w3c/push-api — pull request #76 by johnmellor (2014-10-09 15:57:06+00:00)
Title: Nit: Clarify wording of "univocal" identifier

None of the meanings on http://en.wiktionary.org/wiki/univocal made sense in this context; I think the original intention was that these identifiers would be canonical, i.e. you can compare them directly without having to normalize them first.