Avoid a fatal error in wp_reset_postdata() if $wp_query global is not set.

see #26775 for trunk.
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git-svn-id: http://core.svn.wordpress.org/trunk@26813 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Deprecate rich_edit_exists(). It doesn't make sense to support deleting the TinyMCE directory when we have auto-updates. Fixes #26786.
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git-svn-id: http://core.svn.wordpress.org/trunk@26814 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: re-enable soft resizing of images inside the editor. See #24067.
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git-svn-id: http://core.svn.wordpress.org/trunk@26815 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix alignment and borders of plugin/theme updates on the Updates screen.

props morganestes, ocean90.
see #26699, for trunk.

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git-svn-id: http://core.svn.wordpress.org/trunk@26816 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: improve handling of Read More and Nextpage tags. See #24067, fixes #16239.
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git-svn-id: http://core.svn.wordpress.org/trunk@26821 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: add/remove the 'alignnone' class when aligning images without captions. See #24067.
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git-svn-id: http://core.svn.wordpress.org/trunk@26822 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unnecessary sprintf(). props jdgrimes. fixes #25489.
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git-svn-id: http://core.svn.wordpress.org/trunk@26823 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: fix `send_to_editor()`. It no longer needs to replace shortcode strings with html placeholers before inserting them in the editor. This is handled properly by the editor's `'BeforeSetContent'` event callbacks. See #24067.
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git-svn-id: http://core.svn.wordpress.org/trunk@26824 1a063a9b-81f0-0310-95a4-ce76da25c4cd
RTL: Flip half-star star ratings.

props SergeyBiryukov.
fixes #26814.

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git-svn-id: http://core.svn.wordpress.org/trunk@26831 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: remove the 'spellchecker' plugin. It has been disabled for a while and the back-end currently doesn't work. See #24067.
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git-svn-id: http://core.svn.wordpress.org/trunk@26837 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't let Quick Draft ignore default comment_status and ping_status.

props kovshenin.
fixes #26722.

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git-svn-id: http://core.svn.wordpress.org/trunk@26838 1a063a9b-81f0-0310-95a4-ce76da25c4cd
The comment screen hides the author column at narrow screen sizes; this adds back the author info above the comment content. Fixes #26618, props SergeyBiryukov, nacin.


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git-svn-id: http://core.svn.wordpress.org/trunk@26840 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Widgets: fix scaling of extra-wide widgets on 480px and 320px devices, fixes #26701 for trunk.
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git-svn-id: http://core.svn.wordpress.org/trunk@26842 1a063a9b-81f0-0310-95a4-ce76da25c4cd
DFW: fix reference to off() when pressing Esc. Props kovshenin, see #24067.
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Switch Twitter oEmbed to SSL due to a Twitter API change. Ah, the open web.

props yurivictor, cojennin.
see #26844.

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git-svn-id: http://core.svn.wordpress.org/trunk@26846 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Realign the oEmbed providers. see #26844.

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git-svn-id: http://core.svn.wordpress.org/trunk@26847 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add a contrasting border to admin feature pointers.

props iammattthomas.
see #26689.

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git-svn-id: http://core.svn.wordpress.org/trunk@26849 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unit tests for get_url_in_content(). Return false when no content is passed, to match the return value of no links being found.

props mdbitz.
#26171.

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git-svn-id: http://core.svn.wordpress.org/trunk@26851 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add dfn, mark, and samp to kses.

props kraftbj.
fixes #24950.

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git-svn-id: http://core.svn.wordpress.org/trunk@26852 1a063a9b-81f0-0310-95a4-ce76da25c4cd
make_clickable: When cleaning up accidental links within links, account for the tag being split by newlines.

props dd32.
fixes #19028.

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git-svn-id: http://core.svn.wordpress.org/trunk@26853 1a063a9b-81f0-0310-95a4-ce76da25c4cd