I made a fix to microformats-shiv that we should take from github.
Created attachment 8726400 [details] [diff] [review] Fix for perf problem I couldn't figure out how to run the new microformat tests. No amount of ./mach test worked for me...
Comment on attachment 8726400 [details] [diff] [review] Fix for perf problem ./mach marionette-test toolkit/components/microformats/test/ There are also a couple tests in the socialapi stuff; ./mach mochitest browser/base/content/test/social/ I'm assuming that Glenn reviewed this when it went into github, thus my r+.
https://hg.mozilla.org/integration/fx-team/rev/b479a3b0fde9a3dfc67dfb6dbf35d3c958fd1a9c Bug 1253365 - Merge version 1.4.0 of microformats-shiv; r=mixedpuppy