[XeTeX] why does Latin Modern Mono have some stretch and shrink with XeTeX ?

Zdenek Wagner zdenek.wagner at gmail.com
Wed Jan 25 11:13:42 CET 2017

2017-01-25 11:07 GMT+01:00 Philip Taylor <P.Taylor at rhul.ac.uk>:

> Ulrike Fischer wrote:
> > There was once a long discussion about this xetex problem around
> > here http://tug.org/pipermail/xetex/2011-February/020072.html
> > It is unclear if it is engine bug and imho no one ever added
> > something to the issue tracker.
> Matthew concluded by writing :
> It seems clear to me that this is a bug, though I'm not sure yet whether
> it's better considered as a bug in the XeTeX engine or in the fontspec
> package, because it's not clear where the stretchability is being set.
> It seems equally clear to me that the fault cannot lie in the fontspec
> package,
> since it can be demonstrated with a pure XeTeX example as Jean-François
> has shewn ...  Whether the fault lies in the XeTeX engine or in the font
> is moot,
> I believe.

It might be set in the font and XeTeX just reads it. I do not know how to
look inside the font but I heard somewhere, that such mono fonts do exist.

> Philip Taylor
> Zdeněk Wagner
> http://ttsm.icpf.cas.cz/team/wagner.shtml
> http://icebearsoft.euweb.cz
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