<http://schema.org/headline>
"5.4 PTR: Build 17227--Spell Changes, Vanity Items, Siege of Orgrimmar Mounts"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wowhead.com/news=217133.1/5-4-ptr-build-17227-spell-changes-vanity-items-siege-of-orgrimmar-mounts>