Using (ideas from) linguistix-fonts package for loading NewCM fonts

[niruvt]

The .fontspec files of the NewCM fonts are buggy. See, e.g., this. I wanted to use NewCM as the default font family for the LinguisTiX bundle. As of now (with today's bug-fix that I found while testing for this post 😛), my package loads all the fonts provided by NewCM. For testing, try this:

\documentclass{article}
\usepackage{linguistix-fonts}
\linguistix{newcm regular}

\begin{document}
\begingroup
hello world
\sffamily
hello world
\ttfamily
hello world
\endgroup

\begingroup
\footnotesize
hello world
\sffamily
hello world
\ttfamily
hello world
\endgroup

\begingroup
\tiny
foo
\sffamily
foo
\ttfamily
foo
\endgroup

\itshape
\begingroup
hello world
\sffamily
hello world
\ttfamily
hello world
\endgroup

\begingroup
\footnotesize
hello world
\sffamily
hello world
\ttfamily
hello world
\endgroup

\begingroup
\tiny
foo
\sffamily
foo
\ttfamily
foo
\endgroup
\end{document}

This results in 10 fonts in both book and regular weight. Without the 3rd line (i.e., \linguistix{newcm regular}) the default weight, i.e., 'book' is used. With the fontspec files it results in 8 fonts, can be tested with \usepackage{fontsetup} instead of LinguisTiX. Maybe it would be a good idea to use either the package linguistix-fonts or use the font setup it has used for NewCM. Using the package will also provide a handy suit for font customisation. You may refer to the documentation.

PS: Since this is just a discussion, feel free to point out any possible improvements in LinguisTiX if you find any problems.

[josephwright]

I'm not sure how this links to xbeamer?

[niruvt]

[josephwright]

I'm still not seeing the link: if you believe there is an issue in another package, you should be reporting to the maintainer. We want to avoid non-standard font setups as far as possible, which means for OpenType engines sticking to fontspec plus a reasonable font choice only, no customisation beyond that.

[niruvt]

I'm still not seeing the link: if you believe there is an issue in another package, you should be reporting to the maintainer.

What I meant is since we are relying on .fontspec files too, i.e.:

https://github.com/josephwright/xbeamer/blob/e95cf18b7cbf7212bee43432eecbb761b69552ec/xbeamer.dtx#L308-L313

we will also end up loading lesser fonts than the family actually has to offer. I have reported it to the maintainer already.

We want to avoid non-standard font setups as far as possible, which means for OpenType engines sticking to fontspec plus a reasonable font choice only, no customisation beyond that.

Makes sense, but my suggestion doesn't cross the fontspec-boundary at all. See the referenced question. The fix needs to be added in the optional argument of \setmainfont and nothing more than that. I mentioned linguistix-fonts because it already does it, but if it needs to be avoided, simply editing the font options would also give us a richer PDF.

[cfr42]

Makes sense, but my suggestion doesn't cross the fontspec-boundary at all. See the referenced question. The fix needs to be added in the optional argument of \setmainfont and nothing more than that. I mentioned linguistix-fonts because it already does it, but if it needs to be avoided, simply editing the font options would also give us a richer PDF.

That's a workaround which overrides settings in the .fontspec file. The right fix is to correct the configuration in the .fontspec files provided by newcomputermodern. Overriding those settings in xbeamer doesn't make sense IMHO.

[niruvt]

That's a workaround which overrides settings in the .fontspec file. The right fix is to correct the configuration in the .fontspec files provided by newcomputermodern. Overriding those settings in xbeamer doesn't make sense IMHO.

I have reported it to Antonis. I agree that the .fontspec files needs to be fixed. Okay. I will close this discussion thread as the general view seems to be against this. Thanks for the attention.