText;
 				this.response = this.responseXML = response;
 				// Limit to first error
 				if (this.query.format === 'json') {
 					this.errorCode = response.errors &amp;&amp; response.errors[0].code;
 					if (this.query.errorformat === 'html') {
 						this.errorText = response.errors &amp;&amp; response.errors[0].html;
 					} else if (this.query.errorformat === 'wikitext' || this.query.errorformat === 'plaintext') {
 						this.errorText = response.errors &amp;&amp; response.errors[0].text;
 					}
 				} else {
 					this.errorCode = $(response).find('errors error').eq(0).attr('code');
 					// Sufficient for html, wikitext, or plaintext errorformats
 					this.errorText = $(response).find('errors error').eq(0).text();
 				}
 
 				if (typeof this.errorCode === 'string') {
 					// the API didn't like what we told it, e.g., bad edit token or an error creating a page
 					return this.returnError(callerAjaxParameters);
 				}
 
 				// invoke success callback if one was supplied
 				if (this.onSuccess) {
 					// set the callback context to this.parent for new code and supply the API object
 					// as the first argument to the callback (for legacy code)
 					this.onSuccess.call(this.parent, this);
 				} else {
 					this.statelem.info('done');
 				}
 
 				Morebits.wiki.actionCompleted();
 
 				return $.Deferred().resolveWith(this.parent, [this]);
 			},
 
 			// only network and server errors reach here - complaints from the API itself are caught in success()
 			function onAPIfailure(jqXHR, statusText, errorThrown) {
 				this.statusText = statusText;
 				this.errorThrown = errorThrown; // frequently undefined
 				this.errorText = statusText + ' &quot;' + jqXHR.statusText + '&quot; occurred while contacting the API.';
 				return this.returnError();
 			}
 
 		);
 	},
 
 	returnError: function(callerAjaxParameters) {
 		if (this.errorCode === 'badtoken' &amp;&amp; !this.badtokenRetry) {
 			this.statelem.warn('Invalid token. Getting a new token and retrying...');
 			this.badtokenRetry = true;
 			// Get a new CSRF token and retry. If the original action needs a different
 			// type of action than CSRF, we do one pointless retry before bailing out
 			return Morebits.wiki.api.getToken().then(function(token) {
 				this.query.token = token;
 				return this.post(callerAjaxParameters);
 			}.bind(this));
 		}
 
 		this.statelem.error(this.errorText + ' (' + this.errorCode + ')');
 
 		// invoke failure callback if one was supplied
 		if (this.onError) {
 
 			// set the callback context to this.parent for new code and supply the API object
 			// as the first argument to the callback for legacy code
 			this.onError.call(this.parent, this);
 		}
 		// don't complete the action so that the error remains displayed
 
 		return $.Deferred().rejectWith(this.parent, [this]);
 	},
 
 	getStatusElement: function() {
 		return this.statelem;
 	},
 
 	getErrorCode: function() {
 		return this.errorCode;
 	},
 
 	getErrorText: function() {
 		return this.errorText;
 	},
 
 	getXML: function() { // retained for backwards compatibility, use getResponse() instead
 		return this.responseXML;
 	},
 
 	getResponse: function() {
 		return this.response;
 	}
 
 };
 
 var morebitsWikiApiUserAgent = 'morebits.js ([[w:WT:TW]])';
 /**
  * Set the custom user agent header, which is used for server-side logging.
  * Note that doing so will set the useragent for every `Morebits.wiki.api`
  * process performed thereafter.
  *
  * @see {@link https://lists.wikimedia.org/pipermail/mediawiki-api-announce/2014-November/000075.html}
  * for original announcement.
  *
  * @memberof Morebits.wiki.api
  * @param {string} [ua=morebits.js ([[w:WT:TW]])] - User agent.  The default
  * value of `morebits.js ([[w:WT:TW]])` will be appended to any provided
  * value.
  */
 Morebits.wiki.api.setApiUserAgent = function(ua) {
 	morebitsWikiApiUserAgent = (ua ? ua + ' ' : '') + 'morebits.js ([[w:WT:TW]])';
 };
 
 
 
 /**
  * Change/revision tag applied to Morebits actions when no other tags are specified.
  * Unused by default per {@link https://en.wikipedia.org/w/index.php?oldid=970618849#Adding_tags_to_Twinkle_edits_and_actions|EnWiki consensus}.
  *
  * @constant
  * @memberof Morebits.wiki.api
  * @type {string}
  */
 var morebitsWikiChangeTag = '';
 
 
 /**
  * Get a new CSRF token on encountering token errors.
  *
  * @memberof Morebits.wiki.api
  * @returns {string} MediaWiki CSRF token.
  */
 Morebits.wiki.api.getToken = function() {
 	var tokenApi = new Morebits.wiki.api('Getting token', {
 		action: 'query',
 		meta: 'tokens',
 		type: 'csrf',
 		format: 'json'
 	});
 	return tokenApi.post().then(function(apiobj) {
 		return apiobj.response.query.tokens.csrftoken;
 	});
 };
 
 
 /* **************** Morebits.wiki.page **************** */
 /**
  * Use the MediaWiki API to load a page and optionally edit it, move it, etc.
  *
  * Callers are not permitted to directly access the properties of this class!
  * All property access is through the appropriate get___() or set___() method.
  *
  * Callers should set {@link Morebits.wiki.actionCompleted.notice} and {@link Morebits.wiki.actionCompleted.redirect}
  * before the first call to {@link Morebits.wiki.page.load()}.
  *
  * Each of the callback functions takes one parameter, which is a
  * reference to the Morebits.wiki.page object that registered the callback.
  * Callback functions may invoke any Morebits.wiki.page prototype method using this reference.
  *
  *
  * Call sequence for common operations (optional final user callbacks not shown):
  *
  * - Edit current contents of a page (no edit conflict):
  * `.load(userTextEditCallback) -&gt; ctx.loadApi.post() -&gt;
  * ctx.loadApi.post.success() -&gt; ctx.fnLoadSuccess() -&gt; userTextEditCallback() -&gt;
  * .save() -&gt; ctx.saveApi.post() -&gt; ctx.loadApi.post.success() -&gt; ctx.fnSaveSuccess()`
  *
  * - Edit current contents of a page (with edit conflict):
  * `.load(userTextEditCallback) -&gt; ctx.loadApi.post() -&gt;
  * ctx.loadApi.post.success() -&gt; ctx.fnLoadSuccess() -&gt; userTextEditCallback() -&gt;
  * .save() -&gt; ctx.saveApi.post() -&gt; ctx.loadApi.post.success() -&gt;
  * ctx.fnSaveError() -&gt; ctx.loadApi.post() -&gt; ctx.loadApi.post.success() -&gt;
  * ctx.fnLoadSuccess() -&gt; userTextEditCallback() -&gt; .save() -&gt;
  * ctx.saveApi.post() -&gt; ctx.loadApi.post.success() -&gt; ctx.fnSaveSuccess()`
  *
  * - Append to a page (similar for prepend and newSection):
  * `.append() -&gt; ctx.loadApi.post() -&gt; ctx.loadApi.post.success() -&gt;
  * ctx.fnLoadSuccess() -&gt; ctx.fnAutoSave() -&gt; .save() -&gt; ctx.saveApi.post() -&gt;
  * ctx.loadApi.post.success() -&gt; ctx.fnSaveSuccess()`
  *
  * Notes:
  * 1. All functions following Morebits.wiki.api.post() are invoked asynchronously from the jQuery AJAX library.
  * 2. The sequence for append/prepend/newSection could be slightly shortened,
  * but it would require significant duplication of code for little benefit.
  *
  *
  * @memberof Morebits.wiki
  * @class
  * @param {string} pageName - The name of the page, prefixed by the namespace (if any).
  * For the current page, use `mw.config.get('wgPageName')`.
  * @param {string|Morebits.status} [status] - A string describing the action about to be undertaken,
  * or a Morebits.status object
  */
 Morebits.wiki.page = function(pageName, status) {
 
 	if (!status) {
 		status = 'Opening page &quot;' + pageName + '&quot;';
 	}
 
 	/**
 	 * Private context variables.
 	 *
 	 * This context is not visible to the outside, thus all the data here
 	 * must be accessed via getter and setter functions.
 	 *
 	 * @private
 	 */
 	var ctx = {
 		// backing fields for public properties
 		pageName: pageName,
 		pageExists: false,
 		editSummary: null,
 		changeTags: null,
 		testActions: null,  // array if any valid actions
 		callbackParameters: null,
 		statusElement: status instanceof Morebits.status ? status : new Morebits.status(status),
 
 		// - edit
 		pageText: null,
 		editMode: 'all',  // save() replaces entire contents of the page by default
 		appendText: null,   // can't reuse pageText for this because pageText is needed to follow a redirect
 		prependText: null,  // can't reuse pageText for this because pageText is needed to follow a redirect
 		newSectionText: null,
 		newSectionTitle: null,
 		createOption: null,
 		minorEdit: false,
 		botEdit: false,
 		pageSection: null,
 		maxConflictRetries: 2,
 		maxRetries: 2,
 		followRedirect: false,
 		followCrossNsRedirect: true,
 		watchlistOption: 'nochange',
 		watchlistExpiry: null,
 		creator: null,
 		timestamp: null,
 
 		// - revert
 		revertOldID: null,
 
 		// - move
 		moveDestination: null,
 		moveTalkPage: false,
 		moveSubpages: false,
 		moveSuppressRedirect: false,
 
 		// - protect
 		protectEdit: null,
 		protectMove: null,
 		protectCreate: null,
 		protectCascade: null,
 
 		// - creation lookup
 		lookupNonRedirectCreator: false,
 
 		// - stabilize (FlaggedRevs)
 		flaggedRevs: null,
 
 		// internal status
 		pageLoaded: false,
 		csrfToken: null,
 		loadTime: null,
 		lastEditTime: null,
 		pageID: null,
 		contentModel: null,
 		revertCurID: null,
 		revertUser: null,
 		watched: false,
 		fullyProtected: false,
 		suppressProtectWarning: false,
 		conflictRetries: 0,
 		retries: 0,
 
 		// callbacks
 		onLoadSuccess: null,
 		onLoadFailure: null,
 		onSaveSuccess: null,
 		onSaveFailure: null,
 		onLookupCreationSuccess: null,
 		onMoveSuccess: null,
 		onMoveFailure: null,
 		onDeleteSuccess: null,
 		onDeleteFailure: null,
 		onUndeleteSuccess: null,
 		onUndeleteFailure: null,
 		onProtectSuccess: null,
 		onProtectFailure: null,
 		onStabilizeSuccess: null,
 		onStabilizeFailure: null,
 
 		// internal objects
 		loadQuery: null,
 		loadApi: null,
 		saveApi: null,
 		lookupCreationApi: null,
 		moveApi: null,
 		moveProcessApi: null,
 		patrolApi: null,
 		patrolProcessApi: null,
 		triageApi: null,
 		triageProcessListApi: null,
 		triageProcessApi: null,
 		deleteApi: null,
 		deleteProcessApi: null,
 		undeleteApi: null,
 		undeleteProcessApi: null,
 		protectApi: null,
 		protectProcessApi: null,
 		stabilizeApi: null,
 		stabilizeProcessApi: null
 	};
 
 	var emptyFunction = function() { };
 
 	/**
 	 * Loads the text for the page.
 	 *
 	 * @param {Function} onSuccess - Callback function which is called when the load has succeeded.
 	 * @param {Function} [onFailure] - Callback function which is called when the load fails.
 	 */
 	this.load = function(onSuccess, onFailure) {
 		ctx.onLoadSuccess = onSuccess;
 		ctx.onLoadFailure = onFailure || emptyFunction;
 
 		// Need to be able to do something after the page loads
 		if (!onSuccess) {
 			ctx.statusElement.error('Internal error: no onSuccess callback provided to load()!');
 			ctx.onLoadFailure(this);
 			return;
 		}
 
 		ctx.loadQuery = {
 			action: 'query',
 			prop: 'info|revisions',
 			inprop: 'watched',
 			intestactions: 'edit', // can be expanded
 			curtimestamp: '',
 			meta: 'tokens',
 			type: 'csrf',
 			titles: ctx.pageName,
 			format: 'json'
 			// don't need rvlimit=1 because we don't need rvstartid here and only one actual rev is returned by default
 		};
 
 		if (ctx.editMode === 'all') {
 			ctx.loadQuery.rvprop = 'content|timestamp';  // get the page content at the same time, if needed
 		} else if (ctx.editMode === 'revert') {
 			ctx.loadQuery.rvprop = 'timestamp';
 			ctx.loadQuery.rvlimit = 1;
 			ctx.loadQuery.rvstartid = ctx.revertOldID;
 		}
 
 		if (ctx.followRedirect) {
 			ctx.loadQuery.redirects = '';  // follow all redirects
 		}
 		if (typeof ctx.pageSection === 'number') {
 			ctx.loadQuery.rvsection = ctx.pageSection;
 		}
 		if (Morebits.userIsSysop) {
 			ctx.loadQuery.inprop += '|protection';
 		}
 
 		ctx.loadApi = new Morebits.wiki.api('Retrieving page...', ctx.loadQuery, fnLoadSuccess, ctx.statusElement, ctx.onLoadFailure);
 		ctx.loadApi.setParent(this);
 		ctx.loadApi.post();
 	};
 
 	/**
 	 * Saves the text for the page to Wikipedia.
 	 * Must be preceded by successfully calling `load()`.
 	 *
 	 * Warning: Calling `save()` can result in additional calls to the
 	 * previous `load()` callbacks to recover from edit conflicts! In this
 	 * case, callers must make the same edit to the new pageText and
 	 * reinvoke `save()`.  This behavior can be disabled with
 	 * `setMaxConflictRetries(0)`.
 	 *
 	 * @param {Function} [onSuccess] - Callback function which is called when the save has succeeded.
 	 * @param {Function} [onFailure] - Callback function which is called when the save fails.
 	 */
 	this.save = function(onSuccess, onFailure) {
 		ctx.onSaveSuccess = onSuccess;
 		ctx.onSaveFailure = onFailure || emptyFunction;
 
 		// are we getting our editing token from mw.user.tokens?
 		var canUseMwUserToken = fnCanUseMwUserToken('edit');
 
 		if (!ctx.pageLoaded &amp;&amp; !canUseMwUserToken) {
 			ctx.statusElement.error('Internal error: attempt to save a page that has not been loaded!');
 			ctx.onSaveFailure(this);
 			return;
 		}
 		if (!ctx.editSummary) {
 			// new section mode allows (nay, encourages) using the
 			// title as the edit summary, but the query needs
 			// editSummary to be undefined or '', not null
 			if (ctx.editMode === 'new' &amp;&amp; ctx.newSectionTitle) {
 				ctx.editSummary = '';
 			} else {
 				ctx.statusElement.error('Internal error: edit summary not set before save!');
 				ctx.onSaveFailure(this);
 				return;
 			}
 		}
 
 		// shouldn't happen if canUseMwUserToken === true
 		if (ctx.fullyProtected &amp;&amp; !ctx.suppressProtectWarning &amp;&amp;
 			!confirm('You are about to make an edit to the fully protected page &quot;' + ctx.pageName +
 			(ctx.fullyProtected === 'infinity' ? '&quot; (protected indefinitely)' : '&quot; (protection expiring ' + new Morebits.date(ctx.fullyProtected).calendar('utc') + ' (UTC))') +
 			'.  \n\nClick OK to proceed with the edit, or Cancel to skip this edit.')) {
 			ctx.statusElement.error('Edit to fully protected page was aborted.');
 			ctx.onSaveFailure(this);
 			return;
 		}
 
 		ctx.retries = 0;
 
 		var query = {
 			action: 'edit',
 			title: ctx.pageName,
 			summary: ctx.editSummary,
 			token: canUseMwUserToken ? mw.user.tokens.get('csrfToken') : ctx.csrfToken,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 
 		if (typeof ctx.pageSection === 'number') {
 			query.section = ctx.pageSection;
 		}
 
 		// Set minor edit attribute. If these parameters are present with any value, it is interpreted as true
 		if (ctx.minorEdit) {
 			query.minor = true;
 		} else {
 			query.notminor = true;  // force Twinkle config to override user preference setting for &quot;all edits are minor&quot;
 		}
 
 		// Set bot edit attribute. If this paramter is present with any value, it is interpreted as true
 		if (ctx.botEdit) {
 			query.bot = true;
 		}
 
 		switch (ctx.editMode) {
 			case 'append':
 				if (ctx.appendText === null) {
 					ctx.statusElement.error('Internal error: append text not set before save!');
 					ctx.onSaveFailure(this);
 					return;
 				}
 				query.appendtext = ctx.appendText;  // use mode to append to current page contents
 				break;
 			case 'prepend':
 				if (ctx.prependText === null) {
 					ctx.statusElement.error('Internal error: prepend text not set before save!');
 					ctx.onSaveFailure(this);
 					return;
 				}
 				query.prependtext = ctx.prependText;  // use mode to prepend to current page contents
 				break;
 			case 'new':
 				if (!ctx.newSectionText) { // API doesn't allow empty new section text
 					ctx.statusElement.error('Internal error: new section text not set before save!');
 					ctx.onSaveFailure(this);
 					return;
 				}
 				query.section = 'new';
 				query.text = ctx.newSectionText;  // add a new section to current page
 				query.sectiontitle = ctx.newSectionTitle || ctx.editSummary; // done by the API, but non-'' values would get treated as text
 				break;
 			case 'revert':
 				query.undo = ctx.revertCurID;
 				query.undoafter = ctx.revertOldID;
 				if (ctx.lastEditTime) {
 					query.basetimestamp = ctx.lastEditTime; // check that page hasn't been edited since it was loaded
 				}
 				query.starttimestamp = ctx.loadTime; // check that page hasn't been deleted since it was loaded (don't recreate bad stuff)
 				break;
 			default: // 'all'
 				query.text = ctx.pageText; // replace entire contents of the page
 				if (ctx.lastEditTime) {
 					query.basetimestamp = ctx.lastEditTime; // check that page hasn't been edited since it was loaded
 				}
 				query.starttimestamp = ctx.loadTime; // check that page hasn't been deleted since it was loaded (don't recreate bad stuff)
 				break;
 		}
 
 		if (['recreate', 'createonly', 'nocreate'].indexOf(ctx.createOption) !== -1) {
 			query[ctx.createOption] = '';
 		}
 
 		if (canUseMwUserToken &amp;&amp; ctx.followRedirect) {
 			query.redirect = true;
 		}
 
 		ctx.saveApi = new Morebits.wiki.api('Saving page...', query, fnSaveSuccess, ctx.statusElement, fnSaveError);
 		ctx.saveApi.setParent(this);
 		ctx.saveApi.post();
 	};
 
 	/**
 	 * Adds the text provided via `setAppendText()` to the end of the
 	 * page.  Does not require calling `load()` first, unless a watchlist
 	 * expiry is used.
 	 *
 	 * @param {Function} [onSuccess] - Callback function which is called when the method has succeeded.
 	 * @param {Function} [onFailure] - Callback function which is called when the method fails.
 	 */
 	this.append = function(onSuccess, onFailure) {
 		ctx.editMode = 'append';
 
 		if (fnCanUseMwUserToken('edit')) {
 			this.save(onSuccess, onFailure);
 		} else {
 			ctx.onSaveSuccess = onSuccess;
 			ctx.onSaveFailure = onFailure || emptyFunction;
 			this.load(fnAutoSave, ctx.onSaveFailure);
 		}
 	};
 
 	/**
 	 * Adds the text provided via `setPrependText()` to the start of the
 	 * page.  Does not require calling `load()` first, unless a watchlist
 	 * expiry is used.
 	 *
 	 * @param {Function}  [onSuccess] - Callback function which is called when the method has succeeded.
 	 * @param {Function}  [onFailure] - Callback function which is called when the method fails.
 	 */
 	this.prepend = function(onSuccess, onFailure) {
 		ctx.editMode = 'prepend';
 
 		if (fnCanUseMwUserToken('edit')) {
 			this.save(onSuccess, onFailure);
 		} else {
 			ctx.onSaveSuccess = onSuccess;
 			ctx.onSaveFailure = onFailure || emptyFunction;
 			this.load(fnAutoSave, ctx.onSaveFailure);
 		}
 	};
 
 	/**
 	 * Creates a new section with the text provided by `setNewSectionText()`
 	 * and section title from `setNewSectionTitle()`.
 	 * If `editSummary` is provided, that will be used instead of the
 	 * autogenerated &quot;-&gt;Title (new section&quot; edit summary.
 	 * Does not require calling `load()` first, unless a watchlist expiry
 	 * is used.
 	 *
 	 * @param {Function}  [onSuccess] - Callback function which is called when the method has succeeded.
 	 * @param {Function}  [onFailure] - Callback function which is called when the method fails.
 	 */
 	this.newSection = function(onSuccess, onFailure) {
 		ctx.editMode = 'new';
 
 		if (fnCanUseMwUserToken('edit')) {
 			this.save(onSuccess, onFailure);
 		} else {
 			ctx.onSaveSuccess = onSuccess;
 			ctx.onSaveFailure = onFailure || emptyFunction;
 			this.load(fnAutoSave, ctx.onSaveFailure);
 		}
 	};
 
 	/** @returns {string} The name of the loaded page, including the namespace */
 	this.getPageName = function() {
 		return ctx.pageName;
 	};
 
 	/** @returns {string} The text of the page after a successful load() */
 	this.getPageText = function() {
 		return ctx.pageText;
 	};
 
 	/** @param {string} pageText - Updated page text that will be saved when `save()` is called */
 	this.setPageText = function(pageText) {
 		ctx.editMode = 'all';
 		ctx.pageText = pageText;
 	};
 
 	/** @param {string} appendText - Text that will be appended to the page when `append()` is called */
 	this.setAppendText = function(appendText) {
 		ctx.editMode = 'append';
 		ctx.appendText = appendText;
 	};
 
 	/** @param {string} prependText - Text that will be prepended to the page when `prepend()` is called */
 	this.setPrependText = function(prependText) {
 		ctx.editMode = 'prepend';
 		ctx.prependText = prependText;
 	};
 
 	/** @param {string} newSectionText - Text that will be added in a new section on the page when `newSection()` is called */
 	this.setNewSectionText = function(newSectionText) {
 		ctx.editMode = 'new';
 		ctx.newSectionText = newSectionText;
 	};
 
 	/**
 	 * @param {string} newSectionTitle - Title for the new section created when `newSection()` is called
 	 * If missing, `ctx.editSummary` will be used. Issues may occur if a substituted template is used.
 	 */
 	this.setNewSectionTitle = function(newSectionTitle) {
 		ctx.editMode = 'new';
 		ctx.newSectionTitle = newSectionTitle;
 	};
 
 
 
 	// Edit-related setter methods:
 	/**
 	 * Set the edit summary that will be used when `save()` is called.
 	 * Unnecessary if editMode is 'new' and newSectionTitle is provided.
 	 *
 	 * @param {string} summary
 	 */
 	this.setEditSummary = function(summary) {
 		ctx.editSummary = summary;
 	};
 
 	/**
 	 * Set any custom tag(s) to be applied to the API action.
 	 * A number of actions don't support it, most notably watch, review,
 	 * and stabilize ({@link https://phabricator.wikimedia.org/T247721|T247721}), and
 	 * pagetriageaction ({@link https://phabricator.wikimedia.org/T252980|T252980}).
 	 *
 	 * @param {string|string[]} tags - String or array of tag(s).
 	 */
 	this.setChangeTags = function(tags) {
 		ctx.changeTags = tags;
 	};
 
 
 	/**
 	 * @param {string} [createOption=null] - Can take the following four values:
 	 * - recreate: create the page if it does not exist, or edit it if it exists.
 	 * - createonly: create the page if it does not exist, but return an
 	 * error if it already exists.
 	 * - nocreate: don't create the page, only edit it if it already exists.
 	 * - `null`: create the page if it does not exist, unless it was deleted
 	 * in the moment between loading the page and saving the edit (default).
 	 *
 	 */
 	this.setCreateOption = function(createOption) {
 		ctx.createOption = createOption;
 	};
 
 	/** @param {boolean} minorEdit - Set true to mark the edit as a minor edit. */
 	this.setMinorEdit = function(minorEdit) {
 		ctx.minorEdit = minorEdit;
 	};
 
 	/** @param {boolean} botEdit - Set true to mark the edit as a bot edit */
 	this.setBotEdit = function(botEdit) {
 		ctx.botEdit = botEdit;
 	};
 
 	/**
 	 * @param {number} pageSection - Integer specifying the section number to load or save.
 	 * If specified as `null`, the entire page will be retrieved.
 	 */
 	this.setPageSection = function(pageSection) {
 		ctx.pageSection = pageSection;
 	};
 
 	/**
 	 * @param {number} maxConflictRetries - Number of retries for save errors involving an edit conflict or
 	 * loss of token. Default: 2.
 	 */
 	this.setMaxConflictRetries = function(maxConflictRetries) {
 		ctx.maxConflictRetries = maxConflictRetries;
 	};
 
 	/**
 	 * @param {number} maxRetries - Number of retries for save errors not involving an edit conflict or
 	 * loss of token. Default: 2.
 	 */
 	this.setMaxRetries = function(maxRetries) {
 		ctx.maxRetries = maxRetries;
 	};
 
 	/**
 	 * @param {boolean|string} [watchlistOption=false] -
 	 * Basically a mix of MW API and Twinkley options available pre-expiry:
 	 * - `true`|`'yes'`: page will be added to the user's watchlist when the action is called
 	 * - `false`|`'no'`|`'nochange'`: watchlist status of the page will not be changed.
 	 * - `'default'`|`'preferences'`: watchlist status of the page will
 	 * be set based on the user's preference settings when the action is
 	 * called.  Ignores ability of default + expiry.
 	 * - `'unwatch'`: explicitly unwatch the page
 	 * - {string|number}: watch page until the specified time (relative or absolute datestring)
 	 */
 	this.setWatchlist = function(watchlistOption) {
 		if (!watchlistOption || watchlistOption === 'no' || watchlistOption === 'nochange') {
 			ctx.watchlistOption = 'nochange';
 		} else if (watchlistOption === 'default' || watchlistOption === 'preferences') {
 			ctx.watchlistOption = 'preferences';
 		} else if (watchlistOption === 'unwatch') {
 			ctx.watchlistOption = 'unwatch';
 		} else {
 			ctx.watchlistOption = 'watch';
 			if (typeof watchlistOption === 'number' || (typeof watchlistOption === 'string' &amp;&amp; watchlistOption !== 'yes')) {
 				ctx.watchlistExpiry = watchlistOption;
 			}
 		}
 	};
 
 	/**
 	 * Set an expiry. setWatchlist can handle this by itself if passed a
 	 * string, so this is here largely for completeness and compatibility.
 	 *
 	 * @param {string} watchlistExpiry - A date-like string or array of strings
 	 * Can be relative (2 weeks) or other similarly date-like (i.e. NOT &quot;potato&quot;):
 	 * ISO 8601: 2038-01-09T03:14:07Z
 	 * MediaWiki: 20380109031407
 	 * UNIX: 2147483647
 	 * SQL: 2038-01-09 03:14:07
 	 * Can also be `infinity` or infinity-like (`infinite`, `indefinite`, and `never`).
 	 * See {@link https://phabricator.wikimedia.org/source/mediawiki-libs-Timestamp/browse/master/src/ConvertibleTimestamp.php;4e53b859a9580c55958078f46dd4f3a44d0fcaa0$57-109?as=source&amp;blame=off}
 	 */
 	this.setWatchlistExpiry = function(watchlistExpiry) {
 		ctx.watchlistExpiry = watchlistExpiry;
 	};
 
 	/**
 	 * @deprecated As of December 2020, use setWatchlist.
 	 * @param {boolean} [watchlistOption=false] -
 	 * - `True`: page watchlist status will be set based on the user's
 	 * preference settings when `save()` is called.
 	 * - `False`: watchlist status of the page will not be changed.
 	 *
 	 * Watchlist notes:
 	 * 1. The MediaWiki API value of 'unwatch', which explicitly removes
 	 * the page from the user's watchlist, is not used.
 	 * 2. If both `setWatchlist()` and `setWatchlistFromPreferences()` are
 	 * called, the last call takes priority.
 	 * 3. Twinkle modules should use the appropriate preference to set the watchlist options.
 	 * 4. Most Twinkle modules use `setWatchlist()`. `setWatchlistFromPreferences()`
 	 * is only needed for the few Twinkle watchlist preferences that
 	 * accept a string value of `default`.
 	 */
 	this.setWatchlistFromPreferences = function(watchlistOption) {
 		console.warn('NOTE: Morebits.wiki.page.setWatchlistFromPreferences was deprecated December 2020, please use setWatchlist'); // eslint-disable-line no-console
 		if (watchlistOption) {
 			ctx.watchlistOption = 'preferences';
 		} else {
 			ctx.watchlistOption = 'nochange';
 		}
 	};
 
 	/**
 	 * @param {boolean} [followRedirect=false] -
 	 * - `true`: a maximum of one redirect will be followed. In the event
 	 * of a redirect, a message is displayed to the user and the redirect
 	 * target can be retrieved with getPageName().
 	 * - `false`: (default) the requested pageName will be used without regard to any redirect.
 	 * @param {boolean} [followCrossNsRedirect=true] - Not applicable if `followRedirect` is not set true.
 	 * - `true`: (default) follow redirect even if it is a cross-namespace redirect
 	 * - `false`: don't follow redirect if it is cross-namespace, edit the redirect itself.
 	 */
 	this.setFollowRedirect = function(followRedirect, followCrossNsRedirect) {
 		if (ctx.pageLoaded) {
 			ctx.statusElement.error('Internal error: cannot change redirect setting after the page has been loaded!');
 			return;
 		}
 		ctx.followRedirect = followRedirect;
 		ctx.followCrossNsRedirect = typeof followCrossNsRedirect !== 'undefined' ? followCrossNsRedirect : ctx.followCrossNsRedirect;
 	};
 
 	// lookup-creation setter function
 	/**
 	 * @param {boolean} flag - If set true, the author and timestamp of
 	 * the first non-redirect version of the page is retrieved.
 	 *
 	 * Warning:
 	 * 1. If there are no revisions among the first 50 that are
 	 * non-redirects, or if there are less 50 revisions and all are
 	 * redirects, the original creation is retrived.
 	 * 2. Revisions that the user is not privileged to access
 	 * (revdeled/suppressed) will be treated as non-redirects.
 	 * 3. Must not be used when the page has a non-wikitext contentmodel
 	 * such as Modulespace Lua or user JavaScript/CSS.
 	 */
 	this.setLookupNonRedirectCreator = function(flag) {
 		ctx.lookupNonRedirectCreator = flag;
 	};
 
 	// Move-related setter functions
 	/** @param {string} destination */
 	this.setMoveDestination = function(destination) {
 		ctx.moveDestination = destination;
 	};
 
 	/** @param {boolean} flag */
 	this.setMoveTalkPage = function(flag) {
 		ctx.moveTalkPage = !!flag;
 	};
 
 	/** @param {boolean} flag */
 	this.setMoveSubpages = function(flag) {
 		ctx.moveSubpages = !!flag;
 	};
 
 	/** @param {boolean} flag */
 	this.setMoveSuppressRedirect = function(flag) {
 		ctx.moveSuppressRedirect = !!flag;
 	};
 
 	// Protect-related setter functions
 	/**
 	 * @param {string} level - The right required for the specific action
 	 * e.g. autoconfirmed, sysop, templateeditor, extendedconfirmed
 	 * (enWiki-only).
 	 * @param {string} [expiry=infinity]
 	 */
 	this.setEditProtection = function(level, expiry) {
 		ctx.protectEdit = { level: level, expiry: expiry || 'infinity' };
 	};
 
 	this.setMoveProtection = function(level, expiry) {
 		ctx.protectMove = { level: level, expiry: expiry || 'infinity' };
 	};
 
 	this.setCreateProtection = function(level, expiry) {
 		ctx.protectCreate = { level: level, expiry: expiry || 'infinity' };
 	};
 
 	this.setCascadingProtection = function(flag) {
 		ctx.protectCascade = !!flag;
 	};
 
 	this.suppressProtectWarning = function() {
 		ctx.suppressProtectWarning = true;
 	};
 
 	// Revert-related getters/setters:
 	this.setOldID = function(oldID) {
 		ctx.revertOldID = oldID;
 	};
 
 	/** @returns {string} The current revision ID of the page */
 	this.getCurrentID = function() {
 		return ctx.revertCurID;
 	};
 
 	/** @returns {string} Last editor of the page */
 	this.getRevisionUser = function() {
 		return ctx.revertUser;
 	};
 
 	/** @returns {string} ISO 8601 timestamp at which the page was last edited. */
 	this.getLastEditTime = function() {
 		return ctx.lastEditTime;
 	};
 
 	// Miscellaneous getters/setters:
 
 	/**
 	 * Define an object for use in a callback function.
 	 *
 	 * `callbackParameters` is for use by the caller only. The parameters
 	 * allow a caller to pass the proper context into its callback
 	 * function.  Callers must ensure that any changes to the
 	 * callbackParameters object within a `load()` callback still permit a
 	 * proper re-entry into the `load()` callback if an edit conflict is
 	 * detected upon calling `save()`.
 	 *
 	 * @param {object} callbackParameters
 	 */
 	this.setCallbackParameters = function(callbackParameters) {
 		ctx.callbackParameters = callbackParameters;
 	};
 
 	/**
 	 * @returns {object} - The object previously set by `setCallbackParameters()`.
 	 */
 	this.getCallbackParameters = function() {
 		return ctx.callbackParameters;
 	};
 
 	/**
 	 * @param {Morebits.status} statusElement
 	 */
 	this.setStatusElement = function(statusElement) {
 		ctx.statusElement = statusElement;
 	};
 
 	/**
 	 * @returns {Morebits.status} Status element created by the constructor.
 	 */
 	this.getStatusElement = function() {
 		return ctx.statusElement;
 	};
 
 	/**
 	 * @param {string} level - The right required for edits not to require
 	 * review. Possible options: none, autoconfirmed, review (not on enWiki).
 	 * @param {string} [expiry=infinity]
 	 */
 	this.setFlaggedRevs = function(level, expiry) {
 		ctx.flaggedRevs = { level: level, expiry: expiry || 'infinity' };
 	};
 
 	/**
 	 * @returns {boolean} True if the page existed on the wiki when it was last loaded.
 	 */
 	this.exists = function() {
 		return ctx.pageExists;
 	};
 
 	/**
 	 * @returns {string} Page ID of the page loaded. 0 if the page doesn't
 	 * exist.
 	 */
 	this.getPageID = function() {
 		return ctx.pageID;
 	};
 
 	/**
 	 * @returns {string} - Content model of the page.  Possible values
 	 * include (but may not be limited to): `wikitext`, `javascript`,
 	 * `css`, `json`, `Scribunto`, `sanitized-css`, `MassMessageListContent`.
 	 * Also gettable via `mw.config.get('wgPageContentModel')`.
 	 */
 	this.getContentModel = function() {
 		return ctx.contentModel;
 	};
 
 	/**
 	 * @returns {boolean|string} - Watched status of the page. Boolean
 	 * unless it's being watched temporarily, in which case returns the
 	 * expiry string.
 	 */
 	this.getWatched = function () {
 		return ctx.watched;
 	};
 
 	/**
 	 * @returns {string} ISO 8601 timestamp at which the page was last loaded.
 	 */
 	this.getLoadTime = function() {
 		return ctx.loadTime;
 	};
 
 	/**
 	 * @returns {string} The user who created the page following `lookupCreation()`.
 	 */
 	this.getCreator = function() {
 		return ctx.creator;
 	};
 
 	/**
 	 * @returns {string} The ISOString timestamp of page creation following `lookupCreation()`.
 	 */
 	this.getCreationTimestamp = function() {
 		return ctx.timestamp;
 	};
 
 	/** @returns {boolean} whether or not you can edit the page */
 	this.canEdit = function() {
 		return !!ctx.testActions &amp;&amp; ctx.testActions.indexOf('edit') !== -1;
 	};
 
 	/**
 	 * Retrieves the username of the user who created the page as well as
 	 * the timestamp of creation.  The username can be retrieved using the
 	 * `getCreator()` function; the timestamp can be retrieved using the
 	 * `getCreationTimestamp()` function.
 	 * Prior to June 2019 known as `lookupCreator()`.
 	 *
 	 * @param {Function} onSuccess - Callback function to be called when
 	 * the username and timestamp are found within the callback.
 	 */
 	this.lookupCreation = function(onSuccess) {
 		if (!onSuccess) {
 			ctx.statusElement.error('Internal error: no onSuccess callback provided to lookupCreation()!');
 			return;
 		}
 		ctx.onLookupCreationSuccess = onSuccess;
 
 		var query = {
 			action: 'query',
 			prop: 'revisions',
 			titles: ctx.pageName,
 			rvlimit: 1,
 			rvprop: 'user|timestamp',
 			rvdir: 'newer',
 			format: 'json'
 		};
 
 		// Only the wikitext content model can reliably handle
 		// rvsection, others return an error when paired with the
 		// content rvprop. Relatedly, non-wikitext models don't
 		// understand the #REDIRECT concept, so we shouldn't attempt
 		// the redirect resolution in fnLookupCreationSuccess
 		if (ctx.lookupNonRedirectCreator) {
 			query.rvsection = 0;
 			query.rvprop += '|content';
 		}
 
 		if (ctx.followRedirect) {
 			query.redirects = '';  // follow all redirects
 		}
 
 		ctx.lookupCreationApi = new Morebits.wiki.api('Retrieving page creation information', query, fnLookupCreationSuccess, ctx.statusElement);
 		ctx.lookupCreationApi.setParent(this);
 		ctx.lookupCreationApi.post();
 	};
 
 	/**
 	 * Reverts a page to `revertOldID` set by `setOldID`.
 	 *
 	 * @param {Function} [onSuccess] - Callback function to run on success.
 	 * @param {Function} [onFailure] - Callback function to run on failure.
 	 */
 	this.revert = function(onSuccess, onFailure) {
 		ctx.onSaveSuccess = onSuccess;
 		ctx.onSaveFailure = onFailure || emptyFunction;
 
 		if (!ctx.revertOldID) {
 			ctx.statusElement.error('Internal error: revision ID to revert to was not set before revert!');
 			ctx.onSaveFailure(this);
 			return;
 		}
 
 		ctx.editMode = 'revert';
 		this.load(fnAutoSave, ctx.onSaveFailure);
 	};
 
 	/**
 	 * Moves a page to another title.
 	 *
 	 * @param {Function} [onSuccess] - Callback function to run on success.
 	 * @param {Function} [onFailure] - Callback function to run on failure.
 	 */
 	this.move = function(onSuccess, onFailure) {
 		ctx.onMoveSuccess = onSuccess;
 		ctx.onMoveFailure = onFailure || emptyFunction;
 
 		if (!fnPreflightChecks.call(this, 'move', ctx.onMoveFailure)) {
 			return; // abort
 		}
 
 		if (!ctx.moveDestination) {
 			ctx.statusElement.error('Internal error: destination page name was not set before move!');
 			ctx.onMoveFailure(this);
 			return;
 		}
 
 		if (fnCanUseMwUserToken('move')) {
 			fnProcessMove.call(this, this);
 		} else {
 			var query = fnNeedTokenInfoQuery('move');
 
 			ctx.moveApi = new Morebits.wiki.api('retrieving token...', query, fnProcessMove, ctx.statusElement, ctx.onMoveFailure);
 			ctx.moveApi.setParent(this);
 			ctx.moveApi.post();
 		}
 	};
 
 	/**
 	 * Marks the page as patrolled, using `rcid` (if available) or `revid`.
 	 *
 	 * Patrolling as such doesn't need to rely on loading the page in
 	 * question; simply passing a revid to the API is sufficient, so in
 	 * those cases just using {@link Morebits.wiki.api} is probably preferable.
 	 *
 	 * No error handling since we don't actually care about the errors.
 	 */
 	this.patrol = function() {
 		if (!Morebits.userIsSysop &amp;&amp; !Morebits.userIsInGroup('patroller')) {
 			return;
 		}
 
 		// If a link is present, don't need to check if it's patrolled
 		if ($('.patrollink').length) {
 			var patrolhref = $('.patrollink a').attr('href');
 			ctx.rcid = mw.util.getParamValue('rcid', patrolhref);
 			fnProcessPatrol(this, this);
 		} else {
 			var patrolQuery = {
 				action: 'query',
 				prop: 'info',
 				meta: 'tokens',
 				type: 'patrol', // as long as we're querying, might as well get a token
 				list: 'recentchanges', // check if the page is unpatrolled
 				titles: ctx.pageName,
 				rcprop: 'patrolled',
 				rctitle: ctx.pageName,
 				rclimit: 1,
 				format: 'json'
 			};
 
 			ctx.patrolApi = new Morebits.wiki.api('retrieving token...', patrolQuery, fnProcessPatrol);
 			ctx.patrolApi.setParent(this);
 			ctx.patrolApi.post();
 		}
 	};
 
 	/**
 	 * Marks the page as reviewed by the PageTriage extension.
 	 *
 	 * Will, by it's nature, mark as patrolled as well. Falls back to
 	 * patrolling if not in an appropriate namespace.
 	 *
 	 * Doesn't inherently rely on loading the page in question; simply
 	 * passing a `pageid` to the API is sufficient, so in those cases just
 	 * using {@link Morebits.wiki.api} is probably preferable.
 	 *
 	 * Will first check if the page is queued via
 	 * {@link Morebits.wiki.page~fnProcessTriageList|fnProcessTriageList}.
 	 *
 	 * No error handling since we don't actually care about the errors.
 	 *
 	 * @see {@link https://www.mediawiki.org/wiki/Extension:PageTriage} Referred to as &quot;review&quot; on-wiki.
 	 */
 	this.triage = function() {
 		// Fall back to patrol if not a valid triage namespace
 		if (mw.config.get('pageTriageNamespaces').indexOf(new mw.Title(ctx.pageName).getNamespaceId()) === -1) {
 			this.patrol();
 		} else {
 			if (!Morebits.userIsSysop &amp;&amp; !Morebits.userIsInGroup('patroller')) {
 				return;
 			}
 
 			// If on the page in question, don't need to query for page ID
 			if (new mw.Title(Morebits.pageNameNorm).getPrefixedText() === new mw.Title(ctx.pageName).getPrefixedText()) {
 				ctx.pageID = mw.config.get('wgArticleId');
 				fnProcessTriageList(this, this);
 			} else {
 				var query = fnNeedTokenInfoQuery('triage');
 
 				ctx.triageApi = new Morebits.wiki.api('retrieving token...', query, fnProcessTriageList);
 				ctx.triageApi.setParent(this);
 				ctx.triageApi.post();
 			}
 		}
 	};
 
 	// |delete| is a reserved word in some flavours of JS
 	/**
 	 * Deletes a page (for admins only).
 	 *
 	 * @param {Function} [onSuccess] - Callback function to run on success.
 	 * @param {Function} [onFailure] - Callback function to run on failure.
 	 */
 	this.deletePage = function(onSuccess, onFailure) {
 		ctx.onDeleteSuccess = onSuccess;
 		ctx.onDeleteFailure = onFailure || emptyFunction;
 
 		if (!fnPreflightChecks.call(this, 'delete', ctx.onDeleteFailure)) {
 			return; // abort
 		}
 
 		if (fnCanUseMwUserToken('delete')) {
 			fnProcessDelete.call(this, this);
 		} else {
 			var query = fnNeedTokenInfoQuery('delete');
 
 			ctx.deleteApi = new Morebits.wiki.api('retrieving token...', query, fnProcessDelete, ctx.statusElement, ctx.onDeleteFailure);
 			ctx.deleteApi.setParent(this);
 			ctx.deleteApi.post();
 		}
 	};
 
 	/**
 	 * Undeletes a page (for admins only).
 	 *
 	 * @param {Function} [onSuccess] - Callback function to run on success.
 	 * @param {Function} [onFailure] - Callback function to run on failure.
 	 */
 	this.undeletePage = function(onSuccess, onFailure) {
 		ctx.onUndeleteSuccess = onSuccess;
 		ctx.onUndeleteFailure = onFailure || emptyFunction;
 
 		if (!fnPreflightChecks.call(this, 'undelete', ctx.onUndeleteFailure)) {
 			return; // abort
 		}
 
 		if (fnCanUseMwUserToken('undelete')) {
 			fnProcessUndelete.call(this, this);
 		} else {
 			var query = fnNeedTokenInfoQuery('undelete');
 
 			ctx.undeleteApi = new Morebits.wiki.api('retrieving token...', query, fnProcessUndelete, ctx.statusElement, ctx.onUndeleteFailure);
 			ctx.undeleteApi.setParent(this);
 			ctx.undeleteApi.post();
 		}
 	};
 
 	/**
 	 * Protects a page (for admins only).
 	 *
 	 * @param {Function} [onSuccess] - Callback function to run on success.
 	 * @param {Function} [onFailure] - Callback function to run on failure.
 	 */
 	this.protect = function(onSuccess, onFailure) {
 		ctx.onProtectSuccess = onSuccess;
 		ctx.onProtectFailure = onFailure || emptyFunction;
 
 		if (!fnPreflightChecks.call(this, 'protect', ctx.onProtectFailure)) {
 			return; // abort
 		}
 
 		if (!ctx.protectEdit &amp;&amp; !ctx.protectMove &amp;&amp; !ctx.protectCreate) {
 			ctx.statusElement.error('Internal error: you must set edit and/or move and/or create protection before calling protect()!');
 			ctx.onProtectFailure(this);
 			return;
 		}
 
 		// because of the way MW API interprets protection levels
 		// (absolute, not differential), we always need to request
 		// protection levels from the server
 		var query = fnNeedTokenInfoQuery('protect');
 
 		ctx.protectApi = new Morebits.wiki.api('retrieving token...', query, fnProcessProtect, ctx.statusElement, ctx.onProtectFailure);
 		ctx.protectApi.setParent(this);
 		ctx.protectApi.post();
 	};
 
 	/**
 	 * Apply FlaggedRevs protection settings.  Only works on wikis where
 	 * the extension is installed (`$wgFlaggedRevsProtection = true`
 	 * i.e. where FlaggedRevs settings appear on the &quot;protect&quot; tab).
 	 *
 	 * @see {@link https://www.mediawiki.org/wiki/Extension:FlaggedRevs}
 	 * Referred to as &quot;pending changes&quot; on-wiki.
 	 *
 	 * @param {Function} [onSuccess]
 	 * @param {Function} [onFailure]
 	 */
 	this.stabilize = function(onSuccess, onFailure) {
 		ctx.onStabilizeSuccess = onSuccess;
 		ctx.onStabilizeFailure = onFailure || emptyFunction;
 
 		if (!fnPreflightChecks.call(this, 'FlaggedRevs', ctx.onStabilizeFailure)) {
 			return; // abort
 		}
 
 		if (!ctx.flaggedRevs) {
 			ctx.statusElement.error('Internal error: you must set flaggedRevs before calling stabilize()!');
 			ctx.onStabilizeFailure(this);
 			return;
 		}
 
 		if (fnCanUseMwUserToken('stabilize')) {
 			fnProcessStabilize.call(this, this);
 		} else {
 			var query = fnNeedTokenInfoQuery('stabilize');
 
 			ctx.stabilizeApi = new Morebits.wiki.api('retrieving token...', query, fnProcessStabilize, ctx.statusElement, ctx.onStabilizeFailure);
 			ctx.stabilizeApi.setParent(this);
 			ctx.stabilizeApi.post();
 		}
 	};
 
 	/*
 	 * Private member functions
 	 * These are not exposed outside
 	 */
 
 	/**
 	 * Determines whether we can save an API call by using the csrf token
 	 * sent with the page HTML, or whether we need to ask the server for
 	 * more info (e.g. protection or watchlist expiry).
 	 *
 	 * Currently used for `append`, `prepend`, `newSection`, `move`,
 	 * `stabilize`, `deletePage`, and `undeletePage`. Not used for
 	 * `protect` since it always needs to request protection status.
 	 *
 	 * @param {string} [action=edit] - The action being undertaken, e.g.
 	 * &quot;edit&quot; or &quot;delete&quot;. In practice, only &quot;edit&quot; or &quot;notedit&quot; matters.
 	 * @returns {boolean}
 	 */
 	var fnCanUseMwUserToken = function(action) {
 		action = typeof action !== 'undefined' ? action : 'edit'; // IE doesn't support default parameters
 
 		// If a watchlist expiry is set, we must always load the page
 		// to avoid overwriting indefinite protection
 		if (ctx.watchlistExpiry) {
 			return false;
 		}
 
 		// API-based redirect resolution only works for action=query and
 		// action=edit in append/prepend/new modes
 		if (ctx.followRedirect) {
 			if (!ctx.followCrossNsRedirect) {
 				return false; // must load the page to check for cross namespace redirects
 			}
 			if (action !== 'edit' || (ctx.editMode === 'all' || ctx.editMode === 'revert')) {
 				return false;
 			}
 		}
 
 		// do we need to fetch the edit protection expiry?
 		if (Morebits.userIsSysop &amp;&amp; !ctx.suppressProtectWarning) {
 			if (new mw.Title(Morebits.pageNameNorm).getPrefixedText() !== new mw.Title(ctx.pageName).getPrefixedText()) {
 				return false;
 			}
 
 			// wgRestrictionEdit is null on non-existent pages,
 			// so this neatly handles nonexistent pages
 			var editRestriction = mw.config.get('wgRestrictionEdit');
 			if (!editRestriction || editRestriction.indexOf('sysop') !== -1) {
 				return false;
 			}
 		}
 
 		return !!mw.user.tokens.get('csrfToken');
 	};
 
 	/**
 	 * When functions can't use
 	 * {@link Morebits.wiki.page~fnCanUseMwUserToken|fnCanUseMwUserToken}
 	 * or require checking protection or watched status, maintain the query
 	 * in one place. Used for {@link Morebits.wiki.page#deletePage|delete},
 	 * {@link Morebits.wiki.page#undeletePage|undelete},
 	 * {@link* Morebits.wiki.page#protect|protect},
 	 * {@link Morebits.wiki.page#stabilize|stabilize},
 	 * and {@link Morebits.wiki.page#move|move}
 	 * (basically, just not {@link Morebits.wiki.page#load|load}).
 	 *
 	 * @param {string} action - The action being undertaken, e.g. &quot;edit&quot; or
 	 * &quot;delete&quot;.
 	 * @returns {object} Appropriate query.
 	 */
 	var fnNeedTokenInfoQuery = function(action) {
 		var query = {
 			action: 'query',
 			meta: 'tokens',
 			type: 'csrf',
 			titles: ctx.pageName,
 			prop: 'info',
 			inprop: 'watched',
 			format: 'json'
 		};
 		// Protection not checked for flagged-revs or non-sysop moves
 		if (action !== 'stabilize' &amp;&amp; (action !== 'move' || Morebits.userIsSysop)) {
 			query.inprop += '|protection';
 		}
 		if (ctx.followRedirect &amp;&amp; action !== 'undelete') {
 			query.redirects = ''; // follow all redirects
 		}
 		return query;
 	};
 
 	// callback from loadSuccess() for append(), prepend(), and newSection() threads
 	var fnAutoSave = function(pageobj) {
 		pageobj.save(ctx.onSaveSuccess, ctx.onSaveFailure);
 	};
 
 	// callback from loadApi.post()
 	var fnLoadSuccess = function() {
 		var response = ctx.loadApi.getResponse().query;
 
 		if (!fnCheckPageName(response, ctx.onLoadFailure)) {
 			return; // abort
 		}
 
 		var page = response.pages[0], rev;
 		ctx.pageExists = !page.missing;
 		if (ctx.pageExists) {
 			rev = page.revisions[0];
 			ctx.lastEditTime = rev.timestamp;
 			ctx.pageText = rev.content;
 			ctx.pageID = page.pageid;
 		} else {
 			ctx.pageText = '';  // allow for concatenation, etc.
 			ctx.pageID = 0; // nonexistent in response, matches wgArticleId
 		}
 		ctx.csrfToken = response.tokens.csrftoken;
 		if (!ctx.csrfToken) {
 			ctx.statusElement.error('Failed to retrieve edit token.');
 			ctx.onLoadFailure(this);
 			return;
 		}
 		ctx.loadTime = ctx.loadApi.getResponse().curtimestamp;
 		if (!ctx.loadTime) {
 			ctx.statusElement.error('Failed to retrieve current timestamp.');
 			ctx.onLoadFailure(this);
 			return;
 		}
 
 		ctx.contentModel = page.contentmodel;
 		ctx.watched = page.watchlistexpiry || page.watched;
 
 		// extract protection info, to alert admins when they are about to edit a protected page
 		// Includes cascading protection
 		if (Morebits.userIsSysop) {
 			var editProt = page.protection.filter(function(pr) {
 				return pr.type === 'edit' &amp;&amp; pr.level === 'sysop';
 			}).pop();
 			if (editProt) {
 				ctx.fullyProtected = editProt.expiry;
 			} else {
 				ctx.fullyProtected = false;
 			}
 		}
 
 		ctx.revertCurID = page.lastrevid;
 
 		var testactions = page.actions;
 		ctx.testActions = []; // was null
 		Object.keys(testactions).forEach(function(action) {
 			if (testactions[action]) {
 				ctx.testActions.push(action);
 			}
 		});
 
 		if (ctx.editMode === 'revert') {
 			ctx.revertCurID = rev &amp;&amp; rev.revid;
 			if (!ctx.revertCurID) {
 				ctx.statusElement.error('Failed to retrieve current revision ID.');
 				ctx.onLoadFailure(this);
 				return;
 			}
 			ctx.revertUser = rev &amp;&amp; rev.user;
 			if (!ctx.revertUser) {
 				if (rev &amp;&amp; rev.userhidden) {  // username was RevDel'd or oversighted
 					ctx.revertUser = '&lt;username hidden&gt;';
 				} else {
 					ctx.statusElement.error('Failed to retrieve user who made the revision.');
 					ctx.onLoadFailure(this);
 					return;
 				}
 			}
 			// set revert edit summary
 			ctx.editSummary = '[[Help:Revert|Reverted]] to revision ' + ctx.revertOldID + ' by ' + ctx.revertUser + ': ' + ctx.editSummary;
 		}
 
 		ctx.pageLoaded = true;
 
 		// alert(&quot;Generate edit conflict now&quot;);  // for testing edit conflict recovery logic
 		ctx.onLoadSuccess(this);  // invoke callback
 	};
 
 	// helper function to parse the page name returned from the API
 	var fnCheckPageName = function(response, onFailure) {
 		if (!onFailure) {
 			onFailure = emptyFunction;
 		}
 
 		var page = response.pages &amp;&amp; response.pages[0];
 		if (page) {
 			// check for invalid titles
 			if (page.invalid) {
 				ctx.statusElement.error('The page title is invalid: ' + ctx.pageName);
 				onFailure(this);
 				return false; // abort
 			}
 
 			// retrieve actual title of the page after normalization and redirects
 			var resolvedName = page.title;
 
 			if (response.redirects) {
 				// check for cross-namespace redirect:
 				var origNs = new mw.Title(ctx.pageName).namespace;
 				var newNs = new mw.Title(resolvedName).namespace;
 				if (origNs !== newNs &amp;&amp; !ctx.followCrossNsRedirect) {
 					ctx.statusElement.error(ctx.pageName + ' is a cross-namespace redirect to ' + resolvedName + ', aborted');
 					onFailure(this);
 					return false;
 				}
 
 				// only notify user for redirects, not normalization
 				new Morebits.status('Note', 'Redirected from ' + ctx.pageName + ' to ' + resolvedName);
 			}
 
 			ctx.pageName = resolvedName; // update to redirect target or normalized name
 
 		} else {
 			// could be a circular redirect or other problem
 			ctx.statusElement.error('Could not resolve redirects for: ' + ctx.pageName);
 			onFailure(this);
 
 			// force error to stay on the screen
 			++Morebits.wiki.numberOfActionsLeft;
 			return false; // abort
 		}
 		return true; // all OK
 	};
 
 	// callback from saveApi.post()
 	var fnSaveSuccess = function() {
 		ctx.editMode = 'all';  // cancel append/prepend/newSection/revert modes
 		var response = ctx.saveApi.getResponse();
 
 		// see if the API thinks we were successful
 		if (response.edit.result === 'Success') {
 
 			// real success
 			// default on success action - display link for edited page
 			var link = document.createElement('a');
 			link.setAttribute('href', mw.util.getUrl(ctx.pageName));
 			link.appendChild(document.createTextNode(ctx.pageName));
 			ctx.statusElement.info(['completed (', link, ')']);
 			if (ctx.onSaveSuccess) {
 				ctx.onSaveSuccess(this);  // invoke callback
 			}
 			return;
 		}
 
 		// errors here are only generated by extensions which hook APIEditBeforeSave within MediaWiki,
 		// which as of 1.34.0-wmf.23 (Sept 2019) should only encompass captcha messages
 		if (response.edit.captcha) {
 			ctx.statusElement.error('Could not save the page because the wiki server wanted you to fill out a CAPTCHA.');
 		} else {
 			ctx.statusElement.error('Unknown error received from API while saving page');
 		}
 
 		// force error to stay on the screen
 		++Morebits.wiki.numberOfActionsLeft;
 
 		ctx.onSaveFailure(this);
 	};
 
 	// callback from saveApi.post()
 	var fnSaveError = function() {
 		var errorCode = ctx.saveApi.getErrorCode();
 
 		// check for edit conflict
 		if (errorCode === 'editconflict' &amp;&amp; ctx.conflictRetries++ &lt; ctx.maxConflictRetries) {
 
 			// edit conflicts can occur when the page needs to be purged from the server cache
 			var purgeQuery = {
 				action: 'purge',
 				titles: ctx.pageName  // redirects are already resolved
 			};
 
 			var purgeApi = new Morebits.wiki.api('Edit conflict detected, purging server cache', purgeQuery, function() {
 				--Morebits.wiki.numberOfActionsLeft;  // allow for normal completion if retry succeeds
 
 				ctx.statusElement.info('Edit conflict detected, reapplying edit');
 				if (fnCanUseMwUserToken('edit')) {
 					ctx.saveApi.post(); // necessarily append, prepend, or newSection, so this should work as desired
 				} else {
 					ctx.loadApi.post(); // reload the page and reapply the edit
 				}
 			}, ctx.statusElement);
 			purgeApi.post();
 
 		// check for network or server error
 		} else if ((errorCode === null || errorCode === undefined) &amp;&amp; ctx.retries++ &lt; ctx.maxRetries) {
 
 			// the error might be transient, so try again
 			ctx.statusElement.info('Save failed, retrying in 2 seconds ...');
 			--Morebits.wiki.numberOfActionsLeft;  // allow for normal completion if retry succeeds
 
 			// wait for sometime for client to regain connnectivity
 			sleep(2000).then(function() {
 				ctx.saveApi.post(); // give it another go!
 			});
 
 		// hard error, give up
 		} else {
 
 			switch (errorCode) {
 
 				case 'protectedpage':
 					// non-admin attempting to edit a protected page - this gives a friendlier message than the default
 					ctx.statusElement.error('Failed to save edit: Page is protected');
 					break;
 
 				case 'abusefilter-disallowed':
 					ctx.statusElement.error('The edit was disallowed by the edit filter: &quot;' + ctx.saveApi.getResponse().error.abusefilter.description + '&quot;.');
 					break;
 
 				case 'abusefilter-warning':
 					ctx.statusElement.error([ 'A warning was returned by the edit filter: &quot;', ctx.saveApi.getResponse().error.abusefilter.description, '&quot;. If you wish to proceed with the edit, please carry it out again. This warning will not appear a second time.' ]);
 					// We should provide the user with a way to automatically retry the action if they so choose -
 					// I can't see how to do this without creating a UI dependency on Morebits.wiki.page though -- TTO
 					break;
 
 				case 'spamblacklist':
 					// If multiple items are blacklisted, we only return the first
 					var spam = ctx.saveApi.getResponse().error.spamblacklist.matches[0];
 					ctx.statusElement.error('Could not save the page because the URL ' + spam + ' is on the spam blacklist');
 					break;
 
 				default:
 					ctx.statusElement.error('Failed to save edit: ' + ctx.saveApi.getErrorText());
 			}
 
 			ctx.editMode = 'all';  // cancel append/prepend/newSection/revert modes
 			if (ctx.onSaveFailure) {
 				ctx.onSaveFailure(this);  // invoke callback
 			}
 		}
 	};
 
 	var fnLookupCreationSuccess = function() {
 		var response = ctx.lookupCreationApi.getResponse().query;
 
 		if (!fnCheckPageName(response)) {
 			return; // abort
 		}
 
 		var rev = response.pages[0].revisions &amp;&amp; response.pages[0].revisions[0];
 		if (!rev) {
 			ctx.statusElement.error('Could not find any revisions of ' + ctx.pageName);
 			return;
 		}
 
 		if (!ctx.lookupNonRedirectCreator || !/^\s*#redirect/i.test(rev.content)) {
 
 			ctx.creator = rev.user;
 			if (!ctx.creator) {
 				ctx.statusElement.error('Could not find name of page creator');
 				return;
 			}
 			ctx.timestamp = rev.timestamp;
 			if (!ctx.timestamp) {
 				ctx.statusElement.error('Could not find timestamp of page creation');
 				return;
 			}
 			ctx.onLookupCreationSuccess(this);
 
 		} else {
 			ctx.lookupCreationApi.query.rvlimit = 50; // modify previous query to fetch more revisions
 			ctx.lookupCreationApi.query.titles = ctx.pageName; // update pageName if redirect resolution took place in earlier query
 
 			ctx.lookupCreationApi = new Morebits.wiki.api('Retrieving page creation information', ctx.lookupCreationApi.query, fnLookupNonRedirectCreator, ctx.statusElement);
 			ctx.lookupCreationApi.setParent(this);
 			ctx.lookupCreationApi.post();
 		}
 
 	};
 
 	var fnLookupNonRedirectCreator = function() {
 		var response = ctx.lookupCreationApi.getResponse().query;
 		var revs = response.pages[0].revisions;
 
 		for (var i = 0; i &lt; revs.length; i++) {
 			if (!/^\s*#redirect/i.test(revs[i].content)) { // inaccessible revisions also check out
 				ctx.creator = revs[i].user;
 				ctx.timestamp = revs[i].timestamp;
 				break;
 			}
 		}
 
 		if (!ctx.creator) {
 			// fallback to give first revision author if no non-redirect version in the first 50
 			ctx.creator = revs[0].user;
 			ctx.timestamp = revs[0].timestamp;
 			if (!ctx.creator) {
 				ctx.statusElement.error('Could not find name of page creator');
 				return;
 			}
 
 		}
 		if (!ctx.timestamp) {
 			ctx.statusElement.error('Could not find timestamp of page creation');
 			return;
 		}
 
 		ctx.onLookupCreationSuccess(this);
 
 	};
 
 	/**
 	 * Common checks for action methods. Used for move, undelete, delete,
 	 * protect, stabilize.
 	 *
 	 * @param {string} action - The action being checked.
 	 * @param {string} onFailure - Failure callback.
 	 * @returns {boolean}
 	 */
 	var fnPreflightChecks = function(action, onFailure) {
 		// if a non-admin tries to do this, don't bother
 		if (!Morebits.userIsSysop &amp;&amp; action !== 'move') {
 			ctx.statusElement.error('Cannot ' + action + 'page : only admins can do that');
 			onFailure(this);
 			return false;
 		}
 
 		if (!ctx.editSummary) {
 			ctx.statusElement.error('Internal error: ' + action + ' reason not set (use setEditSummary function)!');
 			onFailure(this);
 			return false;
 		}
 		return true; // all OK
 	};
 
 	/**
 	 * Common checks for fnProcess functions (`fnProcessDelete`, `fnProcessMove`, etc.
 	 * Used for move, undelete, delete, protect, stabilize.
 	 *
 	 * @param {string} action - The action being checked.
 	 * @param {string} onFailure - Failure callback.
 	 * @param {string} response - The response document from the API call.
 	 * @returns {boolean}
 	 */
 	var fnProcessChecks = function(action, onFailure, response) {
 		var missing = response.pages[0].missing;
 
 		// No undelete as an existing page could have deleted revisions
 		var actionMissing = missing &amp;&amp; ['delete', 'stabilize', 'move'].indexOf(action) !== -1;
 		var protectMissing = action === 'protect' &amp;&amp; missing &amp;&amp; (ctx.protectEdit || ctx.protectMove);
 		var saltMissing = action === 'protect' &amp;&amp; !missing &amp;&amp; ctx.protectCreate;
 
 		if (actionMissing || protectMissing || saltMissing) {
 			ctx.statusElement.error('Cannot ' + action + ' the page because it ' + (missing ? 'no longer' : 'already') + ' exists');
 			onFailure(this);
 			return false;
 		}
 
 		// Delete, undelete, move
 		// extract protection info
 		var editprot;
 		if (action === 'undelete') {
 			editprot = response.pages[0].protection.filter(function(pr) {
 				return pr.type === 'create' &amp;&amp; pr.level === 'sysop';
 			}).pop();
 		} else if (action === 'delete' || action === 'move') {
 			editprot = response.pages[0].protection.filter(function(pr) {
 				return pr.type === 'edit' &amp;&amp; pr.level === 'sysop';
 			}).pop();
 		}
 		if (editprot &amp;&amp; !ctx.suppressProtectWarning &amp;&amp;
 			!confirm('You are about to ' + action + ' the fully protected page &quot;' + ctx.pageName +
 			(editprot.expiry === 'infinity' ? '&quot; (protected indefinitely)' : '&quot; (protection expiring ' + new Morebits.date(editprot.expiry).calendar('utc') + ' (UTC))') +
 			'.  \n\nClick OK to proceed with ' + action + ', or Cancel to skip.')) {
 			ctx.statusElement.error('Aborted ' + action + ' on fully protected page.');
 			onFailure(this);
 			return false;
 		}
 
 		if (!response.tokens.csrftoken) {
 			ctx.statusElement.error('Failed to retrieve token.');
 			onFailure(this);
 			return false;
 		}
 		return true; // all OK
 	};
 
 	var fnProcessMove = function() {
 		var pageTitle, token;
 
 		if (fnCanUseMwUserToken('move')) {
 			token = mw.user.tokens.get('csrfToken');
 			pageTitle = ctx.pageName;
 		} else {
 			var response = ctx.moveApi.getResponse().query;
 
 			if (!fnProcessChecks('move', ctx.onMoveFailure, response)) {
 				return; // abort
 			}
 
 			token = response.tokens.csrftoken;
 			var page = response.pages[0];
 			pageTitle = page.title;
 			ctx.watched = page.watchlistexpiry || page.watched;
 		}
 
 		var query = {
 			action: 'move',
 			from: pageTitle,
 			to: ctx.moveDestination,
 			token: token,
 			reason: ctx.editSummary,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 		if (ctx.moveTalkPage) {
 			query.movetalk = 'true';
 		}
 		if (ctx.moveSubpages) {
 			query.movesubpages = 'true';
 		}
 		if (ctx.moveSuppressRedirect) {
 			query.noredirect = 'true';
 		}
 
 		ctx.moveProcessApi = new Morebits.wiki.api('moving page...', query, ctx.onMoveSuccess, ctx.statusElement, ctx.onMoveFailure);
 		ctx.moveProcessApi.setParent(this);
 		ctx.moveProcessApi.post();
 	};
 
 	var fnProcessPatrol = function() {
 		var query = {
 			action: 'patrol',
 			format: 'json'
 		};
 
 		// Didn't need to load the page
 		if (ctx.rcid) {
 			query.rcid = ctx.rcid;
 			query.token = mw.user.tokens.get('patrolToken');
 		} else {
 			var response = ctx.patrolApi.getResponse().query;
 
 			// Don't patrol if not unpatrolled
 			if (!response.recentchanges[0].unpatrolled) {
 				return;
 			}
 
 			var lastrevid = response.pages[0].lastrevid;
 			if (!lastrevid) {
 				return;
 			}
 			query.revid = lastrevid;
 
 			var token = response.tokens.csrftoken;
 			if (!token) {
 				return;
 			}
 			query.token = token;
 		}
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		var patrolStat = new Morebits.status('Marking page as patrolled');
 
 		ctx.patrolProcessApi = new Morebits.wiki.api('patrolling page...', query, null, patrolStat);
 		ctx.patrolProcessApi.setParent(this);
 		ctx.patrolProcessApi.post();
 	};
 
 	// Ensure that the page is curatable
 	var fnProcessTriageList = function() {
 		if (ctx.pageID) {
 			ctx.csrfToken = mw.user.tokens.get('csrfToken');
 		} else {
 			var response = ctx.triageApi.getResponse().query;
 
 			ctx.pageID = response.pages[0].pageid;
 			if (!ctx.pageID) {
 				return;
 			}
 
 			ctx.csrfToken = response.tokens.csrftoken;
 			if (!ctx.csrfToken) {
 				return;
 			}
 		}
 
 		var query = {
 			action: 'pagetriagelist',
 			page_id: ctx.pageID,
 			format: 'json'
 		};
 
 		ctx.triageProcessListApi = new Morebits.wiki.api('checking curation status...', query, fnProcessTriage);
 		ctx.triageProcessListApi.setParent(this);
 		ctx.triageProcessListApi.post();
 	};
 
 	// callback from triageProcessListApi.post()
 	var fnProcessTriage = function() {
 		var responseList = ctx.triageProcessListApi.getResponse().pagetriagelist;
 		// Exit if not in the queue
 		if (!responseList || responseList.result !== 'success') {
 			return;
 		}
 		var page = responseList.pages &amp;&amp; responseList.pages[0];
 		// Do nothing if page already triaged/patrolled
 		if (!page || !parseInt(page.patrol_status, 10)) {
 			var query = {
 				action: 'pagetriageaction',
 				pageid: ctx.pageID,
 				reviewed: 1,
 				// tags: ctx.changeTags, // pagetriage tag support: [[phab:T252980]]
 				// Could use an adder to modify/create note:
 				// summaryAd, but that seems overwrought
 				token: ctx.csrfToken,
 				format: 'json'
 			};
 			var triageStat = new Morebits.status('Marking page as curated');
 			ctx.triageProcessApi = new Morebits.wiki.api('curating page...', query, null, triageStat);
 			ctx.triageProcessApi.setParent(this);
 			ctx.triageProcessApi.post();
 		}
 	};
 
 	var fnProcessDelete = function() {
 		var pageTitle, token;
 
 		if (fnCanUseMwUserToken('delete')) {
 			token = mw.user.tokens.get('csrfToken');
 			pageTitle = ctx.pageName;
 		} else {
 			var response = ctx.deleteApi.getResponse().query;
 
 			if (!fnProcessChecks('delete', ctx.onDeleteFailure, response)) {
 				return; // abort
 			}
 
 			token = response.tokens.csrftoken;
 			var page = response.pages[0];
 			pageTitle = page.title;
 			ctx.watched = page.watchlistexpiry || page.watched;
 		}
 
 		var query = {
 			action: 'delete',
 			title: pageTitle,
 			token: token,
 			reason: ctx.editSummary,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 
 		ctx.deleteProcessApi = new Morebits.wiki.api('deleting page...', query, ctx.onDeleteSuccess, ctx.statusElement, fnProcessDeleteError);
 		ctx.deleteProcessApi.setParent(this);
 		ctx.deleteProcessApi.post();
 	};
 
 	// callback from deleteProcessApi.post()
 	var fnProcessDeleteError = function() {
 
 		var errorCode = ctx.deleteProcessApi.getErrorCode();
 
 		// check for &quot;Database query error&quot;
 		if (errorCode === 'internal_api_error_DBQueryError' &amp;&amp; ctx.retries++ &lt; ctx.maxRetries) {
 			ctx.statusElement.info('Database query error, retrying');
 			--Morebits.wiki.numberOfActionsLeft;  // allow for normal completion if retry succeeds
 			ctx.deleteProcessApi.post(); // give it another go!
 
 		} else if (errorCode === 'missingtitle') {
 			ctx.statusElement.error('Cannot delete the page, because it no longer exists');
 			if (ctx.onDeleteFailure) {
 				ctx.onDeleteFailure.call(this, ctx.deleteProcessApi);  // invoke callback
 			}
 		// hard error, give up
 		} else {
 			ctx.statusElement.error('Failed to delete the page: ' + ctx.deleteProcessApi.getErrorText());
 			if (ctx.onDeleteFailure) {
 				ctx.onDeleteFailure.call(this, ctx.deleteProcessApi);  // invoke callback
 			}
 		}
 	};
 
 	var fnProcessUndelete = function() {
 		var pageTitle, token;
 
 		if (fnCanUseMwUserToken('undelete')) {
 			token = mw.user.tokens.get('csrfToken');
 			pageTitle = ctx.pageName;
 		} else {
 			var response = ctx.undeleteApi.getResponse().query;
 
 			if (!fnProcessChecks('undelete', ctx.onUndeleteFailure, response)) {
 				return; // abort
 			}
 
 			token = response.tokens.csrftoken;
 			var page = response.pages[0];
 			pageTitle = page.title;
 			ctx.watched = page.watchlistexpiry || page.watched;
 		}
 
 		var query = {
 			action: 'undelete',
 			title: pageTitle,
 			token: token,
 			reason: ctx.editSummary,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 
 		ctx.undeleteProcessApi = new Morebits.wiki.api('undeleting page...', query, ctx.onUndeleteSuccess, ctx.statusElement, fnProcessUndeleteError);
 		ctx.undeleteProcessApi.setParent(this);
 		ctx.undeleteProcessApi.post();
 	};
 
 	// callback from undeleteProcessApi.post()
 	var fnProcessUndeleteError = function() {
 
 		var errorCode = ctx.undeleteProcessApi.getErrorCode();
 
 		// check for &quot;Database query error&quot;
 		if (errorCode === 'internal_api_error_DBQueryError') {
 			if (ctx.retries++ &lt; ctx.maxRetries) {
 				ctx.statusElement.info('Database query error, retrying');
 				--Morebits.wiki.numberOfActionsLeft;  // allow for normal completion if retry succeeds
 				ctx.undeleteProcessApi.post(); // give it another go!
 			} else {
 				ctx.statusElement.error('Repeated database query error, please try again');
 				if (ctx.onUndeleteFailure) {
 					ctx.onUndeleteFailure.call(this, ctx.undeleteProcessApi);  // invoke callback
 				}
 			}
 		} else if (errorCode === 'cantundelete') {
 			ctx.statusElement.error('Cannot undelete the page, either because there are no revisions to undelete or because it has already been undeleted');
 			if (ctx.onUndeleteFailure) {
 				ctx.onUndeleteFailure.call(this, ctx.undeleteProcessApi);  // invoke callback
 			}
 		// hard error, give up
 		} else {
 			ctx.statusElement.error('Failed to undelete the page: ' + ctx.undeleteProcessApi.getErrorText());
 			if (ctx.onUndeleteFailure) {
 				ctx.onUndeleteFailure.call(this, ctx.undeleteProcessApi);  // invoke callback
 			}
 		}
 	};
 
 	var fnProcessProtect = function() {
 		var response = ctx.protectApi.getResponse().query;
 
 		if (!fnProcessChecks('protect', ctx.onProtectFailure, response)) {
 			return; // abort
 		}
 
 		var token = response.tokens.csrftoken;
 		var page = response.pages[0];
 		var pageTitle = page.title;
 		ctx.watched = page.watchlistexpiry || page.watched;
 
 		// Fetch existing protection levels
 		var prs = response.pages[0].protection;
 		var editprot, moveprot, createprot;
 		prs.forEach(function(pr) {
 			// Filter out protection from cascading
 			if (pr.type === 'edit' &amp;&amp; !pr.source) {
 				editprot = pr;
 			} else if (pr.type === 'move') {
 				moveprot = pr;
 			} else if (pr.type === 'create') {
 				createprot = pr;
 			}
 		});
 
 
 		// Fall back to current levels if not explicitly set
 		if (!ctx.protectEdit &amp;&amp; editprot) {
 			ctx.protectEdit = { level: editprot.level, expiry: editprot.expiry };
 		}
 		if (!ctx.protectMove &amp;&amp; moveprot) {
 			ctx.protectMove = { level: moveprot.level, expiry: moveprot.expiry };
 		}
 		if (!ctx.protectCreate &amp;&amp; createprot) {
 			ctx.protectCreate = { level: createprot.level, expiry: createprot.expiry };
 		}
 
 		// Default to pre-existing cascading protection if unchanged (similar to above)
 		if (ctx.protectCascade === null) {
 			ctx.protectCascade = !!prs.filter(function(pr) {
 				return pr.cascade;
 			}).length;
 		}
 		// Warn if cascading protection being applied with an invalid protection level,
 		// which for edit protection will cause cascading to be silently stripped
 		if (ctx.protectCascade) {
 			// On move protection, this is technically stricter than the MW API,
 			// but seems reasonable to avoid dumb values and misleading log entries (T265626)
 			if (((!ctx.protectEdit || ctx.protectEdit.level !== 'sysop') ||
 				(!ctx.protectMove || ctx.protectMove.level !== 'sysop')) &amp;&amp;
 				!confirm('You have cascading protection enabled on &quot;' + ctx.pageName +
 				'&quot; but have not selected uniform sysop-level protection.\n\n' +
 				'Click OK to adjust and proceed with sysop-level cascading protection, or Cancel to skip this action.')) {
 				ctx.statusElement.error('Cascading protection was aborted.');
 				ctx.onProtectFailure(this);
 				return;
 			}
 
 			ctx.protectEdit.level = 'sysop';
 			ctx.protectMove.level = 'sysop';
 		}
 
 		// Build protection levels and expirys (expiries?) for query
 		var protections = [], expirys = [];
 		if (ctx.protectEdit) {
 			protections.push('edit=' + ctx.protectEdit.level);
 			expirys.push(ctx.protectEdit.expiry);
 		}
 
 		if (ctx.protectMove) {
 			protections.push('move=' + ctx.protectMove.level);
 			expirys.push(ctx.protectMove.expiry);
 		}
 
 		if (ctx.protectCreate) {
 			protections.push('create=' + ctx.protectCreate.level);
 			expirys.push(ctx.protectCreate.expiry);
 		}
 
 		var query = {
 			action: 'protect',
 			title: pageTitle,
 			token: token,
 			protections: protections.join('|'),
 			expiry: expirys.join('|'),
 			reason: ctx.editSummary,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 		// Only shows up in logs, not page history [[phab:T259983]]
 		if (ctx.changeTags) {
 			query.tags = ctx.changeTags;
 		}
 
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 		if (ctx.protectCascade) {
 			query.cascade = 'true';
 		}
 
 		ctx.protectProcessApi = new Morebits.wiki.api('protecting page...', query, ctx.onProtectSuccess, ctx.statusElement, ctx.onProtectFailure);
 		ctx.protectProcessApi.setParent(this);
 		ctx.protectProcessApi.post();
 	};
 
 	var fnProcessStabilize = function() {
 		var pageTitle, token;
 
 		if (fnCanUseMwUserToken('stabilize')) {
 			token = mw.user.tokens.get('csrfToken');
 			pageTitle = ctx.pageName;
 		} else {
 			var response = ctx.stabilizeApi.getResponse().query;
 
 			// 'stabilize' as a verb not necessarily well understood
 			if (!fnProcessChecks('stabilize', ctx.onStabilizeFailure, response)) {
 				return; // abort
 			}
 
 			token = response.tokens.csrftoken;
 			var page = response.pages[0];
 			pageTitle = page.title;
 			// Doesn't support watchlist expiry [[phab:T263336]]
 			// ctx.watched = page.watchlistexpiry || page.watched;
 		}
 
 		var query = {
 			action: 'stabilize',
 			title: pageTitle,
 			token: token,
 			protectlevel: ctx.flaggedRevs.level,
 			expiry: ctx.flaggedRevs.expiry,
 			// tags: ctx.changeTags, // flaggedrevs tag support: [[phab:T247721]]
 			reason: ctx.editSummary,
 			watchlist: ctx.watchlistOption,
 			format: 'json'
 		};
 
 		/* Doesn't support watchlist expiry [[phab:T263336]]
 		if (ctx.watchlistExpiry &amp;&amp; ctx.watched !== true) {
 			query.watchlistexpiry = ctx.watchlistExpiry;
 		}
 		*/
 
 		ctx.stabilizeProcessApi = new Morebits.wiki.api('configuring stabilization settings...', query, ctx.onStabilizeSuccess, ctx.statusElement, ctx.onStabilizeFailure);
 		ctx.stabilizeProcessApi.setParent(this);
 		ctx.stabilizeProcessApi.post();
 	};
 
 	var sleep = function(milliseconds) {
 		var deferred = $.Deferred();
 		setTimeout(deferred.resolve, milliseconds);
 		return deferred;
 	};
 
 }; // end Morebits.wiki.page
 
 /* Morebits.wiki.page TODO: (XXX)
 * - Should we retry loads also?
 * - Need to reset current action before the save?
 * - Deal with action.completed stuff
 * - Need to reset all parameters once done (e.g. edit summary, move destination, etc.)
 */
 
 
 /* **************** Morebits.wiki.preview **************** */
 /**
  * Use the API to parse a fragment of wikitext and render it as HTML.
  *
  * The suggested implementation pattern (in {@link Morebits.simpleWindow} and
  * {@link Morebits.quickForm} situations) is to construct a
  * `Morebits.wiki.preview` object after rendering a `Morebits.quickForm`, and
  * bind the object to an arbitrary property of the form (e.g. |previewer|).
  * For an example, see twinklewarn.js.
  *
  * @memberof Morebits.wiki
  * @class
  * @param {HTMLElement} previewbox - The element that will contain the rendered HTML,
  * usually a &lt;div&gt; element.
  */
 Morebits.wiki.preview = function(previewbox) {
 	this.previewbox = previewbox;
 	$(previewbox).addClass('morebits-previewbox').hide();
 
 	/**
 	 * Displays the preview box, and begins an asynchronous attempt
 	 * to render the specified wikitext.
 	 *
 	 * @param {string} wikitext - Wikitext to render; most things should work, including `subst:` and `~~~~`.
 	 * @param {string} [pageTitle] - Optional parameter for the page this should be rendered as being on, if omitted it is taken as the current page.
 	 * @param {string} [sectionTitle] - If provided, render the text as a new section using this as the title.
 	 */
 	this.beginRender = function(wikitext, pageTitle, sectionTitle) {
 		$(previewbox).show();
 
 		var statusspan = document.createElement('span');
 		previewbox.appendChild(statusspan);
 		Morebits.status.init(statusspan);
 
 		var query = {
 			action: 'parse',
 			prop: 'text',
 			pst: 'true',  // PST = pre-save transform; this makes substitution work properly
 			text: wikitext,
 			title: pageTitle || mw.config.get('wgPageName'),
 			disablelimitreport: true,
 			format: 'json'
 		};
 		if (sectionTitle) {
 			query.section = 'new';
 			query.sectiontitle = sectionTitle;
 		}
 		var renderApi = new Morebits.wiki.api('loading...', query, fnRenderSuccess, new Morebits.status('Preview'));
 		renderApi.post();
 	};
 
 	var fnRenderSuccess = function(apiobj) {
 		var html = apiobj.getResponse().parse.text;
 		if (!html) {
 			apiobj.statelem.error('failed to retrieve preview, or template was blanked');
 			return;
 		}
 		previewbox.innerHTML = html;
 		$(previewbox).find('a').attr('target', '_blank'); // this makes links open in new tab
 	};
 
 	/** Hides the preview box and clears it. */
 	this.closePreview = function() {
 		$(previewbox).empty().hide();
 	};
 };
 
 
 /* **************** Morebits.wikitext **************** */
 
 /**
  * Wikitext manipulation.
  *
  * @namespace Morebits.wikitext
  * @memberof Morebits
  */
 Morebits.wikitext = {};
 
 /**
  * Get the value of every parameter found in the wikitext of a given template.
  *
  * @memberof Morebits.wikitext
  * @param {string} text - Wikitext containing a template.
  * @param {number} [start=0] - Index noting where in the text the template begins.
  * @returns {object} `{name: templateName, parameters: {key: value}}`.
  */
 Morebits.wikitext.parseTemplate = function(text, start) {
 	start = start || 0;
 
 	var level = []; // Track of how deep we are ({{, {{{, or [[)
 	var count = -1;  // Number of parameters found
 	var unnamed = 0; // Keep track of what number an unnamed parameter should receive
 	var equals = -1; // After finding &quot;=&quot; before a parameter, the index; otherwise, -1
 	var current = '';
 	var result = {
 		name: '',
 		parameters: {}
 	};
 	var key, value;
 
 	/**
 	 * Function to handle finding parameter values.
 	 *
 	 * @param {boolean} [final=false] - Whether this is the final
 	 * parameter and we need to remove the trailing `}}`.
 	 */
 	function findParam(final) {
 		// Nothing found yet, this must be the template name
 		if (count === -1) {
 			result.name = current.substring(2).trim();
 			++count;
 		} else {
 			// In a parameter
 			if (equals !== -1) {
 				// We found an equals, so save the parameter as key: value
 				key = current.substring(0, equals).trim();
 				value = final ? current.substring(equals + 1, current.length - 2).trim() : current.substring(equals + 1).trim();
 				result.parameters[key] = value;
 				equals = -1;
 			} else {
 				// No equals, so it must be unnamed; no trim since whitespace allowed
 				var param = final ? current.substring(equals + 1, current.length - 2) : current;
 				if (param) {
 					result.parameters[++unnamed] = param;
 					++count;
 				}
 			}
 		}
 	}
 
 	for (var i = start; i &lt; text.length; ++i) {
 		var test3 = text.substr(i, 3);
 		if (test3 === '{{{' || (test3 === '}}}' &amp;&amp; level[level.length - 1] === 3)) {
 			current += test3;
 			i += 2;
 			if (test3 === '{{{') {
 				level.push(3);
 			} else {
 				level.pop();
 			}
 			continue;
 		}
 		var test2 = text.substr(i, 2);
 		// Entering a template (or link)
 		if (test2 === '{{' || test2 === '[[') {
 			current += test2;
 			++i;
 			if (test2 === '{{') {
 				level.push(2);
 			} else {
 				level.push('wl');
 			}
 			continue;
 		}
 		// Either leaving a link or template/parser function
 		if ((test2 === '}}' &amp;&amp; level[level.length - 1] === 2) ||
 			(test2 === ']]' &amp;&amp; level[level.length - 1] === 'wl')) {
 			current += test2;
 			++i;
 			level.pop();
 
 			// Find the final parameter if this really is the end
 			if (test2 === '}}' &amp;&amp; level.length === 0) {
 				findParam(true);
 				break;
 			}
 			continue;
 		}
 
 		if (text.charAt(i) === '|' &amp;&amp; level.length === 1) {
 			// Another pipe found, toplevel, so parameter coming up!
 			findParam();
 			current = '';
 		} else if (equals === -1 &amp;&amp; text.charAt(i) === '=' &amp;&amp; level.length === 1) {
 			// Equals found, toplevel
 			equals = current.length;
 			current += text.charAt(i);
 		} else {
 			// Just advance the position
 			current += text.charAt(i);
 		}
 	}
 
 	return result;
 };
 
 /**
  * Adjust and manipulate the wikitext of a page.
  *
  * @class
  * @memberof Morebits.wikitext
  * @param {string} text - Wikitext to be manipulated.
  */
 Morebits.wikitext.page = function mediawikiPage(text) {
 	this.text = text;
 };
 
 Morebits.wikitext.page.prototype = {
 	text: '',
 
 	/**
 	 * Removes links to `link_target` from the page text.
 	 *
 	 * @param {string} link_target
 	 * @returns {Morebits.wikitext.page}
 	 */
 	removeLink: function(link_target) {
 		// Rempve a leading colon, to be handled later
 		if (link_target.indexOf(':') === 0) {
 			link_target = link_target.slice(1);
 		}
 		var link_re_string = '', ns = '', title = link_target;
 
 		var idx = link_target.indexOf(':');
 		if (idx &gt; 0) {
 			ns = link_target.slice(0, idx);
 			title = link_target.slice(idx + 1);
 
 			link_re_string = Morebits.namespaceRegex(mw.config.get('wgNamespaceIds')[ns.toLowerCase().replace(/ /g, '_')]) + ':';
 		}
 		link_re_string += Morebits.pageNameRegex(title);
 
 		// Allow for an optional leading colon, e.g. [[:User:Test]]
 		// Files and Categories become links with a leading colon, e.g. [[:File:Test.png]]
 		var colon = new RegExp(Morebits.namespaceRegex([6, 14])).test(ns) ? ':' : ':?';
 
 		var link_simple_re = new RegExp('\\[\\[' + colon + '(' + link_re_string + ')\\]\\]', 'g');
 		var link_named_re = new RegExp('\\[\\[' + colon + link_re_string + '\\|(.+?)\\]\\]', 'g');
 		this.text = this.text.replace(link_simple_re, '$1').replace(link_named_re, '$1');
 		return this;
 	},
 
 	/**
 	 * Comments out images from page text; if used in a gallery, deletes the whole line.
 	 * If used as a template argument (not necessarily with `File:` prefix), the template parameter is commented out.
 	 *
 	 * @param {string} image - Image name without `File:` prefix.
 	 * @param {string} [reason] - Reason to be included in comment, alongside the commented-out image.
 	 * @returns {Morebits.wikitext.page}
 	 */
 	commentOutImage: function(image, reason) {
 		var unbinder = new Morebits.unbinder(this.text);
 		unbinder.unbind('&lt;!--', '--&gt;');
 
 		reason = reason ? reason + ': ' : '';
 		var image_re_string = Morebits.pageNameRegex(image);
 
 		// Check for normal image links, i.e. [[File:Foobar.png|...]]
 		// Will eat the whole link
 		var links_re = new RegExp('\\[\\[' + Morebits.namespaceRegex(6) + ':\\s*' + image_re_string + '\\s*[\\|(?:\\]\\])]');
 		var allLinks = Morebits.string.splitWeightedByKeys(unbinder.content, '[[', ']]');
 		for (var i = 0; i &lt; allLinks.length; ++i) {
 			if (links_re.test(allLinks[i])) {
 				var replacement = '&lt;!-- ' + reason + allLinks[i] + ' --&gt;';
 				unbinder.content = unbinder.content.replace(allLinks[i], replacement);
 			}
 		}
 		// unbind the newly created comments
 		unbinder.unbind('&lt;!--', '--&gt;');
 
 		// Check for gallery images, i.e. instances that must start on a new line,
 		// eventually preceded with some space, and must include File: prefix
 		// Will eat the whole line.
 		var gallery_image_re = new RegExp('(^\\s*' + Morebits.namespaceRegex(6) + ':\\s*' + image_re_string + '\\s*(?:\\|.*?$|$))', 'mg');
 		unbinder.content = unbinder.content.replace(gallery_image_re, '&lt;!-- ' + reason + '$1 --&gt;');
 
 		// unbind the newly created comments
 		unbinder.unbind('&lt;!--', '--&gt;');
 
 		// Check free image usages, for example as template arguments, might have the File: prefix excluded, but must be preceeded by an |
 		// Will only eat the image name and the preceeding bar and an eventual named parameter
 		var free_image_re = new RegExp('(\\|\\s*(?:[\\w\\s]+\\=)?\\s*(?:' + Morebits.namespaceRegex(6) + ':\\s*)?' + image_re_string + ')', 'mg');
 		unbinder.content = unbinder.content.replace(free_image_re, '&lt;!-- ' + reason + '$1 --&gt;');
 		// Rebind the content now, we are done!
 		this.text = unbinder.rebind();
 		return this;
 	},
 
 	/**
 	 * Converts uses of [[File:`image`]] to [[File:`image`|`data`]].
 	 *
 	 * @param {string} image - Image name without File: prefix.
 	 * @param {string} data - The display options.
 	 * @returns {Morebits.wikitext.page}
 	 */
 	addToImageComment: function(image, data) {
 		var image_re_string = Morebits.pageNameRegex(image);
 		var links_re = new RegExp('\\[\\[' + Morebits.namespaceRegex(6) + ':\\s*' + image_re_string + '\\s*[\\|(?:\\]\\])]');
 		var allLinks = Morebits.string.splitWeightedByKeys(this.text, '[[', ']]');
 		for (var i = 0; i &lt; allLinks.length; ++i) {
 			if (links_re.test(allLinks[i])) {
 				var replacement = allLinks[i];
 				// just put it at the end?
 				replacement = replacement.replace(/\]\]$/, '|' + data + ']]');
 				this.text = this.text.replace(allLinks[i], replacement);
 			}
 		}
 		var gallery_re = new RegExp('^(\\s*' + image_re_string + '.*?)\\|?(.*?)$', 'mg');
 		var newtext = '$1|$2 ' + data;
 		this.text = this.text.replace(gallery_re, newtext);
 		return this;
 	},
 
 	/**
 	 * Remove all transclusions of a template from page text.
 	 *
 	 * @param {string} template - Page name whose transclusions are to be removed,
 	 * include namespace prefix only if not in template namespace.
 	 * @returns {Morebits.wikitext.page}
 	 */
 	removeTemplate: function(template) {
 		var template_re_string = Morebits.pageNameRegex(template);
 		var links_re = new RegExp('\\{\\{(?:' + Morebits.namespaceRegex(10) + ':)?\\s*' + template_re_string + '\\s*[\\|(?:\\}\\})]');
 		var allTemplates = Morebits.string.splitWeightedByKeys(this.text, '{{', '}}', [ '{{{', '}}}' ]);
 		for (var i = 0; i &lt; allTemplates.length; ++i) {
 			if (links_re.test(allTemplates[i])) {
 				this.text = this.text.replace(allTemplates[i], '');
 			}
 		}
 		return this;
 	},
 
 	/**
 	 * Smartly insert a tag atop page text but after specified templates,
 	 * such as hatnotes, short description, or deletion and protection templates.
 	 * Notably, does *not* insert a newline after the tag.
 	 *
 	 * @param {string} tag - The tag to be inserted.
 	 * @param {string|string[]} regex - Templates after which to insert tag,
 	 * given as either as a (regex-valid) string or an array to be joined by pipes.
 	 * @param {string} [flags=i] - Regex flags to apply.  `''` to provide no flags;
 	 * other falsey values will default to `i`.
 	 * @param {string|string[]} [preRegex] - Optional regex string or array to match
 	 * before any template matches (i.e. before `{{`), such as html comments.
 	 * @returns {Morebits.wikitext.page}
 	 */
 	insertAfterTemplates: function(tag, regex, flags, preRegex) {
 		if (typeof tag === 'undefined') {
 			throw new Error('No tag provided');
 		}
 
 		// .length is only a property of strings and arrays so we
 		// shouldn't need to check type
 		if (typeof regex === 'undefined' || !regex.length) {
 			throw new Error('No regex provided');
 		} else if (Array.isArray(regex)) {
 			regex = regex.join('|');
 		}
 
 		if (typeof flags !== 'string') {
 			flags = 'i';
 		}
 
 		if (!preRegex || !preRegex.length) {
 			preRegex = '';
 		} else if (Array.isArray(preRegex)) {
 			preRegex = preRegex.join('|');
 		}
 
 
 		// Regex is extra complicated to allow for templates with
 		// parameters and to handle whitespace properly
 		this.text = this.text.replace(
 			new RegExp(
 				// leading whitespace
 				'^\\s*' +
 				// capture template(s)
 				'(?:((?:\\s*' +
 				// Pre-template regex, such as leading html comments
 				preRegex + '|' +
 				// begin template format
 				'\\{\\{\\s*(?:' +
 				// Template regex
 				regex +
 				// end main template name, optionally with a number
 				// Probably remove the (?:) though
 				')\\d*\\s*' +
 				// template parameters
 				'(\\|(?:\\{\\{[^{}]*\\}\\}|[^{}])*)?' +
 				// end template format
 				'\\}\\})+' +
 				// end capture
 				'(?:\\s*\\n)?)' +
 				// trailing whitespace
 				'\\s*)?',
 				flags), '$1' + tag
 		);
 		return this;
 	},
 
 	/**
 	 * Get the manipulated wikitext.
 	 *
 	 * @returns {string}
 	 */
 	getText: function() {
 		return this.text;
 	}
 };
 
 
 /* *********** Morebits.userspaceLogger ************ */
 /**
  * Handles logging actions to a userspace log.
  * Used in CSD, PROD, and XFD.
  *
  * @memberof Morebits
  * @class
  * @param {string} logPageName - Title of the subpage of the current user's log.
  */
 Morebits.userspaceLogger = function(logPageName) {
 	if (!logPageName) {
 		throw new Error('no log page name specified');
 	}
 	/**
 	 * The text to prefix the log with upon creation, defaults to empty.
 	 *
 	 * @type {string}
 	 */
 	this.initialText = '';
 	/**
 	 * The header level to use for months, defaults to 3 (`===`).
 	 *
 	 * @type {number}
 	 */
 	this.headerLevel = 3;
 	this.changeTags = '';
 
 	/**
 	 * Log the entry.
 	 *
 	 * @param {string} logText - Doesn't include leading `#` or `*`.
 	 * @param {string} summaryText - Edit summary.
 	 * @returns {JQuery.Promise}
 	 */
 	this.log = function(logText, summaryText) {
 		var def = $.Deferred();
 		if (!logText) {
 			return def.reject();
 		}
 		var page = new Morebits.wiki.page('User:' + mw.config.get('wgUserName') + '/' + logPageName,
 			'Adding entry to userspace log'); // make this '... to ' + logPageName ?
 		page.load(function(pageobj) {
 			// add blurb if log page doesn't exist or is blank
 			var text = pageobj.getPageText() || this.initialText;
 
 			// create monthly header if it doesn't exist already
 			var date = new Morebits.date(pageobj.getLoadTime());
 			if (!date.monthHeaderRegex().exec(text)) {
 				text += '\n\n' + date.monthHeader(this.headerLevel);
 			}
 
 			pageobj.setPageText(text + '\n' + logText);
 			pageobj.setEditSummary(summaryText);
 			pageobj.setChangeTags(this.changeTags);
 			pageobj.setCreateOption('recreate');
 			pageobj.save(def.resolve, def.reject);
 		}.bind(this));
 		return def;
 	};
 };
 
 
 /* **************** Morebits.status **************** */
 /**
  * Create and show status messages of varying urgency.
  * {@link Morebits.status.init|Morebits.status.init()} must be called before
  * any status object is created, otherwise those statuses won't be visible.
  *
  * @memberof Morebits
  * @class
  * @param {string} text - Text before the the colon `:`.
  * @param {string} stat - Text after the colon `:`.
  * @param {string} [type=status] - Determine the font color of the status
  * line, allowable values are: `status` (blue), `info` (green), `warn` (red),
  * or `error` (bold red).
  */
 
 Morebits.status = function Status(text, stat, type) {
 	this.textRaw = text;
 	this.text = this.codify(text);
 	this.type = type || 'status';
 	this.generate();
 	if (stat) {
 		this.update(stat, type);
 	}
 };
 
 /**
  * Specify an area for status message elements to be added to.
  *
  * @memberof Morebits.status
  * @param {HTMLElement} root - Usually a div element.
  * @throws If `root` is not an `HTMLElement`.
  */
 Morebits.status.init = function(root) {
 	if (!(root instanceof Element)) {
 		throw new Error('object not an instance of Element');
 	}
 	while (root.hasChildNodes()) {
 		root.removeChild(root.firstChild);
 	}
 	Morebits.status.root = root;
 	Morebits.status.errorEvent = null;
 };
 
 Morebits.status.root = null;
 
 /**
  * @memberof Morebits.status
  * @param {Function} handler - Function to execute on error.
  * @throws When `handler` is not a function.
  */
 Morebits.status.onError = function(handler) {
 	if (typeof handler === 'function') {
 		Morebits.status.errorEvent = handler;
 	} else {
 		throw 'Morebits.status.onError: handler is not a function';
 	}
 };
 
 Morebits.status.prototype = {
 	stat: null,
 	statRaw: null,
 	text: null,
 	textRaw: null,
 	type: 'status',
 	target: null,
 	node: null,
 	linked: false,
 
 	/** Add the status element node to the DOM. */
 	link: function() {
 		if (!this.linked &amp;&amp; Morebits.status.root) {
 			Morebits.status.root.appendChild(this.node);
 			this.linked = true;
 		}
 	},
 
 	/** Remove the status element node from the DOM. */
 	unlink: function() {
 		if (this.linked) {
 			Morebits.status.root.removeChild(this.node);
 			this.linked = false;
 		}
 	},
 
 	/**
 	 * Create a document fragment with the status text, parsing as HTML.
 	 * Runs upon construction for text (part before colon) and upon
 	 * render/update for status (part after colon).
 	 *
 	 * @param {(string|Element|Array)} obj
 	 * @returns {DocumentFragment}
 	 */
 	codify: function(obj) {
 		if (!Array.isArray(obj)) {
 			obj = [ obj ];
 		}
 		var result;
 		result = document.createDocumentFragment();
 		for (var i = 0; i &lt; obj.length; ++i) {
 			if (obj[i] instanceof Element) {
 				result.appendChild(obj[i]);
 			} else {
 				$.parseHTML(obj[i]).forEach(function(elem) {
 					result.appendChild(elem);
 				});
 			}
 		}
 		return result;
 
 	},
 
 	/**
 	 * Update the status.
 	 *
 	 * @param {string} status - Part of status message after colon.
 	 * @param {string} type - 'status' (blue), 'info' (green), 'warn'
 	 * (red), or 'error' (bold red).
 	 */
 	update: function(status, type) {
 		this.statRaw = status;
 		this.stat = this.codify(status);
 		if (type) {
 			this.type = type;
 			if (type === 'error') {
 				// hack to force the page not to reload when an error is output - see also Morebits.status() above
 				Morebits.wiki.numberOfActionsLeft = 1000;
 
 				// call error callback
 				if (Morebits.status.errorEvent) {
 					Morebits.status.errorEvent();
 				}
 
 				// also log error messages in the browser console
 				console.error(this.textRaw + ': ' + this.statRaw); // eslint-disable-line no-console
 			}
 		}
 		this.render();
 	},
 
 	/** Produce the html for first part of the status message. */
 	generate: function() {
 		this.node = document.createElement('div');
 		this.node.appendChild(document.createElement('span')).appendChild(this.text);
 		this.node.appendChild(document.createElement('span')).appendChild(document.createTextNode(': '));
 		this.target = this.node.appendChild(document.createElement('span'));
 		this.target.appendChild(document.createTextNode('')); // dummy node
 	},
 
 	/** Complete the html, for the second part of the status message. */
 	render: function() {
 		this.node.className = 'morebits_status_' + this.type;
 		while (this.target.hasChildNodes()) {
 			this.target.removeChild(this.target.firstChild);
 		}
 		this.target.appendChild(this.stat);
 		this.link();
 	},
 	status: function(status) {
 		this.update(status, 'status');
 	},
 	info: function(status) {
 		this.update(status, 'info');
 	},
 	warn: function(status) {
 		this.update(status, 'warn');
 	},
 	error: function(status) {
 		this.update(status, 'error');
 	}
 };
 /**
  * @memberof Morebits.status
  * @param {string} text - Before colon
  * @param {string} status - After colon
  * @returns {Morebits.status} - `status`-type (blue)
  */
 Morebits.status.status = function(text, status) {
 	return new Morebits.status(text, status);
 };
 /**
  * @memberof Morebits.status
  * @param {string} text - Before colon
  * @param {string} status - After colon
  * @returns {Morebits.status} - `info`-type (green)
  */
 Morebits.status.info = function(text, status) {
 	return new Morebits.status(text, status, 'info');
 };
 /**
  * @memberof Morebits.status
  * @param {string} text - Before colon
  * @param {string} status - After colon
  * @returns {Morebits.status} - `warn`-type (red)
  */
 Morebits.status.warn = function(text, status) {
 	return new Morebits.status(text, status, 'warn');
 };
 /**
  * @memberof Morebits.status
  * @param {string} text - Before colon
  * @param {string} status - After colon
  * @returns {Morebits.status} - `error`-type (bold red)
  */
 Morebits.status.error = function(text, status) {
 	return new Morebits.status(text, status, 'error');
 };
 
 /**
  * For the action complete message at the end, create a status line without
  * a colon separator.
  *
  * @memberof Morebits.status
  * @param {string} text
  */
 Morebits.status.actionCompleted = function(text) {
 	var node = document.createElement('div');
 	node.appendChild(document.createElement('b')).appendChild(document.createTextNode(text));
 	node.className = 'morebits_status_info';
 	if (Morebits.status.root) {
 		Morebits.status.root.appendChild(node);
 	}
 };
 
 /**
  * Display the user's rationale, comments, etc. Back to them after a failure,
  * so that they may re-use it.
  *
  * @memberof Morebits.status
  * @param {string} comments
  * @param {string} message
  */
 Morebits.status.printUserText = function(comments, message) {
 	var p = document.createElement('p');
 	p.innerHTML = message;
 	var div = document.createElement('div');
 	div.className = 'toccolours';
 	div.style.marginTop = '0';
 	div.style.whiteSpace = 'pre-wrap';
 	div.textContent = comments;
 	p.appendChild(div);
 	Morebits.status.root.appendChild(p);
 };
 
 
 
 /**
  * Simple helper function to create a simple node.
  *
  * @param {string} type - Type of HTML element.
  * @param {string} content - Text content.
  * @param {string} [color] - Font color.
  * @returns {HTMLElement}
  */
 Morebits.htmlNode = function (type, content, color) {
 	var node = document.createElement(type);
 	if (color) {
 		node.style.color = color;
 	}
 	node.appendChild(document.createTextNode(content));
 	return node;
 };
 
 
 
 /**
  * Add shift-click support for checkboxes. The wikibits version
  * (`window.addCheckboxClickHandlers`) has some restrictions, and doesn't work
  * with checkboxes inside a sortable table, so let's build our own.
  *
  * @param jQuerySelector
  * @param jQueryContext
  */
 Morebits.checkboxShiftClickSupport = function (jQuerySelector, jQueryContext) {
 	var lastCheckbox = null;
 
 	function clickHandler(event) {
 		var thisCb = this;
 		if (event.shiftKey &amp;&amp; lastCheckbox !== null) {
 			var cbs = $(jQuerySelector, jQueryContext); // can't cache them, obviously, if we want to support resorting
 			var index = -1, lastIndex = -1, i;
 			for (i = 0; i &lt; cbs.length; i++) {
 				if (cbs[i] === thisCb) {
 					index = i;
 					if (lastIndex &gt; -1) {
 						break;
 					}
 				}
 				if (cbs[i] === lastCheckbox) {
 					lastIndex = i;
 					if (index &gt; -1) {
 						break;
 					}
 				}
 			}
 
 			if (index &gt; -1 &amp;&amp; lastIndex &gt; -1) {
 				// inspired by wikibits
 				var endState = thisCb.checked;
 				var start, finish;
 				if (index &lt; lastIndex) {
 					start = index + 1;
 					finish = lastIndex;
 				} else {
 					start = lastIndex;
 					finish = index - 1;
 				}
 
 				for (i = start; i &lt;= finish; i++) {
 					if (cbs[i].checked !== endState) {
 						cbs[i].click();
 					}
 				}
 			}
 		}
 		lastCheckbox = thisCb;
 		return true;
 	}
 
 	$(jQuerySelector, jQueryContext).click(clickHandler);
 };
 
 
 
 /* **************** Morebits.batchOperation **************** */
 /**
  * Iterates over a group of pages (or arbitrary objects) and executes a worker function
  * for each.
  *
  * `setPageList(pageList)`: Sets the list of pages to work on. It should be an
  * array of page names strings.
  *
  * `setOption(optionName, optionValue)`: Sets a known option:
  * - `chunkSize` (integer): The size of chunks to break the array into (default
  * 50). Setting this to a small value (&lt;5) can cause problems.
  * - `preserveIndividualStatusLines` (boolean): Keep each page's status element
  * visible when worker is complete? See note below.
  *
  * `run(worker, postFinish)`: Runs the callback `worker` for each page in the
  * list.  The callback must call `workerSuccess` when succeeding, or
  * `workerFailure` when failing.  If using {@link Morebits.wiki.api} or
  * {@link Morebits.wiki.page}, this is easily done by passing these two
  * functions as parameters to the methods on those objects: for instance,
  * `page.save(batchOp.workerSuccess, batchOp.workerFailure)`.  Make sure the
  * methods are called directly if special success/failure cases arise.  If you
  * omit to call these methods, the batch operation will stall after the first
  * chunk!  Also ensure that either workerSuccess or workerFailure is called no
  * more than once.  The second callback `postFinish` is executed when the
  * entire batch has been processed.
  *
  * If using `preserveIndividualStatusLines`, you should try to ensure that the
  * `workerSuccess` callback has access to the page title.  This is no problem for
  * {@link Morebits.wiki.page} objects.  But when using the API, please set the
  * |pageName| property on the {@link Morebits.wiki.api} object.
  *
  * There are sample batchOperation implementations using Morebits.wiki.page in
  * twinklebatchdelete.js, twinklebatchundelete.js, and twinklebatchprotect.js.
  *
  * @memberof Morebits
  * @class
  * @param {string} [currentAction]
  */
 Morebits.batchOperation = function(currentAction) {
 	var ctx = {
 		// backing fields for public properties
 		pageList: null,
 		options: {
 			chunkSize: 50,
 			preserveIndividualStatusLines: false
 		},
 
 		// internal counters, etc.
 		statusElement: new Morebits.status(currentAction || 'Performing batch operation'),
 		worker: null, // function that executes for each item in pageList
 		postFinish: null, // function that executes when the whole batch has been processed
 		countStarted: 0,
 		countFinished: 0,
 		countFinishedSuccess: 0,
 		currentChunkIndex: -1,
 		pageChunks: [],
 		running: false
 	};
 
 	// shouldn't be needed by external users, but provided anyway for maximum flexibility
 	this.getStatusElement = function() {
 		return ctx.statusElement;
 	};
 
 	/**
 	 * Sets the list of pages to work on.
 	 *
 	 * @param {Array} pageList - Array of objects over which you wish to execute the worker function
 	 * This is usually the list of page names (strings).
 	 */
 	this.setPageList = function(pageList) {
 		ctx.pageList = pageList;
 	};
 
 	/**
 	 * Sets a known option.
 	 *
 	 * @param {string} optionName - Name of the option:
 	 * - chunkSize (integer): The size of chunks to break the array into
 	 * (default 50). Setting this to a small value (&lt;5) can cause problems.
 	 * - preserveIndividualStatusLines (boolean): Keep each page's status
 	 * element visible when worker is complete?
 	 * @param {number|boolean} optionValue - Value to which the option is
 	 * to be set. Should be an integer for chunkSize and a boolean for
 	 * preserveIndividualStatusLines.
 	 */
 	this.setOption = function(optionName, optionValue) {
 		ctx.options[optionName] = optionValue;
 	};
 
 	/**
 	 * Runs the first callback for each page in the list.
 	 * The callback must call workerSuccess when succeeding, or workerFailure when failing.
 	 * Runs the optional second callback when the whole batch has been processed.
 	 *
 	 * @param {Function} worker
 	 * @param {Function} [postFinish]
 	 */
 	this.run = function(worker, postFinish) {
 		if (ctx.running) {
 			ctx.statusElement.error('Batch operation is already running');
 			return;
 		}
 		ctx.running = true;
 
 		ctx.worker = worker;
 		ctx.postFinish = postFinish;
 		ctx.countStarted = 0;
 		ctx.countFinished = 0;
 		ctx.countFinishedSuccess = 0;
 		ctx.currentChunkIndex = -1;
 		ctx.pageChunks = [];
 
 		var total = ctx.pageList.length;
 		if (!total) {
 			ctx.statusElement.info('no pages specified');
 			ctx.running = false;
 			if (ctx.postFinish) {
 				ctx.postFinish();
 			}
 			return;
 		}
 
 		// chunk page list into more manageable units
 		ctx.pageChunks = Morebits.array.chunk(ctx.pageList, ctx.options.chunkSize);
 
 		// start the process
 		Morebits.wiki.addCheckpoint();
 		ctx.statusElement.status('0%');
 		fnStartNewChunk();
 	};
 
 	/**
 	 * To be called by worker before it terminates succesfully.
 	 *
 	 * @param {(Morebits.wiki.page|Morebits.wiki.api|string)} arg -
 	 * This should be the `Morebits.wiki.page` or `Morebits.wiki.api` object used by worker
 	 * (for the adjustment of status lines emitted by them).
 	 * If no Morebits.wiki.* object is used (e.g. you're using `mw.Api()` or something else), and
 	 * `preserveIndividualStatusLines` option is on, give the page name (string) as argument.
 	 */
 	this.workerSuccess = function(arg) {
 
 		var createPageLink = function(pageName) {
 			var link = document.createElement('a');
 			link.setAttribute('href', mw.util.getUrl(pageName));
 			link.appendChild(document.createTextNode(pageName));
 			return link;
 		};
 
 		if (arg instanceof Morebits.wiki.api || arg instanceof Morebits.wiki.page) {
 			// update or remove status line
 			var statelem = arg.getStatusElement();
 			if (ctx.options.preserveIndividualStatusLines) {
 				if (arg.getPageName || arg.pageName || (arg.query &amp;&amp; arg.query.title)) {
 					// we know the page title - display a relevant message
 					var pageName = arg.getPageName ? arg.getPageName() : arg.pageName || arg.query.title;
 					statelem.info(['completed (', createPageLink(pageName), ')']);
 				} else {
 					// we don't know the page title - just display a generic message
 					statelem.info('done');
 				}
 			} else {
 				// remove the status line automatically produced by Morebits.wiki.*
 				statelem.unlink();
 			}
 
 		} else if (typeof arg === 'string' &amp;&amp; ctx.options.preserveIndividualStatusLines) {
 			new Morebits.status(arg, ['done (', createPageLink(arg), ')']);
 		}
 
 		ctx.countFinishedSuccess++;
 		fnDoneOne();
 	};
 
 	this.workerFailure = function() {
 		fnDoneOne();
 	};
 
 	// private functions
 
 	var thisProxy = this;
 
 	var fnStartNewChunk = function() {
 		var chunk = ctx.pageChunks[++ctx.currentChunkIndex];
 		if (!chunk) {
 			return;  // done! yay
 		}
 
 		// start workers for the current chunk
 		ctx.countStarted += chunk.length;
 		chunk.forEach(function(page) {
 			ctx.worker(page, thisProxy);
 		});
 	};
 
 	var fnDoneOne = function() {
 		ctx.countFinished++;
 
 		// update overall status line
 		var total = ctx.pageList.length;
 		if (ctx.countFinished &lt; total) {
 			ctx.statusElement.status(parseInt(100 * ctx.countFinished / total, 10) + '%');
 
 			// start a new chunk if we're close enough to the end of the previous chunk, and
 			// we haven't already started the next one
 			if (ctx.countFinished &gt;= (ctx.countStarted - Math.max(ctx.options.chunkSize / 10, 2)) &amp;&amp;
 				Math.floor(ctx.countFinished / ctx.options.chunkSize) &gt; ctx.currentChunkIndex) {
 				fnStartNewChunk();
 			}
 		} else if (ctx.countFinished === total) {
 			var statusString = 'Done (' + ctx.countFinishedSuccess +
 				'/' + ctx.countFinished + ' actions completed successfully)';
 			if (ctx.countFinishedSuccess &lt; ctx.countFinished) {
 				ctx.statusElement.warn(statusString);
 			} else {
 				ctx.statusElement.info(statusString);
 			}
 			if (ctx.postFinish) {
 				ctx.postFinish();
 			}
 			Morebits.wiki.removeCheckpoint();
 			ctx.running = false;
 		} else {
 			// ctx.countFinished &gt; total
 			// just for giggles! (well, serious debugging, actually)
 			ctx.statusElement.warn('Done (overshot by ' + (ctx.countFinished - total) + ')');
 			Morebits.wiki.removeCheckpoint();
 			ctx.running = false;
 		}
 	};
 };
 
 /**
  * Given a set of asynchronous functions to run along with their dependencies,
  * figure out an efficient sequence of running them so that multiple functions
  * that don't depend on each other are triggered simultaneously. Where
  * dependencies exist, it ensures that the dependency functions finish running
  * before the dependent function runs. The values resolved by the dependencies
  * are made available to the dependant as arguments.
  *
  * @memberof Morebits
  * @class
  */
 Morebits.taskManager = function() {
 	this.taskDependencyMap = new Map();
 	this.deferreds = new Map();
 	this.allDeferreds = []; // Hack: IE doesn't support Map.prototype.values
 
 	/**
 	 * Register a task along with its dependencies (tasks which should have finished
 	 * execution before we can begin this one). Each task is a function that must return
 	 * a promise. The function will get the values resolved by the dependency functions
 	 * as arguments.
 	 *
 	 * @param {Function} func - A task.
 	 * @param {Function[]} deps - Its dependencies.
 	 */
 	this.add = function(func, deps) {
 		this.taskDependencyMap.set(func, deps);
 		var deferred = $.Deferred();
 		this.deferreds.set(func, deferred);
 		this.allDeferreds.push(deferred);
 	};
 
 	/**
 	 * Run all the tasks. Multiple tasks may be run at once.
 	 *
 	 * @returns {promise} - A jQuery promise object that is resolved or rejected with the api object.
 	 */
 	this.execute = function() {
 		var self = this; // proxy for `this` for use inside functions where `this` is something else
 		this.taskDependencyMap.forEach(function(deps, task) {
 			var dependencyPromisesArray = deps.map(function(dep) {
 				return self.deferreds.get(dep);
 			});
 			$.when.apply(null, dependencyPromisesArray).then(function() {
 				task.apply(null, arguments).then(function() {
 					self.deferreds.get(task).resolve.apply(null, arguments);
 				});
 			});
 		});
 		return $.when.apply(null, this.allDeferreds); // resolved when everything is done!
 	};
 
 };
 
 /**
  * A simple draggable window, now a wrapper for jQuery UI's dialog feature.
  *
  * @memberof Morebits
  * @class
  * @requires jquery.ui
  * @param {number} width
  * @param {number} height - The maximum allowable height for the content area.
  */
 Morebits.simpleWindow = function SimpleWindow(width, height) {
 	var content = document.createElement('div');
 	this.content = content;
 	content.className = 'morebits-dialog-content';
 	content.id = 'morebits-dialog-content-' + Math.round(Math.random() * 1e15);
 
 	this.height = height;
 
 	$(this.content).dialog({
 		autoOpen: false,
 		buttons: { 'Placeholder button': function() {} },
 		dialogClass: 'morebits-dialog',
 		width: Math.min(parseInt(window.innerWidth, 10), parseInt(width ? width : 800, 10)),
 		// give jQuery the given height value (which represents the anticipated height of the dialog) here, so
 		// it can position the dialog appropriately
 		// the 20 pixels represents adjustment for the extra height of the jQuery dialog &quot;chrome&quot;, compared
 		// to that of the old SimpleWindow
 		height: height + 20,
 		close: function(event) {
 			// dialogs and their content can be destroyed once closed
 			$(event.target).dialog('destroy').remove();
 		},
 		resizeStart: function() {
 			this.scrollbox = $(this).find('.morebits-scrollbox')[0];
 			if (this.scrollbox) {
 				this.scrollbox.style.maxHeight = 'none';
 			}
 		},
 		resizeEnd: function() {
 			this.scrollbox = null;
 		},
 		resize: function() {
 			this.style.maxHeight = '';
 			if (this.scrollbox) {
 				this.scrollbox.style.width = '';
 			}
 		}
 	});
 
 	var $widget = $(this.content).dialog('widget');
 
 	// delete the placeholder button (it's only there so the buttonpane gets created)
 	$widget.find('button').each(function(key, value) {
 		value.parentNode.removeChild(value);
 	});
 
 	// add container for the buttons we add, and the footer links (if any)
 	var buttonspan = document.createElement('span');
 	buttonspan.className = 'morebits-dialog-buttons';
 	var linksspan = document.createElement('span');
 	linksspan.className = 'morebits-dialog-footerlinks';
 	$widget.find('.ui-dialog-buttonpane').append(buttonspan, linksspan);
 
 	// resize the scrollbox with the dialog, if one is present
 	$widget.resizable('option', 'alsoResize', '#' + this.content.id + ' .morebits-scrollbox, #' + this.content.id);
 };
 
 Morebits.simpleWindow.prototype = {
 	buttons: [],
 	height: 600,
 	hasFooterLinks: false,
 	scriptName: null,
 
 	/**
 	 * Focuses the dialog. This might work, or on the contrary, it might not.
 	 *
 	 * @returns {Morebits.simpleWindow}
 	 */
 	focus: function() {
 		$(this.content).dialog('moveToTop');
 		return this;
 	},
 
 	/**
 	 * Closes the dialog. If this is set as an event handler, it will stop the event
 	 * from doing anything more.
 	 *
 	 * @param {event} [event]
 	 * @returns {Morebits.simpleWindow}
 	 */
 	close: function(event) {
 		if (event) {
 			event.preventDefault();
 		}
 		$(this.content).dialog('close');
 		return this;
 	},
 
 	/**
 	 * Shows the dialog. Calling display() on a dialog that has previously been closed
 	 * might work, but it is not guaranteed.
 	 *
 	 * @returns {Morebits.simpleWindow}
 	 */
 	display: function() {
 		if (this.scriptName) {
 			var $widget = $(this.content).dialog('widget');
 			$widget.find('.morebits-dialog-scriptname').remove();
 			var scriptnamespan = document.createElement('span');
 			scriptnamespan.className = 'morebits-dialog-scriptname';
 			scriptnamespan.textContent = this.scriptName + ' \u00B7 ';  // U+00B7 MIDDLE DOT = &amp;middot;
 			$widget.find('.ui-dialog-title').prepend(scriptnamespan);
 		}
 
 		var dialog = $(this.content).dialog('open');
 		if (window.setupTooltips &amp;&amp; window.pg &amp;&amp; window.pg.re &amp;&amp; window.pg.re.diff) {  // tie in with NAVPOP
 			dialog.parent()[0].ranSetupTooltipsAlready = false;
 			window.setupTooltips(dialog.parent()[0]);
 		}
 		this.setHeight(this.height);  // init height algorithm
 		return this;
 	},
 
 	/**
 	 * Sets the dialog title.
 	 *
 	 * @param {string} title
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setTitle: function(title) {
 		$(this.content).dialog('option', 'title', title);
 		return this;
 	},
 
 	/**
 	 * Sets the script name, appearing as a prefix to the title to help users determine which
 	 * user script is producing which dialog. For instance, Twinkle modules set this to &quot;Twinkle&quot;.
 	 *
 	 * @param {string} name
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setScriptName: function(name) {
 		this.scriptName = name;
 		return this;
 	},
 
 	/**
 	 * Sets the dialog width.
 	 *
 	 * @param {number} width
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setWidth: function(width) {
 		$(this.content).dialog('option', 'width', width);
 		return this;
 	},
 
 	/**
 	 * Sets the dialog's maximum height. The dialog will auto-size to fit its contents,
 	 * but the content area will grow no larger than the height given here.
 	 *
 	 * @param {number} height
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setHeight: function(height) {
 		this.height = height;
 
 		// from display time onwards, let the browser determine the optimum height,
 		// and instead limit the height at the given value
 		// note that the given height will exclude the approx. 20px that the jQuery UI
 		// chrome has in height in addition to the height of an equivalent &quot;classic&quot;
 		// Morebits.simpleWindow
 		if (parseInt(getComputedStyle($(this.content).dialog('widget')[0], null).height, 10) &gt; window.innerHeight) {
 			$(this.content).dialog('option', 'height', window.innerHeight - 2).dialog('option', 'position', 'top');
 		} else {
 			$(this.content).dialog('option', 'height', 'auto');
 		}
 		$(this.content).dialog('widget').find('.morebits-dialog-content')[0].style.maxHeight = parseInt(this.height - 30, 10) + 'px';
 		return this;
 	},
 
 	/**
 	 * Sets the content of the dialog to the given element node, usually from rendering
 	 * a {@link Morebits.quickForm}.
 	 * Re-enumerates the footer buttons, but leaves the footer links as they are.
 	 * Be sure to call this at least once before the dialog is displayed...
 	 *
 	 * @param {HTMLElement} content
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setContent: function(content) {
 		this.purgeContent();
 		this.addContent(content);
 		return this;
 	},
 
 	/**
 	 * Adds the given element node to the dialog content.
 	 *
 	 * @param {HTMLElement} content
 	 * @returns {Morebits.simpleWindow}
 	 */
 	addContent: function(content) {
 		this.content.appendChild(content);
 
 		// look for submit buttons in the content, hide them, and add a proxy button to the button pane
 		var thisproxy = this;
 		$(this.content).find('input[type=&quot;submit&quot;], button[type=&quot;submit&quot;]').each(function(key, value) {
 			value.style.display = 'none';
 			var button = document.createElement('button');
 			button.textContent = value.hasAttribute('value') ? value.getAttribute('value') : value.textContent ? value.textContent : 'Submit Query';
 			button.className = value.className || 'submitButtonProxy';
 			// here is an instance of cheap coding, probably a memory-usage hit in using a closure here
 			button.addEventListener('click', function() {
 				value.click();
 			}, false);
 			thisproxy.buttons.push(button);
 		});
 		// remove all buttons from the button pane and re-add them
 		if (this.buttons.length &gt; 0) {
 			$(this.content).dialog('widget').find('.morebits-dialog-buttons').empty().append(this.buttons)[0].removeAttribute('data-empty');
 		} else {
 			$(this.content).dialog('widget').find('.morebits-dialog-buttons')[0].setAttribute('data-empty', 'data-empty');  // used by CSS
 		}
 		return this;
 	},
 
 	/**
 	 * Removes all contents from the dialog, barring any footer links.
 	 *
 	 * @returns {Morebits.simpleWindow}
 	 */
 	purgeContent: function() {
 		this.buttons = [];
 		// delete all buttons in the buttonpane
 		$(this.content).dialog('widget').find('.morebits-dialog-buttons').empty();
 
 		while (this.content.hasChildNodes()) {
 			this.content.removeChild(this.content.firstChild);
 		}
 		return this;
 	},
 
 	/**
 	 * Adds a link in the bottom-right corner of the dialog.
 	 * This can be used to provide help or policy links.
 	 * For example, Twinkle's CSD module adds a link to the CSD policy page,
 	 * as well as a link to Twinkle's documentation.
 	 *
 	 * @param {string} text - Display text.
 	 * @param {string} wikiPage - Link target.
 	 * @param {boolean} [prep=false] - Set true to prepend rather than append.
 	 * @returns {Morebits.simpleWindow}
 	 */
 	addFooterLink: function(text, wikiPage, prep) {
 		var $footerlinks = $(this.content).dialog('widget').find('.morebits-dialog-footerlinks');
 		if (this.hasFooterLinks) {
 			var bullet = document.createElement('span');
 			bullet.textContent = ' \u2022 ';  // U+2022 BULLET
 			if (prep) {
 				$footerlinks.prepend(bullet);
 			} else {
 				$footerlinks.append(bullet);
 			}
 		}
 		var link = document.createElement('a');
 		link.setAttribute('href', mw.util.getUrl(wikiPage));
 		link.setAttribute('title', wikiPage);
 		link.setAttribute('target', '_blank');
 		link.textContent = text;
 		if (prep) {
 			$footerlinks.prepend(link);
 		} else {
 			$footerlinks.append(link);
 		}
 		this.hasFooterLinks = true;
 		return this;
 	},
 
 	/**
 	 * Sets whether the window should be modal or not. Modal dialogs create
 	 * an overlay below the dialog but above other page elements. This
 	 * must be used (if necessary) before calling display().
 	 *
 	 * @param {boolean} [modal=false] - If set to true, other items on the
 	 * page will be disabled, i.e., cannot be interacted with.
 	 * @returns {Morebits.simpleWindow}
 	 */
 	setModality: function(modal) {
 		$(this.content).dialog('option', 'modal', modal);
 		return this;
 	}
 };
 
 /**
  * Enables or disables all footer buttons on all {@link Morebits.simpleWindow}s in the current page.
  * This should be called with `false` when the button(s) become irrelevant (e.g. just before
  * {@link Morebits.status.init} is called).
  * This is not an instance method so that consumers don't have to keep a reference to the
  * original `Morebits.simpleWindow` object sitting around somewhere. Anyway, most of the time
  * there will only be one `Morebits.simpleWindow` open, so this shouldn't matter.
  *
  * @memberof Morebits.simpleWindow
  * @param {boolean} enabled
  */
 Morebits.simpleWindow.setButtonsEnabled = function(enabled) {
 	$('.morebits-dialog-buttons button').prop('disabled', !enabled);
 };
 
 
 }(window, document, jQuery)); // End wrap with anonymous function
 
 
 /**
  * If this script is being executed outside a ResourceLoader context, we add some
  * global assignments for legacy scripts, hopefully these can be removed down the line.
  *
  * IMPORTANT NOTE:
  * PLEASE DO NOT USE THESE ALIASES IN NEW CODE!
  * Thanks.
  */
 
 if (typeof arguments === 'undefined') {  // typeof is here for a reason...
 	/* global Morebits */
 	window.SimpleWindow = Morebits.simpleWindow;
 	window.QuickForm = Morebits.quickForm;
 	window.Wikipedia = Morebits.wiki;
 	window.Status = Morebits.status;
 }