Leaflet/Leaflet.heat — pull request #6 by zedd45 (2014-04-08 00:52:17+00:00)
Title: fixes #4 - IE9 canvas shifts position while panning.

@morner, we should probably throw the
tag in demo.html, as well. My IE9 (modern.ie) behaved erratically until I switched the doc mode to IE9 Standards.