[tex-live] TeTeX in TeX Live 2015 broken on Mac

Philip Taylor P.Taylor at Rhul.Ac.Uk
Fri Apr 24 18:57:15 CEST 2015

Norbert Preining wrote:

> Phil, please reread the code... there is a 
> 	\fi
> followed by a
> 	\bye
> at the end of the FIRST line.

Yes, I posted a correction to my earlier message as soon as I realised
this.  But as a result, I do not understand the purpose of Khaled's code :


Regardless of whether or not the \ifnum succeeds, the action would seem
to be the same (\bye); as I have no .ttc fonts for which :

	\ifnum \XeTeXcountvariations \font > 0

yields <true>, I cannot actually test the hypothesis that the behaviour
is identical regardless of whether \XeTeXcountvariations \font returns
zero or greater than zero, but would I be correct in thinking that
although the code /should/ behave identically, in practice it does not
and therefore there is an actual bug in XeTeX ?

** Phil.

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