When balancing tags, properly close tags that shouldn't be self-closed but are. Support all self-closing tags.

props coffee2code.
fixes #1597.



git-svn-id: http://core.svn.wordpress.org/trunk@21828 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't cache a non-existent link in get_bookmark(). props wonderboymusic, fixes #21159.



git-svn-id: http://core.svn.wordpress.org/trunk@21829 1a063a9b-81f0-0310-95a4-ce76da25c4cd
oEmbed uses author_can(), not current_user_can(). props DrewAPicture, fixes #21880.



git-svn-id: http://core.svn.wordpress.org/trunk@21830 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Allow supports => false to be passed to register_post_type() to disable the default title and editor.

An empty array may also disable all default features in the future.
Do not rely on this behavior: always specify title and editor if you want them.

props sc0ttkclark.
fixes #21586.



git-svn-id: http://core.svn.wordpress.org/trunk@21831 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix Press This bookmarklet focus and active styles. props SergeyBiryukov, fixes #21850.



git-svn-id: http://core.svn.wordpress.org/trunk@21832 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't sanitize include and exclude in gallery_shortcode(), as this is handled further down the stack, and better. props SergeyBiryukov, TobiasBg. fixes #21827.



git-svn-id: http://core.svn.wordpress.org/trunk@21833 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Switch to sans-serif for the font stack in Thickbox as we have done elsewhere. props wet, fixes #20268.



git-svn-id: http://core.svn.wordpress.org/trunk@21834 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct return values for two deprecated media admin functions. props SergeyBiryukov. fixes #21518.



git-svn-id: http://core.svn.wordpress.org/trunk@21835 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Check that the taxonomy matches when calling is_tax() with only a taxonomy argument. props wonderboymusic, see #20590.



git-svn-id: http://core.svn.wordpress.org/trunk@21836 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add nonce_user_logged_out filters to wp_create_nonce() and wp_verify_nonce() for when there is no user ID. Provides plugins the ability to tie a nonce to some other characteristic of the session. props sc0ttkclark, fixes #21111.



git-svn-id: http://core.svn.wordpress.org/trunk@21837 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fold Privacy Settings into Reading Settings, moving blog_public (search engine/robots) to options-reading and removing options-privacy.

When blog_public only has two values (as judged by whether the blog_privacy_selector action is used), convert from radio buttons to a checkbox, and rename from 'Site Visibility' to a more specific 'Search Engine Visibility'.

The text and implementation may change a bit. see #16416.



git-svn-id: http://core.svn.wordpress.org/trunk@21838 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduce an oembed_fetch_url filter to be applied before sending the request.

props Otto42, r-a-y. fixes #16996.



git-svn-id: http://core.svn.wordpress.org/trunk@21839 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Switch $args and $url for the oembed_fetch_url filter introduced in [21839]. A bit more logical, especially given the order of arguments passed to fetch(). see #16996.



git-svn-id: http://core.svn.wordpress.org/trunk@21840 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Calendar widget: Don't print widget title markup when the title is empty. props jakub.tyrcha. fixes #17837.



git-svn-id: http://core.svn.wordpress.org/trunk@21841 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Load on get_instance.  get_instance returns WP_Error if fails.
Merge branch 'master' into ticket-6821-imagemagick
Avoid the need for a hidden input when suppressing the blog_charset option. fixes #21507.



git-svn-id: http://core.svn.wordpress.org/trunk@21842 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update docs to reflect that wp_count_terms() can return WP_Error when the taxonomy does not exist. props SergeyBiryukov, fixes #21888.



git-svn-id: http://core.svn.wordpress.org/trunk@21843 1a063a9b-81f0-0310-95a4-ce76da25c4cd
If update_post_caches() does not receive a post type, glean post types from the individual post objects, rather than assuming 'post'. fixes #20177.



git-svn-id: http://core.svn.wordpress.org/trunk@21844 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In get_page_by_path(), attempt to return an item that has the same post type before returning an attachment with the same name. props SergeyBiryukov. tests in [UT1021]. fixes #15665.



git-svn-id: http://core.svn.wordpress.org/trunk@21845 1a063a9b-81f0-0310-95a4-ce76da25c4cd