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ETEX(1)                           Web2C 7.5.6                          ETEX(1)



NAME
       etex, einitex, evirtex - extended TeX

SYNOPSIS
       etex [options] [& format ] [ file | \ commands ]

DESCRIPTION
       Run  the  e-TeX  typesetter  on file, usually creating file.dvi.  If the file argument has no extension, ".tex"
       will be appended to it.  Instead of a filename, a set of e-TeX commands can be given, the first of  which  must
       start  with a backslash.  With a &format argument e-TeX uses a different set of precompiled commands, contained
       in format.fmt; it is usually better to use the -fmt format option instead.

       e-TeX is the first concrete result of an international research & development project, the NTS  Project,  which
       was  established  under  the  aegis  of  DANTE  e.V. during 1992. The aims of the project are to perpetuate and
       develop the spirit and philosophy of TeX, whilst respecting Knuth's wish that TeX should remain frozen.

       e-TeX can be used in two different modes: in compatibility mode it is supposed to be completely  interchangable
       with  standard  TeX.   In  extended  mode several new primitives are added that facilitate (among other things)
       bidirectional typesetting.

       An extended mode format is generated by prefixing the name of the source file for the format with  an  asterisk
       (*).   Such formats are often prefixed with an 'e', hence etex as the extended version of tex and elatex as the
       extended version of latex.  However, eplain is an exception to this rule.

       The einitex and evirtex commands are e-TeX's analogues to the initex and virtex commands.   In  this  installa-
       tion, they are symbolic links to the etex executable.  These symbolic links may not exist at all.

       e-TeX's handling of its command-line arguments is similar to that of the other TeX programs in the web2c imple-
       mentation.

OPTIONS
       This version of e-TeX understands the following command line options.

       -fmt format
              Use format as the name of the format to be used, instead of the name by which e-TeX was called or  a  %&
              line.

       -enc   Enable  the  encTeX extensions.  This option is only effective in combination with -ini.  For documenta-
              tion of the encTeX extensions see http://www.olsak.net/enctex.html.

       -etex  Enable the e-TeX extensions.  This option is only effective in combination with -ini.

       -file-line-error
              Print error messages in the form file:line:error which is similar to the way many compilers format them.

       -no-file-line-error
              Disable printing error messages in the file:line:error style.

       -file-line-error-style
              This is the old name of the -file-line-error option.

       -halt-on-error
              Exit with an error code when an error is encountered during processing.

       -help  Print help message and exit.

       -ini   Start in INI mode, which is used to dump formats.  The INI mode can be used for typesetting, but no for-
              mat is preloaded, and basic initializations like setting catcodes may be required.

       -interaction mode
              Sets the interaction mode.  The mode can be either batchmode, nonstopmode,  scrollmode,  and  errorstop-
              mode.  The meaning of these modes is the same as that of the corresponding \commands.

       -ipc   Send  DVI  output to a socket as well as the usual output file.  Whether this option is available is the
              choice of the installer.

       -ipc-start
              As -ipc, and starts the server at the other end as well.  Whether this option is available is the choice
              of the installer.

       -jobname name
              Use name for the job name, instead of deriving it from the name of the input file.

       -kpathsea-debug bitmask
              Sets path searching debugging flags according to the bitmask.  See the Kpathsea manual for details.

       -mktex fmt
              Enable mktexfmt, where fmt must be either tex or tfm.

       -mltex Enable MLTeX extensions.  Only effective in combination with -ini.

       -no-mktex fmt
              Disable mktexfmt, where fmt must be either tex or tfm.

       -output-comment string
              Use string for the DVI file comment instead of the date.

       -output-directory directory
              directory  instead of the current directory.  Look up input files in directory first, the along the nor-
              mal search path.

       -parse-first-line
              If the first line of the main input file begins with %& parse it to look for a dump name  or  a  -trans-
              late-file option.

       -no-parse-first-line
              Disable parsing of the first line of the main input file.

       -progname name
              Pretend to be program name.  This affects both the format used and the search paths.

       -recorder
              Enable  the  filename  recorder.  This leaves a trace of the files opened for input and output in a file
              with extension .fls.

       -shell-escape
              Enable the \write18{command} construct.  The command can be any shell command.  This construct  is  nor-
              mally disallowed for security reasons.

       -no-shell-escape
              Disable the \write18{command} construct, even if it is enabled in the texmf.cnf file.

       -src-specials
              Insert source specials into the DVI file.

       -src-specials where
              Insert  source  specials  in certain placed of the DVI file.  where is a comma-separated value list: cr,
              display, hbox, math, par, parent, or vbox.

       -translate-file tcxname
              Use the tcxname translation table to set the mapping of input characters and re-mapping of output  char-
              acters.

       -default-translate-file tcxname
              Like -translate-file except that a %& line can overrule this setting.

       -version
              Print version information and exit.

ENVIRONMENT
       See the Kpathsearch library documentation (the 'Path specifications' node) for precise details of how the envi-
       ronment variables are used.  The kpsewhich utility can be used to query the values of the variables.

       One caveat: In most e-TeX formats, you cannot use ~ in a filename you give directly to e-TeX, because ~  is  an
       active  character, and hence is expanded, not taken as part of the filename.  Other programs, such as Metafont,
       do not have this problem.


       TEXMFOUTPUT
              Normally, e-TeX puts its output files in the current directory.  If any output  file  cannot  be  opened
              there, it tries to open it in the directory specified in the environment variable TEXMFOUTPUT.  There is
              no default value for that variable.  For example, if you say etex paper and the current directory is not
              writable,   if   TEXMFOUTPUT   has  the  value  /tmp,  e-TeX  attempts  to  create  /tmp/paper.log  (and
              /tmp/paper.dvi, if any output is produced.)

       TEXINPUTS
              Search path for \input and \openin files.  This should probably start with ''.'', so that user files are
              found  before  system  files.   An  empty  path component will be replaced with the paths defined in the
              texmf.cnf file.  For example, set TEXINPUTS to ".:/home/usr/tex:" to prepend the  current  direcory  and
              ''/home/user/tex'' to the standard search path.

       TEXFORMATS
              Search path for format files.

       TEXPOOL
              search path for etex internal strings.

       TEXEDIT
              Command template for switching to editor.  The default, usually vi, is set when e-TeX is compiled.

       TFMFONTS
              Search path for font metric (.tfm) files.

FILES
       The  location  of  the  files  mentioned below varies from system to system.  Use the kpsewhich utility to find
       their locations.

       etex.pool
              Text file containing e-TeX's internal strings.

       texfonts.map
              Filename mapping definitions.

       *.tfm  Metric files for e-TeX's fonts.

       *.fmt  Predigested e-TeX format (.fmt) files.

NOTES
       Starting with version 1.40, pdfTeX incorporates the e-TeX extensions, so in this installation eTeX  is  just  a
       symbolic  link  to pdfTeX.  See pdftex(1).  This manual page is not meant to be exhaustive.  The complete docu-
       mentation for this version of e-TeX can be found in the info manual Web2C: A TeX implementation.

BUGS
       This version of e-TeX implements a number of optional extensions.  In fact, many of these  extensions  conflict
       to  a  greater  or  lesser  extent  with the definition of e-TeX.  When such extensions are enabled, the banner
       printed when e-TeX starts is changed to print e-TeXk instead of e-TeX.

       This version of e-TeX fails to trap arithmetic overflow when dimensions are added or subtracted.   Cases  where
       this occurs are rare, but when it does the generated DVI file will be invalid.

SEE ALSO
       pdftex(1), tex(1), mf(1).

AUTHORS
       e-TeX was developed by Peter Breitenlohner (and the NTS team).

       TeX  was  designed by Donald E. Knuth, who implemented it using his  system for Pascal programs.  It was ported
       to Unix at Stanford by Howard Trickey, and at Cornell by Pavel Curtis.  The version now offered with  the  Unix
       TeX  distribution  is  that  generated by the  to C system (web2c), originally written by Tomas Rokicki and Tim
       Morgan.

       The encTeX extensions were written by Petr Olsak.



pdftex 1.40                     7 January 2007                         ETEX(1)