Jonas Sicking (:sicking) <jonas@sicking.cc> has granted Johnny Stenback (:jst)
<jst@mozilla.org>'s request for superreview:
Bug 428847: XML Parsing Error with ":" in href attribute of xml-stylesheet
processing instruction
https://bugzilla.mozilla.org/show_bug.cgi?id=428847

Attachment 316114: Fix, with tests.
https://bugzilla.mozilla.org/attachment.cgi?id=316114&action=edit