Introduce documentation for the `$id_base`, `$name`, `$widget_options`, `$control_options`, `$number`, `$id`, and `$updated` properties in `WP_Widget'.

See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30763 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Introduce documentation for three methods in `WP_Widget_Factory`: `register()`, `unregister()`, `_register_widgets()`.

See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30764 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: return focus to the editor after closing the image toolbar. Props afercia, see #27642.
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git-svn-id: http://core.svn.wordpress.org/trunk@30765 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Flesh out information in the DocBlock for `wp_register_sidebar_widget()`.

Includes:
* Documenting the `$options` parameter in hash notation style
* Converting `@uses` tags to `@global`
* Various backtick-escaping.

See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30766 1a063a9b-81f0-0310-95a4-ce76da25c4cd
When using the spacebar to select something in "bulk select" mode, don't scroll the page.

Props avryl.
Fixes #30622.

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git-svn-id: http://core.svn.wordpress.org/trunk@30767 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Flesh out and fix formatting in the DocBlock for `wp_register_widget_control()`.

Includes:
* Added todos for documenting `$options` in the hash notation style
* Backtick-escaping and general formatting

See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30768 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix formatting in the DocBlock for `wp_get_sidebars_widgets()`.

See #30315.

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git-svn-id: http://core.svn.wordpress.org/trunk@30769 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media: ensure the toolbar is shown after leaving iframe-based content. Props mcsf, fixes #30608.
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git-svn-id: http://core.svn.wordpress.org/trunk@30770 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Fifteen: add spaces after screen reader text strings to make them readable. Props nvwd, pavelevap, afercia. Fixes #30606.
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git-svn-id: http://core.svn.wordpress.org/trunk@30771 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Plugins: move the recommender results to a separate tab. Any outstanding quality issues will be fixed on the API side without needing core changes. Props tellyworth, fixes #30337.
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git-svn-id: http://core.svn.wordpress.org/trunk@30772 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Incorporate https://github.com/johndyer/mediaelement/pull/1385 into our custom build of MediaElement 2.16.2.

Props bradyvercher.
Fixes #30281.

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git-svn-id: http://core.svn.wordpress.org/trunk@30773 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Split current tests for `update_blog_details()`

The current tests for `upload_blog_details()` were focused on the actions fired whenever a site is marked as spam, archived, deleted, or matured. This breaks those into individual sections with fewer assertions per test.

See #30080

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git-svn-id: http://core.svn.wordpress.org/trunk@30774 1a063a9b-81f0-0310-95a4-ce76da25c4cd