2011/11/15 Philip TAYLOR <[email protected]>: > > > Zdenek Wagner wrote: > >> The only reasonable solution seems to be the one suggested by Phil >> Taylor, to >> extend \catcode up to 255 and assign special categories to other types >> of characters. Thus we could say that normal space id 10, nonbreakable >> space is 16, thin space is 17 etc. XeTeX will then be able to treat >> them properly. > > which may, unfortunately, then require new types of node > in TeX's internal list structures ... > > (may, not will). > Sure, the change will not be trivial. I do not know how the category codes are stored internally but extending them from 16 possible values to 256 may require dramatic change in the internal structures.
> ** Phil. > -- Zdeněk Wagner http://hroch486.icpf.cas.cz/wagner/ http://icebearsoft.euweb.cz -------------------------------------------------- Subscriptions, Archive, and List information, etc.: http://tug.org/mailman/listinfo/xetex
