Don't remember if it applies to this particular glyph, but I've had some issues in the past with some configurations of IE and/or Windows, where the unicode sym

Don't remember if it applies to this particular glyph, but I've had some issues in the past with some configurations of IE and/or Windows, where the unicode symbols wouldn't render. Just something to be aware of, if you're blindly using these in web sites aimed at the general population.