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Re: EMs and EXs


From: Austin, Darrel
Date: Dec 1, 2004 8:06AM

> The support for "ex" is vague at best, I fear -- most user-agents
> misleadingly seem to equate 1ex with .5em, the only exception being
> IE 5 for Macintosh which supposedly generates a bitmapped lowercase
> "x" and measures its height in pixels, AFAIK.

Though, if/when ex ever does become widely supported, it's probably a better
way to spec the size of type, since the x-height of a face can vary
drastically compared to its cap-height.