1fmtutil.cnf(5)                File Formats Manual               fmtutil.cnf(5)
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NAME

6       fmtutil.cnf - configuration file for fmtutil
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DESCRIPTION

9       The  fmtutil.cnf  file contains the configuration information for fmtu‐
10       til(8).  Each line contains the name  of  the  format  (e.g.,  ``tex´´,
11       ``latex´´, ``omega´´), the name of the engine that is used by that for‐
12       mat (e.g., ``tex´´, ``etex´´, ``omega´´), the pattern file (e.g.,  lan‐
13       guage.dat, language.def), and any arguments (name of an .ini file).
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15       Fields  are separated by whitespace and complete lines can be commented
16       out with ``#´´.  The ``pattern file´´ field cannot be used to define  a
17       file  that  is  used while building the format.  It tells fmtutil which
18       files (separated by commas) the format creation procedure reads and  it
19       has  an effect to the options --showhyphen and --byhyphen.  If the for‐
20       mat has no way to customize hyphenation, a ``-´´ can be used  to  indi‐
21       cate this.
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NOTES

24       The tex(1) and amstex(1) formats always load hyphen.tex.  No customiza‐
25       tion by a pattern file is available for these formats.  Therefore,  the
26       pattern-file  field  for  the tex and amstex is usually indicated to be
27       empty (``-´´).
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29       You can, however, build customized formats on top of  plain  tex(1)  or
30       amstex(1)  by  using  bplain.tex  instead of plain.tex (b for the Babel
31       system). See, for example, the bplain.ini file for the bplain format).
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33       etex(1) loads language.def, not language.dat.
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35       Symbolic links to the correct engines (e.g., bplain -> tex) are  gener‐
36       ated  by  the  texlinks(8) script.   Remember to run texlinks(8) if you
37       run fmtutil(8) yourself, rather than using the FORMATS option  in  tex‐
38       config(8).
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FILES

41       fmtutil.cnf
42              default configuration file
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44       language.dat
45              hyphenation pattern file
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47       language.def
48              hyphenation pattern file
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50       language.dat.lua
51              hyphenation pattern file
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SEE ALSO

54       amstex(1), etex(1), fmtutil(8), tex(1), texconfig(8), texlinks(8).
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56       <https://tug.org/texlive/scripts-sys-user.html>
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BUGS

59       Email  bug  reports  to  <https://lists.tug.org/tex-k>  (public mailing
60       list).
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AUTHOR

63       fmtutil and fmtutil.cnf was originally written by Thomas Esser.
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65       This manual page was written by C.M. Connelly for the Debian  GNU/Linux
66       system. It is now maintained as part of TeX Live.
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70TeX Live                         8 March 2022                   fmtutil.cnf(5)
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