Add parameter and return descriptions to the `WP_List_Table::get_pagination_arg()` DocBlock.

See #30224.

Built from https://develop.svn.wordpress.org/trunk@30225


git-svn-id: http://core.svn.wordpress.org/trunk@30225 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Merge a multi-line comment into a single-line comment in wp-includes/link-template.php.

See [30166]. See #30224.

Built from https://develop.svn.wordpress.org/trunk@30226


git-svn-id: http://core.svn.wordpress.org/trunk@30226 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix a couple of typos in the hook documentation for the `$option` filter in wp-admin/includes/class-wp-list-table.php.

Props bobbingwide.
Fixes #30229.

Built from https://develop.svn.wordpress.org/trunk@30227


git-svn-id: http://core.svn.wordpress.org/trunk@30227 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Ensure the requires for the admin bootstrap are documented in all wp-admin/user/ files.

Props NikV for the initial patch.
Fixes #29111.

Built from https://develop.svn.wordpress.org/trunk@30228


git-svn-id: http://core.svn.wordpress.org/trunk@30228 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: Crashing chrome if you don't have Noto installed probably isn't the best experience  -- removing font kerning.

Props iamtakashi, fixes #30195

Built from https://develop.svn.wordpress.org/trunk@30229


git-svn-id: http://core.svn.wordpress.org/trunk@30229 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: Simplify the header, sidebar, background controls and make customization faster for users to do. This has the added benefit of fixing our bug where hidden header text wasn't being updated on color scheme switch. Nice.

Props celloexpressions, iamtakashi, fixes #30164 and #29980.

Built from https://develop.svn.wordpress.org/trunk@30230


git-svn-id: http://core.svn.wordpress.org/trunk@30230 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: accessible alt text for post thumbnail links.

Props joedolson, fixes #30076.


Built from https://develop.svn.wordpress.org/trunk@30231


git-svn-id: http://core.svn.wordpress.org/trunk@30231 1a063a9b-81f0-0310-95a4-ce76da25c4cd