Paul Libbrecht wrote: > Jan Willem, > > I think a mixed-fraction symbol would be very useful and meaning-ful. > But invisibletimes and invisibleplus really are not semantic-ful- > enough to my taste. > > or? I agree that a mixed-fraction is where there is a semantic difference, and the other uses are not really important. A symbol a mixed-fraction would be good enough for my purpose. > > paul > > PS: in activemath we have internal symbols for mixed fractions, not > surprisingly.
I can do something with my own internal symbol, but I wanted to check if there was a common way to do this. > PPS: check MathML3, I vaguely remember it has a mixed-fraction concept > at the core... or at least it was discussed. A fraction using invisibleplus is mentioned in presentation markup is mentioned as an example of invisible operators (3.2.5.5. Invisible Operators). But this is only about presentation. I could not find it at some other place. But it might well be possible that I missed it, or that it did not make it to the working draft (yet). Thanks for the quick reply, Jan Willem
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