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+.TH ETEX 1 "21 August 2004" "Web2C 7.5.5"
+.\"=====================================================================
+.if n .ds MF Metafont
+.if t .ds MF M\s-2ETAFONT\s0
+.if t .ds TX \fRT\\h'-0.1667m'\\v'0.20v'E\\v'-0.20v'\\h'-0.125m'X\fP
+.if n .ds TX TeX
+.if n .ds MF Metafont
+.if t .ds MF M\s-2ETAFONT\s0
+.ie t .ds OX \fIT\v'+0.25m'E\v'-0.25m'X\fP for troff
+.el .ds OX TeX for nroff
+.\" the same but obliqued
+.\" BX definition must follow TX so BX can use TX
+.if t .ds BX \fRB\s-2IB\s0\fP\*(TX
+.if n .ds BX BibTeX
+.\" LX definition must follow TX so LX can use TX
+.if t .ds LX \fRL\\h'-0.36m'\\v'-0.15v'\s-2A\s0\\h'-0.15m'\\v'0.15v'\fP\*(TX
+.if n .ds LX LaTeX
+.if t .ds AX \fRA\\h'-0.1667m'\\v'0.20v'M\\v'-0.20v'\\h'-0.125m'S\fP\*(TX
+.if n .ds AX AmSTeX
+.if t .ds AY \fRA\\h'-0.1667m'\\v'0.20v'M\\v'-0.20v'\\h'-0.125m'S\fP\*(LX
+.if n .ds AY AmSLaTeX
+.\"=====================================================================
+.SH NAME
+etex, einitex, evirtex \- extended TeX
+.SH SYNOPSIS
+.B etex
+.RI [ options ]
+[\fB&\fR \fIformat\fR ]
+[ \fIfile\fR | \fB\e\fR \fIcommands\fR ]
+.\"=====================================================================
+.SH DESCRIPTION
+Run the e-\*(TX typesetter on
+.IR file ,
+usually creating
+.IR file.dvi .
+If the file argument has no extension, ".tex" will be appended to it. 
+Instead of a filename, a set of e-\*(TX commands can be given, the first
+of which must start with a backslash.
+With a 
+.BI & format
+argument e-\*(TX uses a different set of precompiled commands,
+contained in
+.IR format.fmt ;
+it is usually better to use the
+.B -fmt
+.I format
+option instead.
+.PP
+e-\*(TX 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 \*(TX, whilst
+respecting Knuth's wish that \*(TX should remain frozen.
+.PP
+e-\*(TX can be used in two different modes: in
+.I compatibility mode
+it is supposed to be completely interchangable with standard \*(TX.
+In
+.I extended mode
+several new primitives are added that facilitate (among other things)
+bidirectional typesetting.
+.PP
+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
+.B etex
+as the extended version of
+.B tex
+and
+.B elatex
+as the extended version of
+.BR latex .
+However,
+.B eplain
+is an exception to this rule.
+.PP
+The
+.B einitex
+and
+.B evirtex
+commands are e-\*(TX's analogues to the
+.B initex
+and
+.B virtex
+commands.  In this installation, they are symbolic links to the
+.B etex
+executable.  These symbolic links may not exist at all.
+.PP
+e-\*(TX's handling of its command-line arguments is similar to that of
+the other \*(TX programs in the
+.I web2c
+implementation.
+.\"=====================================================================
+.SH OPTIONS
+This version of e-\*(TX understands the following command line options.
+.TP
+.BI -fmt \ format
+.rb
+Use
+.I format
+as the name of the format to be used, instead of the name by which
+e-\*(TX was called or a
+.I %&
+line.
+.TP
+.B -enc
+.rb
+Enable the enc\*(TX extensions.  This option is only effective in
+combination with
+.BR -ini .
+For documentation of the enc\*(TX extensions see
+.BR http://www.olsak.net/enctex.html .
+.TP
+.B -etex
+.rb
+Enable the e-\*(TX extensions.  This option is only effective in
+combination with
+.BR -ini .
+.TP
+.B -file-line-error
+.rb
+Print error messages in the form
+.I file:line:error
+which is similar to the way many compilers format them.
+.TP
+.B -no-file-line-error
+.rb
+Disable printing error messages in the
+.I file:line:error
+style.
+.TP
+.B -file-line-error-style
+.rb
+This is the old name of the
+.B -file-line-error
+option.
+.TP
+.B -halt-on-error
+.rb
+Exit with an error code when an error is encountered during processing.
+.TP
+.B -help
+.rb
+Print help message and exit.
+.TP
+.B -ini
+.rb
+Start in
+.I INI
+mode, which is used to dump formats.  The
+.I INI
+mode can be used for typesetting, but no format is preloaded, and
+basic initializations like setting catcodes may be required.
+.TP
+.BI -interaction \ mode
+.rb
+Sets the interaction mode.  The mode can be either
+.IR batchmode ,
+.IR nonstopmode ,
+.IR scrollmode ,
+and
+.IR errorstopmode .
+The meaning of these modes is the same as that of the corresponding
+\ecommands.
+.TP
+.B -ipc
+.rb
+Send DVI output to a socket as well as the usual output file.  Whether
+this option is available is the choice of the installer.
+.TP
+.B -ipc-start
+.rb
+As
+.BR -ipc ,
+and starts the server at the other end as well.  Whether this option
+is available is the choice of the installer.
+.TP
+.BI -jobname \ name
+.rb
+Use
+.I name
+for the job name, instead of deriving it from the name of the input file.
+.TP
+.BI -kpathsea-debug \ bitmask
+.rb
+Sets path searching debugging flags according to the bitmask.  See the
+.I Kpathsea
+manual for details.
+.TP
+.BI -mktex \ fmt
+.rb
+Enable
+.RI mktex fmt ,
+where
+.I fmt
+must be either
+.I tex
+or
+.IR tfm .
+.TP
+.B -mltex
+.rb
+Enable ML\*(TX extensions.  Only effective in combination with
+.BR -ini .
+.TP
+.BI -no-mktex \ fmt
+.rb
+Disable
+.RI mktex fmt ,
+where
+.I fmt
+must be either
+.I tex
+or
+.IR tfm .
+.TP
+.BI -output-comment \ string
+.rb
+Use
+.I string
+for the
+.I DVI
+file comment instead of the date.
+.TP
+.BI -output-directory \ directory
+.rb Write output files in
+.I directory
+instead of the current directory.  Look up input files in
+.I directory
+first, the along the normal search path.
+.TP
+.B -parse-first-line
+.rb
+If the first line of the main input file begins with
+.I %&
+parse it to look for a dump name or a
+.B -translate-file
+option.
+.TP
+.B -no-parse-first-line
+.rb
+Disable parsing of the first line of the main input file.
+.TP
+.BI -progname \ name
+.rb
+Pretend to be program
+.IR name .
+This affects both the format used and the search paths.
+.TP
+.B -recorder
+.rb
+Enable the filename recorder.  This leaves a trace of the files opened
+for input and output in a file with extension
+.IR .fls .
+.TP
+.B -shell-escape
+.rb
+Enable the
+.BI \ewrite18{ command }
+construct.  The
+.I command
+can be any shell command.  This construct is normally
+disallowed for security reasons.
+.TP
+.B -no-shell-escape
+.rb
+Disable the
+.BI \ewrite18{ command }
+construct, even if it is enabled in the
+.I texmf.cnf
+file.
+.TP
+.B -src-specials
+.rb
+Insert source specials into the
+.I DVI
+file.
+.TP
+.BI -src-specials \ where
+.rb
+Insert source specials in certain placed of the
+.I DVI
+file.
+.I where
+is a comma-separated value list:
+.IR cr ,
+.IR display ,
+.IR hbox ,
+.IR math ,
+.IR par ,
+.IR parent ,
+or
+.IR vbox .
+.TP
+.BI -translate-file \ tcxname
+.rb
+Use the
+.I tcxname
+translation table to set the mapping of input characters and
+re-mapping of output characters.
+.TP
+.BI -default-translate-file \ tcxname
+.rb
+Like
+.B -translate-file
+except that a
+.I %&
+line can overrule this setting.
+.TP
+.B -version
+.rb
+Print version information and exit.
+.\"=====================================================================
+.SH ENVIRONMENT
+See the Kpathsearch library documentation (the `Path specifications'
+node) for precise details of how the environment variables are used.
+The
+.B kpsewhich
+utility can be used to query the values of the variables.
+.PP
+One caveat: In most e-\*(TX formats, you cannot use ~ in a filename you
+give directly to e-\*(TX, because ~ is an active character, and hence is
+expanded, not taken as part of the filename.  Other programs, such as
+\*(MF, do not have this problem.
+.PP
+.TP
+TEXMFOUTPUT
+Normally, e-\*(TX 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
+.I etex paper
+and the current directory is not writable, if TEXMFOUTPUT has
+the value
+.IR /tmp ,
+e-\*(TX attempts to create
+.I /tmp/paper.log
+(and
+.IR /tmp/paper.dvi ,
+if any output is produced.)
+.TP
+TEXINPUTS
+Search path for
+.I \einput
+and
+.I \eopenin
+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
+.I 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.
+.TP
+TEXFORMATS
+Search path for format files.
+.TP
+TEXPOOL
+search path for
+.B etex
+internal strings.
+.TP
+TEXEDIT
+Command template for switching to editor.  The default, usually
+.BR vi ,
+is set when e-\*(TX is compiled.
+.TP
+TFMFONTS
+Search path for font metric
+.RI ( .tfm )
+files.
+.\"=====================================================================
+.SH FILES
+The location of the files mentioned below varies from system to
+system.  Use the
+.B kpsewhich
+utility to find their locations.
+.TP
+.I etex.pool
+Text file containing e-\*(TX's internal strings.
+.TP
+.I texfonts.map
+Filename mapping definitions.
+.TP
+.I *.tfm
+Metric files for e-\*(TX's fonts.
+.TP
+.I *.fmt
+Predigested e-\*(TX format (.\|fmt) files.
+.br
+.\"=====================================================================
+.SH NOTES
+This manual page is not meant to be exhaustive.  The complete
+documentation for this version of e-\*(TX can be found in the info
+manual
+.IR "Web2C: A TeX implementation" .
+.\"=====================================================================
+.SH BUGS
+This version of e-\*(TX implements a number of optional extensions.
+In fact, many of these extensions conflict to a greater or lesser
+extent with the definition of e-\*(TX.  When such extensions are
+enabled, the banner printed when e-\*(TX starts is changed to print
+.B e-TeXk
+instead of
+.BR e-TeX .
+.PP
+This version of e-\*(TX fails to trap arithmetic overflow when
+dimensions are added or subtracted.  Cases where this occurs are rare,
+but when it does the generated
+.I DVI
+file will be invalid.
+.\"=====================================================================
+.SH "SEE ALSO"
+.BR tex (1),
+.BR mf (1).
+.\"=====================================================================
+.SH AUTHORS
+e-\*(TX was developed by Peter Breitenlohner (and the NTS team).
+.PP
+\*(TX was designed by Donald E. Knuth,
+who implemented it using his \*(WB 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 \*(TX distribution is that
+generated by the \*(WB to C system
+.RB ( web2c ),
+originally written by Tomas Rokicki and Tim Morgan.
+.PP
+The enc\*(TX extensions were written by Petr Olsak.