Re: ex

--- Erik van der Poel <erik@netscape.com> wrote:
> The spec gives the following example for "ex":
> 
>   H1 { margin: 1ex }
> 
> If the font-family property contains multiple fonts, which font is used
> to determine the length of 1ex?
The one that is actually used for the H1 element; e.g., H1 {font-family:
notavailable, notavailable, sans-serif} uses the x-height of the
sans-serif font that is selected by the ua (CSS merely states 'ex: the
'x-height' of the "relevant" font', but this conclusion is unavoidable).

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From Matthew Brealey (http://members.tripod.co.uk/lawnet (for law)or http://members.tripod.co.uk/lawnet/WEBFRAME.HTM (for CSS))
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