Allow square brackets in a URL when it's sanitised for a redirect. Square brackets are valid in query parameters and IPv6 addresses.

Fixes #17052
Props voldemortensen

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git-svn-id: http://core.svn.wordpress.org/trunk@30673 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Allow brackets in a URL when it's sanitised for a redirect. Brackets are valid in query parameters.

Fixes #30308
Props voldemortensen

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git-svn-id: http://core.svn.wordpress.org/trunk@30674 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clarify the text for the 'Edit Selection' link when multiple media items are selected in the media manager.

Props adamsilverstein
See #24325

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git-svn-id: http://core.svn.wordpress.org/trunk@30675 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove the sortable functionality from the selection editing toolbar at the bottom of the media manager.

Fixes #29934
See #24352
Props jessepollak

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git-svn-id: http://core.svn.wordpress.org/trunk@30676 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Unit Tests: The `assertEqualSets()` helper was returning true for some sets that were not equal. `assertEqualSets()` now behaves correctly, and the new `assertEqualSetsWithIndex()` helper also checks that the array indexes are the same.

Fixes #30522.

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git-svn-id: http://core.svn.wordpress.org/trunk@30677 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Use `assertEqualSetsWithIndex()` as appropriate in `get_terms()` tests.

See #30522.
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git-svn-id: http://core.svn.wordpress.org/trunk@30678 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: correct list indentation inside blockquotes.

Props iamtakashi, fixes #30543.


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git-svn-id: http://core.svn.wordpress.org/trunk@30679 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: broader selection of avatars that should catch any plugins adding avatars that use the avatar class.

Props iamtakashi, fixes #30541.


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Improve inline documentation for four methods in `WP_Widget`: `get_field_id()`, `display_callback()`, `update_callback()`, and `form_callback()`.

Props jazzs3quence for the initial patch.
See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30681 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: correct stylesheet dependencies.

Props ocean90, fixes #30532.


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git-svn-id: http://core.svn.wordpress.org/trunk@30682 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor DFW v2: do not fade out on using keyboard shortcuts in TinyMCE (Alt+Shift+letter).
Fixes #30539.
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git-svn-id: http://core.svn.wordpress.org/trunk@30683 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: update the wpView toolbar to look the same as the new image toolbar.
Fixes #30561.
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git-svn-id: http://core.svn.wordpress.org/trunk@30684 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correctly capitalize JavaScript throughout core docs.

Fixes #30569.

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git-svn-id: http://core.svn.wordpress.org/trunk@30685 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Ensure the theme and plugin update checks are always in sync with the current theme and plugin versions before fetching cached update data. This change only triggers a request to the update API when necessary.

Fixes #13071
Props bswatson

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Prevent the deletion of a theme while it has an active child theme.

Fixes #29580
Props karpstrucking, jesin

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Don't over-target buttons in the publish meta box.

This selector caused breakage for any custom buttons added.

props ericlewis.
fixes #30035.

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git-svn-id: http://core.svn.wordpress.org/trunk@30688 1a063a9b-81f0-0310-95a4-ce76da25c4cd
WPDB: When looking up the character set for a table or column, make sure we send the table name to MySQL in the correct case, as MySQL can be configured with case sensitive table names.

Fixes #30538.

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git-svn-id: http://core.svn.wordpress.org/trunk@30689 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct the width of the background vignette in the plugin info modal.

Fixes #28229

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git-svn-id: http://core.svn.wordpress.org/trunk@30690 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert r30115 which was a breaking change for code which interacts with the return value of `get_metadata()` when no meta key is specified.

See #15030

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Update the tests for `get_metadata()` to reflect the revert in r30701.

See #15030

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