One extra item which should be a 1-minute issue. V&U defines a "default" value of .5em for the 'ex' unit when it is "impossible or impractical" to obtain the necessary font metrics, but 'ch' doesn't have similar wording. I suggest we also allow a fallback value of .5em for 'ch' in the same circumstances. ~TJReceived on Wednesday, 16 April 2014 15:08:57 UTC
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