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etex, einitex, evirtex - extended TeX
This manual page is not meant to be exhaustive. The complete
documentation for this version of TeX can be found in the info file
Web2C: A TeX implementation
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
it is supposed to be completely interchangable with standard TeX.
several new primitives are added that facilitate (among other things)
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
as the extended version of
as the extended version of
is an exception to this rule.
commands are e-TeX's analogues to the
commands. In this installation, they are symlinks to the
e-TeX's handling of its command-line arguments is similar to that of
This version of e-TeX understands the following command line options.
- --efmt format
as the name of the format to be used, instead of the name by which
e-TeX was called or a
Print error messages in the form
which is similar to the way many compilers format them.
Print help message and exit.
for dumping formats; this is implicitly true if the program is called
- --interaction mode
Sets the interaction mode. The mode can be one of
The meaning of these modes is the same as that of the corresponding
Send DVI output to a socket as well as the usual output file. Whether
this option is available is the choice of the installer.
and starts the server at the other end as well. Whether this option
is available is the choice of the installer.
- --jobname 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
manual for details.
- --maketex fmt
must be one of
Enable MLTeX extensions.
- --no-maketex fmt
must be one of
- --output-comment string
for the DVI file comment instead of the date.
If the first line of the main input file begins with
parse it to look for a dump name or a
- --progname name
Pretend to be program
This affects both the format used and the search paths.
Enable the filename recorder. This leaves a trace of the files opened
for input and output in a file with extension
can be any Bourne shell command. This construct is normally
disallowed for security reasons.
- --translate-file tcxname
Print version information and exit.
See the Kpathsearch library documentation (the `Path specifications'
node) for precise details of how the environment variables are used.
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.
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
and the current directory is not writable, if TEXMFOUTPUT has
e-TeX attempts to create
if any output is produced.)
Search path for
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
file. For example, set TEXINPUTS to ".:/home/usr/tex:" to prepend the
current direcory and ``/home/user/tex'' to the standard search path.
Search path for font metric
Search path for format files.
search path for
Command template for switching to editor. The default, usually
is set when e-TeX is compiled.
The location of the files mentioned below varies from system to
system. Use the
utility to find their locations.
Encoded text of e-TeX's messages.
Filename mapping definitions.
Metric files for e-TeX's fonts.
Predigested e-TeX format (.efmt) files.
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
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
file will be invalid.
- SEE ALSO