Add a filter for attributes on menu item links. props simonwheatley, DrewAPicture, SergeyBiryukov, nacin. fixes #16738.

git-svn-id: http://core.svn.wordpress.org/trunk@23565 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add missing comma. props bradparbs. fixes #22507.

git-svn-id: http://core.svn.wordpress.org/trunk@23566 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use wp_unslash() instead of stripslashes() and stripslashes_deep(). Use wp_slash() instead of add_magic_quotes().


git-svn-id: http://core.svn.wordpress.org/trunk@23567 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Twelve: better handling for cases where a background color is set to white or an empty value (like first run with no `theme_mods` set) and a background image is enabled, which resulted previously in a broken layout. Fixes #23586, props obenland.

git-svn-id: http://core.svn.wordpress.org/trunk@23568 1a063a9b-81f0-0310-95a4-ce76da25c4cd
POT, generated from r23565

git-svn-id: http://core.svn.wordpress.org/trunk@23569 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Always wp_unslash() the return of wp_get_referer().

see #21767


git-svn-id: http://core.svn.wordpress.org/trunk@23570 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make sure the pings are only sent once per URL for a given post. props dllh. fixes #23217.

git-svn-id: http://core.svn.wordpress.org/trunk@23571 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Twelve: enable live preview for Header Text Color in Theme Customizer. Change also removes an `!important` declaration (yay) in Custom Header CSS rules.

Props SriniG, fixes #23600.

git-svn-id: http://core.svn.wordpress.org/trunk@23572 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove double-strip on HTTP_IF_NONE_MATCH, which was done years ago (in #2597). see #21767.


git-svn-id: http://core.svn.wordpress.org/trunk@23573 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: better styles for no-results views (empty search, empty archives) for small screens. Props johnbillion, fixes #23544.

git-svn-id: http://core.svn.wordpress.org/trunk@23574 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Assume that url_shorten() receives unslashed data, as it does in core usage. see #21767.



git-svn-id: http://core.svn.wordpress.org/trunk@23575 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unslash early, directly on the superglobal. see #21767.



git-svn-id: http://core.svn.wordpress.org/trunk@23576 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove an unslash in the deprecated WP_User_Search, as search_term is already unslashed in the constructor. see #21767.



git-svn-id: http://core.svn.wordpress.org/trunk@23577 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Ensure the referer functions operate completely on unslashed data: wp_referer_field(), wp_original_referer_field(), wp_get_referer(), wp_get_original_referer().

Use wp_slash() instead of addslashes().

see #21767.



git-svn-id: http://core.svn.wordpress.org/trunk@23578 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use distinct error code in wp_authenticate_username_password() when user is a spammer. props sirzooro. fixes #19445.

git-svn-id: http://core.svn.wordpress.org/trunk@23579 1a063a9b-81f0-0310-95a4-ce76da25c4cd