Format WordPress in <title> tags produced by wp_title().

props evansolomon.
fixes #19211.


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Fix various typos in inline documentation. props nofearinc, fixes #25119.

Built from https://develop.svn.wordpress.org/trunk@25094


git-svn-id: http://core.svn.wordpress.org/trunk@25078 1a063a9b-81f0-0310-95a4-ce76da25c4cd