Remove padding from the comment notification emails which is from a bygone fixed-width font era. Prevents alignment issues in email clients which use vairable width fonts for plain text emails. Fixes #16721. Props DrewAPicture.

git-svn-id: https://develop.svn.wordpress.org/trunk@30015 602fd350-edb4-49c9-b593-d223f7449a82
Accept 'orderby=include' in `WP_User_Query`.

This lets the results of a user query be sorted manually by the value of the
'include' param.

Props jipmoors.
Fixes #30064.

git-svn-id: https://develop.svn.wordpress.org/trunk@30016 602fd350-edb4-49c9-b593-d223f7449a82
Streamline `WP_User_Query` unit tests.

* Don't create user during setUp(), as it's not used in every test.
* Create fewer users in `get_all` and `orderby` tests.

See #30017.

git-svn-id: https://develop.svn.wordpress.org/trunk@30017 602fd350-edb4-49c9-b593-d223f7449a82
Fix an invalid type for the `$section` parameter in the `do_settings_fields()` DocBlock.

Props ipm-frommen.
See #30098.


git-svn-id: https://develop.svn.wordpress.org/trunk@30018 602fd350-edb4-49c9-b593-d223f7449a82
Fix the `$location` parameter type in the `unregister_nav_menu()` DocBlock.

`$location` is a string, not an array.

Props ipm-frommen.
Fixes #30098.


git-svn-id: https://develop.svn.wordpress.org/trunk@30019 602fd350-edb4-49c9-b593-d223f7449a82
Users screen in network admin:
* Remove unused $key variables.
* Rename $val to $user_id for clarity.

props ipm-frommen.
fixes #30096.

git-svn-id: https://develop.svn.wordpress.org/trunk@30020 602fd350-edb4-49c9-b593-d223f7449a82
Fix a copy/paste issue in Custom_Image_Header::get_header_dimensions() introduced in [27497].

props ipm-frommen.
fixes #30095.

git-svn-id: https://develop.svn.wordpress.org/trunk@30021 602fd350-edb4-49c9-b593-d223f7449a82
Remove one-time loop and redundant isset() checks.

props ipm-frommen.
fixes #30093.

git-svn-id: https://develop.svn.wordpress.org/trunk@30022 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: Add Foursquare icon support to the social link menu. 

props iamtakashi.
fixes #30100.

git-svn-id: https://develop.svn.wordpress.org/trunk@30023 602fd350-edb4-49c9-b593-d223f7449a82
Fix JSHint errors introduced in [30014].

props adamsilverstein.
see #29572.

git-svn-id: https://develop.svn.wordpress.org/trunk@30024 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fifteen: If the sidebar is taller than the viewport scroll it with the content, if it's shorter keep it fixed.

Props mattwiebe, iamtakashi, avryl, fixes #29979.



git-svn-id: https://develop.svn.wordpress.org/trunk@30025 602fd350-edb4-49c9-b593-d223f7449a82
Fix 'count' in `WP_Comment_Query` when using 'meta_query'.

Props heshiming, desaiuditd.
Fixes #23369.

git-svn-id: https://develop.svn.wordpress.org/trunk@30026 602fd350-edb4-49c9-b593-d223f7449a82
Add labels to the Personal Options input fields on the user profile editing screen. Fixes #30101. Props Ankit K Gupta

git-svn-id: https://develop.svn.wordpress.org/trunk@30027 602fd350-edb4-49c9-b593-d223f7449a82
Introduce an `edit_form_before_permalink` action which gets fired after the title field but before the permalink fields. Fixes #29691. Props captaintheme

git-svn-id: https://develop.svn.wordpress.org/trunk@30028 602fd350-edb4-49c9-b593-d223f7449a82
Optimize site query when performing network database upgrades

We only use `blog_id` from the query, so we don't need a wildcard.

props marcosf
Fixes #30097


git-svn-id: https://develop.svn.wordpress.org/trunk@30029 602fd350-edb4-49c9-b593-d223f7449a82
In `wp_link_pages()`, only output link separators between actual pagination links. Fixes #24940. Props obenland.

git-svn-id: https://develop.svn.wordpress.org/trunk@30030 602fd350-edb4-49c9-b593-d223f7449a82
Improve `WP_Tax_Query` param sanitization for empty strings.

When an empty string is passed as one of the clauses in the `$tax_query`
parameter, it should be discarded rather than parsed as a first-order clause.

Props tmtrademark.
Fixes #30117.

git-svn-id: https://develop.svn.wordpress.org/trunk@30031 602fd350-edb4-49c9-b593-d223f7449a82
Cast class names to an array to avoid a potential warning.

props briandichiara
fixes #29743

git-svn-id: https://develop.svn.wordpress.org/trunk@30032 602fd350-edb4-49c9-b593-d223f7449a82
Rename `_wp_password_hint()` to `_wp_get_password_hint()` to bring it inline with core terminology. Fixes #21243.

git-svn-id: https://develop.svn.wordpress.org/trunk@30033 602fd350-edb4-49c9-b593-d223f7449a82
Add a missing asterisk in the DocBlock for `write_post()`.

Also removes several `@uses` tags, which are no longer leveraged as part of the inline documentation standard.

Props tareq1988.
Fixes #30118.


git-svn-id: https://develop.svn.wordpress.org/trunk@30034 602fd350-edb4-49c9-b593-d223f7449a82