sul-dlss/openseadragon-rails — pull request #2 by jkeck (2014-09-10 02:13:04+00:00)
Title: Add 3rd parameter to addEventListener for backwards browser compatibilit...

...y.

See notes in https://developer.mozilla.org/en-US/docs/Web/API/EventTarget.addEventListener#Syntax

Not sure if we should take this, or push it upstream or not, but it certainly causes failures in SearchWorks.