[tex-live] Having a .fmt for different engines

Thomas Esser te at dbs.uni-hannover.de
Sun Jan 7 17:34:04 CET 2007

> format file "tex-plain.fmt".  When the user next invokes
> TeX, TeX will expect to find "plain.fmt" in an
> element of TeX_formats : but it won't be there,
> because it has been renamed using the $engine-$format
> convention.

TeX does not directly open the file, but issues a kpathsea
call for doing this. The kpathsea library knows $progname
and $engine and could implement the described searches.


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