related configuration files
This manual page explains briefly the usage of the three TeX configura-
tion update programs update-language and update-fmtutil.
The update-fontlang script should not be called directly, but only via
the two described links. For a more in-depth description, please see
the document TeX on Debian in /usr/share/doc/tex-common/TeX-on-
Debian.txt.gz (also available as HTML and PDF).
The programs update-language and update-fmtutil create or update the
configuration files language.dat and fmtutil.cnf, respectively. These
files define the hyphenation patterns to be loaded into LaTeX-related
TeX formats (language.dat), and the list of formats to be created
These programs can be used either in system-wide mode if called by
root, or in a user-specific mode if called by a user without super-user
-c DIR, --conf-dir=DIR
directory where the user-specific configuration files are looked
for in user-specific mode (default TEXMFCONFIG/language.d for
update-language and TEXMFCONFIG/fmt.d for update-fmtutil, where
TEXMFCONFIG is usually $HOME/.texmf-config).
-o FILE, --output-file=FILE
file to write the output to. Per default, in system-wide mode,
update-language writes to /var/lib/texmf/tex/generic/config/lan-
guage.dat and update-fmtutil writes to
perform sanity checks on the generated config file. Don't use
this in maintainer scripts.
don't write anything to the standard output during normal opera-
--help print a summary of the command-line usage and exit
output version information and exit
tain a magic header:
# -_- DebPkgProvidedMaps -_-
which local administrators should not remove. From the files with a
magic header, only those files which are also listed in one of the
files in /var/lib/tex-common/language-cnf/ for update-language, and
/var/lib/tex-common/fmtutil-cnf/ for update-fmtutil, are actually
included into the final output file. This way, local changes to the
configuration can be preserved while the package is in state 'rc' (that
is, the package is removed, but its configuration files are still
present). For details about this mechanism, package maintainers should
consult the Debian TeX Policy. As a special case, the files for Jade-
TeX and xmlTeX are only included if there is already a file for the
LaTeX format (see TeX on Debian for details).
The user-specific mode provides a way for a non-admin user to override
system-wide settings. In this mode, update-language writes to TEXMF-
VAR/tex/generic/config/language.dat, and update-fmtutil writes to TEXM-
FVAR/web2c/fmtutil.cnf, where TEXMFVAR is usually $HOME/.texmf-var.
Furthermore, files present within the user-specific configuration
directories are included in addition to the files present in the sys-
tem-wide configuration directories. In case the same filename exists
in the system-wide configuration directory and the user-specific con-
figuration directory, the user-specific file is used instead of the
system-wide one. The user-specific configuration directories are TEXMF-
CONFIG/language.d for update-language and TEXMFCONFIG/fmt.d for update-
fmtutil, where TEXMFCONFIG is usually $HOME/.texmf-config. The system-
wide configuration directories have the same names, but are located in
/etc/texmf/ instead of TEXMFCONFIG.
Note that changes introduced by updates of packages are not propagated
to the user's configuration files. This has to be done by hand.
This file is generated or updated by update-language in system-
wide mode and contains a list of the hyphenation patterns loaded
into LaTeX-based formats by fmtutil-sys.
This file is generated or updated by update-fmtutil in system-
wide mode and contains a list of formats to be generated by
Input files for update-language
Input files for update-fmtutil
Lists the file(s) installed by package in /etc/texmf/lan-
to be found in /usr/share/doc/tex-common/TeX-on-Debian.txt.gz
(also available as HTML and PDF), describing in more detail how
to setup and maintain a TeX system in Debian. It also includes
details on user-specific configuration.
Debian TeX Policy
to be found in /usr/share/doc/tex-common/Debian-TeX-Pol-
icy.txt.gz (also available as HTML and PDF), describing the
internals and the TeX Policy established on the Debian TeX mail-
ing-list (email@example.com). Intended audience
is mainly developers packaging TeX-related resources for Debian.
a debhelper-like script for managing the installation of files
into the system-wide configuration directories; this script
helps to write Debian packages containing TeX-related resources
that conform to the Debian TeX Policy.
This manual page was written by Norbert Preining <firstname.lastname@example.org>
for the Debian distribution (and may be used by others). It was later
updated by Florent Rougon <email@example.com>.
Debian 2006-12-11 update-fontlang(8)
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