Generally speaking, Raphael does an amazing job of porting nice, clean, standards-compliant SVG over to IE 6/7/8’s horrendous native RVML format support. But ironing the kinks out of my viz application did manage to flush out one IE bug that Raphael doesn’t handle: IE does not register events bound to SVG
paths when their opacity is set to zero.
circles, and yes, even
ellipses, will trigger events when transparent. But
Fortunately the fix is simple: assigning the
path an opacity of 0.01 allows it to trigger and has no visible manifestation on-screen.
It’s an ugly hack. And it’s not necessary for IE9, which does offer SVG support. But for the moment it does the job.