Profiles

Mentioned in [31204] on Core SVN:
In `comment_form()`, add the HTML5 `required` attribute next to `aria-required` in fields that utilize it.

Created ticket #24732 on Core Trac:
HTML5 required property to append or replace "aria-required"

Mentioned in [13104] on Core SVN:
Add ?preview=true to edit post rows when draft|pending.

Created ticket #11688 on Core Trac:
Wrong preview link for draft/preview on admin post index