Fix the positioning of the post lock icon/layout in RTL mode.

Fixes #24850 for trunk. Props ocean90, rasheed.

git-svn-id: https://core.svn.wordpress.org/trunk@24808 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Drop leading / by retrieving the inner subpattern when matching attachment endpoints.

Fixes #22619


git-svn-id: https://core.svn.wordpress.org/trunk@24809 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Allow HTTPS URL enclosures.

Props markjaquith with a patch that predates all WordCamps.

Fixes #2875.


git-svn-id: https://core.svn.wordpress.org/trunk@24810 1a063a9b-81f0-0310-95a4-ce76da25c4cd