gildas-lormeau/zip.js — pull request #91 by pusherman (2014-03-20 20:24:07+00:00)
Title: Workaround to prevent caching of byte range requests in Safari

Bug in webkit described here:
https://bugs.webkit.org/show_bug.cgi?id=82672

Adding the If-None-Match header with a fake eTag resolves caching issue.