Use numbered placeholders. see #24389.

git-svn-id: http://core.svn.wordpress.org/trunk@24327 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Local autosaves: always set 'autosave = true' in the post data when triggering local autosave on form submit. Fixes cases where the form is submitted shortly after loading the Edit screen, local autosave hasn't run yet and there is no previous data to be merged. Fixes #23960.

git-svn-id: http://core.svn.wordpress.org/trunk@24328 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Switch to a CSS comment in gallery_shortcode() to avoid breaking markup when the shortcode is used inside an HTML comment. props mark-k, aaroncampbell. fixes #23787.

git-svn-id: http://core.svn.wordpress.org/trunk@24329 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta3-24330.

git-svn-id: http://core.svn.wordpress.org/trunk@24330 1a063a9b-81f0-0310-95a4-ce76da25c4cd