openlayers/openlayers — pull request #1220 by bartvde (2014-01-08 19:04:45+00:00)
Title: XML serialisation fails in IE11

See this thread:

http://lists.osgeo.org/pipermail/openlayers-dev/2013-December/009137.html

This helped me fix it: http://stackoverflow.com/questions/19610089/unwanted-namespaces-on-svg-markup-when-using-xmlserializer-in-javascript-with-ie