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       fmtutil - utility for maintaining TeX format files

       fmtutil-sys - utility for maintaining TeX format files system-wide


       fmtutil [ OPTION... ]  COMMAND

       fmtutil-sys [ OPTION... ]  COMMAND


       fmtutil  is  used to create or recreate format and hyphenation files or
       show information about format files.

       COMMAND is one of:

       --all  recreate all format files

       --byengine enginename
              (re)create formats that depend on the engine enginename

       --byfmt formatname
              (re)create the format for format formatname

       --byhyphen hyphenfile
              (re)create  formats  that  depend  on   the   hyphenation   file

       --help print a summary of commands and options

              create any missing format files

              recreate only existing format files

       --showhyphen formatname
              print the name of the hyphenation file for the format formatname

       --enablefmt formatname
              enable formatname in config file

       --disablefmt formatname
              disable formatname in config file

              list  (enabled  and  disabled)   configurations,   filtered   to
              available formats

              output the content of the config file

       --edit edit fmtutil.cnf file (disabled in Debian)

              show version info


       --cnffile file
              specify the configuration file fmtutil should use

              (not implemented, just for compatibility)

       --fmtdir directory
              set  the  destination  directory  for  format files generated by
              fmtutil to directory

              (not implemented, just for compatibility)

              (not implemented, just for compatibility)

       --test (not implemented, just for compatibility)


              default configuration file

              Debian-specific directory for configuration file snippets


       kpsewhich(1), update-fmtutil(1)


       None known, but report any bugs  found  to  <>
       (mailing list).


       fmtutil  was written by Thomas Esser <> and is in
       the public domain.

       This manual page was written by C.M. Connelly <>,  for  the
       Debian  GNU/Linux  system  and  later  slightly adapted for the teTeX 3