[luatex] a question about the names \Umathcharnumdef etc

David Carlisle d.p.carlisle at gmail.com
Thu Oct 15 19:18:58 CEST 2015

On 15 October 2015 at 17:36, jfbu <jfbu at free.fr> wrote:
> Hi,
> as people reported problems with mathastext under lualatex I have become aware
> that \luatexUmathcharnumdef etc... have been removed and \Umathcharnumdef etc...
> must be used  instead.
> as I didn't find the info immediately I am asking here: how should I test
> (version number, date etc...)
> when one should use \luatexUmathcharnumdef and
> when on should use \Umathcharnumdef ?

This is a latex rather than luatex issue really, the change was announced
in ltnews23 and other places along with the 2015/10/01 release

texdoc ltnews

Sorry, I thought we'd pre-warned all authors of packages using \luatex...
names, I apologise if we missed you

> or perhaps \Umathcharnumdef was always ok ?

yes, it was, the Umath... commands were always available with their
basic luatex names and also prefixed luatex.

> I would like to not break people's old installation thus I would be
> glad to use \Umathcharnumdef  if I am told it works with all earlier lualatex
> best wishes
> Jean-François


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