[XeTeX] Installing unicode-math under MiKTeX (was re: unicode-math and \leq \geq)

[Joel C. Salomon]

OK, I’ve followed Ulrike’s advice; I now have:
> C:\…\texmf-local>ls -R
<snip>
> ./doc/xelatex/unicode-math:
> maths-font-mappings.pdf  mmap-example.ltx  unicode-math.pdf
<snip>
> ./fonts/misc/xetex/fontmapping:
> math-blackboard.tec    math-italic-bold.tec      
> math-sans-italic.tec  math-typewriter.tec
> math-bold.tec          math-italic.tec            math-sans.tec
> math-fraktur-bold.tec  math-sans-bold.tec         math-script-bold.tec
> math-fraktur.tec       math-sans-italic-bold.tec  math-script.tec
<snip>
> ./source/unicode-math:
> math-blackboard.map    math-italic.map           
> math-script-bold.map     maths-map.sh
> math-bold.map          math-sans-bold.map        
> math-script.map          unicode-math.dtx
> math-fraktur-bold.map  math-sans-italic-bold.map 
> math-typewriter.map      unicode-math.ins
> math-fraktur.map       math-sans-italic.map       maths-font-mappings.dtx
> math-italic-bold.map   math-sans.map              maths-font-mappings.ins
<snip>
> ./tex/xelatex/unicode-math:
> unicode-math-add.tex  unicode-math.sty  unicode-math.tex
Added C:\…\texmf-local as a tree in MiKTeX, rebuilt the FNDB, &c., &c.

I tried it on a simple document:
> C:\…>cat test.tex
> \documentclass{article}
> \usepackage{xltxtra}
> \usepackage{unicode-math}
> \setromanfont[Mapping=tex-text]{Cambria}
> \setmathfont{Cambria Math}
>
> \begin{document}
> The first equation is:
> $a \leq b$
> That's all!
> \end{document}
>
> C:\…>xelatex test.tex
and it works as advertised.

So I tried to build …\doc\…\mmap-example.ltx:
> C:\…\texmf-local\doc\xelatex\unicode-math>xelatex mmap-example.ltx
> This is XeTeX, Version 3.1415926-2.2-0.999.7 (MiKTeX 2.7)
> entering extended mode
> (mmap-example.ltx
> LaTeX2e <2005/12/01>
> Babel <v3.8l> and hyphenation patterns for english, dumylang,
> nohyphenation, ge
> rman, ngerman, french, loaded.
> ("C:\Program Files\MiKTeX 2.7\tex\latex\base\article.cls"
> Document Class: article 2005/09/16 v1.4f Standard LaTeX document class
> ("C:\Program Files\MiKTeX 2.7\tex\latex\base\size12.clo"))
> ("C:\Program Files\MiKTeX 2.7\tex\xelatex\fontspec\fontspec.sty"
> ("C:\Program Files\MiKTeX 2.7\tex\latex\ifxetex\ifxetex.sty")
> ("C:\Program Files\MiKTeX 2.7\tex\latex\tools\calc.sty")
> ("C:\Program Files\MiKTeX 2.7\tex\latex\xkeyval\xkeyval.sty"
> ("C:\Program Files\MiKTeX 2.7\tex\generic\xkeyval\xkeyval.tex"
> ("C:\Program Files\MiKTeX 2.7\tex\generic\xkeyval\keyval.tex")))
> ("C:\Program Files\MiKTeX 2.7\tex\latex\base\fontenc.sty"
> ("C:\Program Files\MiKTeX 2.7\tex\xelatex\euenc\eu1enc.def")
> ("C:\Program Files\MiKTeX 2.7\tex\xelatex\euenc\eu1lmr.fd"))
> fontspec.cfg loaded.
> ("C:\Program Files\MiKTeX 2.7\tex\xelatex\fontspec\fontspec.cfg"))
> No file mmap-example.aux.
>
> ! Internal error: internal buffer too small
What’s going on here?

—Joel Salomon

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