Fix validation issue in get_the_password_form() caused by wpautop().

props andykeith.
fixes #27071.
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git-svn-id: http://core.svn.wordpress.org/trunk@27001 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Clarify `submit_button()` `$type` parameter docs to mention that the value doubles as the CSS class attribute.

See #27070

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git-svn-id: http://core.svn.wordpress.org/trunk@27002 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improve inline documentation for `submit_button()`.

See #27070.

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git-svn-id: http://core.svn.wordpress.org/trunk@27003 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix docs spacing missed in [27136].

See #27070.

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Inline documentation for the `wp_insert_attachment_data` filter hook, added in [27130].

Fixes #20547.

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git-svn-id: http://core.svn.wordpress.org/trunk@27005 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Inline documentation tweaks for `has_image_size()` and `remove_image_size()`.

See #26951.

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has_image_size()'s parameter should be required. see [27139], see #26951.

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git-svn-id: http://core.svn.wordpress.org/trunk@27007 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Improve inline documentation for several 'last_changed'-related functions introduced in [27101] and [27102].

Functions include:
* `get_taxonomy_last_changed()`
* `set_taxonomy_last_changed()`
* `post_taxonomy_is_fresh()`
* `taxonomy_hierarchy_is_fresh()`

Fixes #22526, #14485.

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