Editor:
- Add CSS reset for the TinyMCE fullscreen mode when used on the Edit Post screen.
- Fix loading of the old and new DFW buttons, use another arg. passed to WP_Editors.
- Reset editor-expand when exiting TinyMCE fullscreen mode.
Fixes #30453.
Built from https://develop.svn.wordpress.org/trunk@30573


git-svn-id: http://core.svn.wordpress.org/trunk@30563 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor: add a pointer for the new DFW button. Remove the wp350_media and wp360_revisions pointers from the same screens. See #30458.
Built from https://develop.svn.wordpress.org/trunk@30574


git-svn-id: http://core.svn.wordpress.org/trunk@30564 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Fix the PHPDoc example for _split_str_by_whitespace().
Props voldemortensen. Fixes #30504

Built from https://develop.svn.wordpress.org/trunk@30575


git-svn-id: http://core.svn.wordpress.org/trunk@30565 1a063a9b-81f0-0310-95a4-ce76da25c4cd