Twenty Fourteen: add documentation for global variables used in `twentyfourteen_wp_title()`. Closes #28421.
Built from https://develop.svn.wordpress.org/trunk@28661


git-svn-id: http://core.svn.wordpress.org/trunk@28479 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: fix layout issue with search form in older versions of Safari and Android. Fixes #24192, props iljoja.
Built from https://develop.svn.wordpress.org/trunk@28662


git-svn-id: http://core.svn.wordpress.org/trunk@28480 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fourteen: apply `.widget` input and textarea styles only if they are inside `.widget-area`. Props jesin, fixes #27677.
Built from https://develop.svn.wordpress.org/trunk@28663


git-svn-id: http://core.svn.wordpress.org/trunk@28481 1a063a9b-81f0-0310-95a4-ce76da25c4cd
After [28613], also kill queries that explicityly pass empty arrays to `category__in`, `tag__in`, `tag_slug__in`, and `author__in` to `WP_Query`.

Adds unit tests.
Fixes #28099.

Built from https://develop.svn.wordpress.org/trunk@28664


git-svn-id: http://core.svn.wordpress.org/trunk@28482 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Wrap individual meta query `WHERE` clases in parens, missed in `28659`.

Props boonebgorges.
Fixes #25538.


Built from https://develop.svn.wordpress.org/trunk@28665


git-svn-id: http://core.svn.wordpress.org/trunk@28483 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Prevent admin breakage for `s` in `WP_Query` after [28623].

See #11330.


Built from https://develop.svn.wordpress.org/trunk@28666


git-svn-id: http://core.svn.wordpress.org/trunk@28484 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Avoid a PHP notice when using WP_Query::get_queried_object() in pre_get_posts action.

props wpsmith.
fixes #28412.
Built from https://develop.svn.wordpress.org/trunk@28667


git-svn-id: http://core.svn.wordpress.org/trunk@28485 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Move is_admin check to a more appropriate place.

see #11330.
Built from https://develop.svn.wordpress.org/trunk@28668


git-svn-id: http://core.svn.wordpress.org/trunk@28486 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add 'wp_title_parts' filter to wp_title().

props aaroncampbell, obenland.
fixes #17877.
Built from https://develop.svn.wordpress.org/trunk@28669


git-svn-id: http://core.svn.wordpress.org/trunk@28487 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add a filter to human_time_diff().

props slimndap.
fixes #27271.
Built from https://develop.svn.wordpress.org/trunk@28670


git-svn-id: http://core.svn.wordpress.org/trunk@28488 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Avoid an empty href attribute in paginate_links(). Add unit tests.

props obenland, Nessworthy.
fixes #24606.
Built from https://develop.svn.wordpress.org/trunk@28671


git-svn-id: http://core.svn.wordpress.org/trunk@28489 1a063a9b-81f0-0310-95a4-ce76da25c4cd
wp_insert_comment() and wp_new_comment() should check if the comment was successfully inserted into the database.

props pento.
fixes #28254.
Built from https://develop.svn.wordpress.org/trunk@28672


git-svn-id: http://core.svn.wordpress.org/trunk@28490 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove redundant 'Visit author homepage' title attributes for plugins and themes.

props joedolson.
fixes #26554.
Built from https://develop.svn.wordpress.org/trunk@28673


git-svn-id: http://core.svn.wordpress.org/trunk@28491 1a063a9b-81f0-0310-95a4-ce76da25c4cd