[XeTeX] Whitespace in input

Zdenek Wagner zdenek.wagner at gmail.com
Tue Nov 15 14:37:45 CET 2011

2011/11/15 Philip TAYLOR <P.Taylor at rhul.ac.uk>:
> 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

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