Last modified: 2014-06-24 18:21:25 UTC
Parsoid doesn't seem to recognised <var> as an element, instead encoding it as it it were made up of HTML entities. See https://en.wikipedia.beta.wmflabs.org/wiki/User:Jdforrester_(WMF)/HTML5_fun?veaction=edit
Change 141615 had a related patch set uploaded by Arlolra: Recognize <var> as an html element https://gerrit.wikimedia.org/r/141615
Change 141615 merged by jenkins-bot: Recognize <var> and <rb> as an html element https://gerrit.wikimedia.org/r/141615