Use a CDATA second for comment authors in RSS2 comment feeds so that HTML in comments doesn't kill the XML validation.

Fixes #17767 props wonderboymusic, dzver.

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git-svn-id: https://core.svn.wordpress.org/trunk@25003 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make is much easier for a theme to style the Post Password form.

Fixes #18729 props philiparthurmoore for the original patches.

Built from https://develop.svn.wordpress.org/trunk@25010


git-svn-id: https://core.svn.wordpress.org/trunk@25004 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Restore the for/id attributes in the post password for as they are necessary for accessibility tools. Fixes #18729.

Built from https://develop.svn.wordpress.org/trunk@25011


git-svn-id: https://core.svn.wordpress.org/trunk@25005 1a063a9b-81f0-0310-95a4-ce76da25c4cd