[texhax] Latin Modern Math missing \propto?

[Arno Trautmann]

Reinhard Kotucha wrote:
> On 2013-01-21 at 23:31:59 +0100, Uwe Lück wrote:
>
>   > Am Sonntag, den 13.01.2013, 15:17 +0100 schrieb Arno Trautmann:
>   > > I just had to notice that the Latin Modern Math font seems to lack the
>   > > \propto sign on my machine:
>   > >
>   > > \documentclass{minimal}
>   > > \usepackage{unicode-math}
>   > > \setmathfont{Latin Modern Math}
>   > > % \setmathfont{Asana Math}
>   > > \begin{document}
>   > > $a \propto b$
>   > > \end{document}
>   > >
>   > > This code prints only “a  b”, the \propto is missing. Using the Asana
>   > > Math, everything is fine.
>   > >
>   > > I'm using latest TL 2012, just updated, with
>   > >
>   > > This is LuaTeX, Version beta-0.70.2-2012052410 (TeX Live 2012)
>   > >
>   > > The log files states that
>   > >
>   > > </home/texlive2012/texmf-dist/fonts/opentype/public/lm-math/latinmodernmath-regular.otf>
>   > >
>   > > is loaded. Can anyone reproduce or is this known?
>   >
>   > Just thinking again of this posting, when reading the mail
>   > (probably to Arno as well) asking who from around Heidelberg
>   > will attend the next meeting.
>   >
>   > Well, I have the \propto with Latin Modern under pdfTeX with
>   > Debian pieces of TeX Live probably 2009.
>
> PdfTeX is using Type 1 Fonts, hence I suppose the problem is in the
> OpenType font.  The only reasonable solution is to contact the
> author, Bogusław Jackowski (preferably before TL-2013 is released).
>
> BTW, I can reproduce the problem here with lualatex.

Ok, so … any suggestions for a solution?

>   > A lot is very different here, I am far away from understanding
>   > those font technologies.
>
> A good introduction is the book "Fonts & Encodings" by Yannis
> Haralambous.  Maybe you can get it from your local library.  If it's
> not there, ask for inter-library loan.

Or ask Arno when he attends the Stammtisch next time. Then I will have 
no excuse not to come ;)

>   > My TeX system may be too old to reproduce bugs properly.
>   > A few months ago I could not reproduce a bug because a recent
>   > LaTeX bugfix was missing here ...
>
> It shouldn't be too difficult to upgrade.  There's a lot of new stuff
> which makes life easier.  You certainly don't know what you are
> missing. ;)

I fully agree!

cheers
Arno