Multi-lingual TeX (mltex) is an extension of TeX originally
written by Michael Ferguson and now updated and maintained by Bernd
Raichle. It allows the use of non-existing glyphs in a font by
declaring glyph substitutions. These are restricted to substitutions of
an accented character glyph, which need not be defined in the current
font, by its appropriate \accent construction using a base and
accent character glyph, which do have to exist in the current font.
This substitution is automatically done behind the scenes, if necessary,
and thus MLTeX additionally supports hyphenation of words containing
an accented character glyph for fonts missing this glyph (e.g., Computer
Modern). Standard TeX suppresses hyphenation in this case.
MLTeX works at `.fmt'-creation time: the basic idea is to
specify the `-mltex' option to TeX when you \dump a
format. Then, when you subsequently invoke TeX and read that
.fmt file, the MLTeX features described below will be enabled.
Generally, you use special macro files to create an MLTeX .fmt
file. See:
CTAN:/systems/generic/mltex `ftp://ftp.univ-rennes1.fr/pub/GUTenberg/french/'
The sections below describe the two new primitives that MLTeX defines. Aside from these, MLTeX is completely compatible with standard TeX.
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