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Installation
************
The simplest way to install Eplain is simply to install the file
`eplain.tex' in a directory where TeX will find it. What that
directory is obviously depends on your operating system and TeX
installation. I personally install `eplain.tex' in a directory
`/usr/local/lib/texmf/tex/plain'.
If you want, you can also create a format (`.fmt') file for Eplain,
which will eliminate the time spent reading the macro source file with
`\input'. You do this by issuing a sequence of Unix commands something
like this:
prompt$ touch eplain.aux
prompt$ initex
This is TeX, ...
**&plain eplain
(eplain.tex)
*\dump
... MESSAGES ...
You must make sure that `eplain.aux' exists _before_ you run `initex';
otherwise, warning messages about undefined labels will never be issued.
You then have to install the resulting `eplain.fmt' in some system
directory or set an environment variable to tell TeX how to find it. I
install the format files in `/usr/local/lib/texmf/ini'; the environment
variable for the Web2C port of TeX to Unix is `TEXFORMATS'.
Some implementations of TeX (including Web2C) use the name by which
TeX is invoked to determine what format to read. For them, you should
make a link to the `virtex' program named `etex', and then install the
format file with the name `etex.fmt'. This lets users invoke TeX as
`etex' and get the format file read automatically, without having to
say `&eplain'.
For convenience, the file `etex.tex' in the distribution directory
does `\input eplain' and then `\dump', so that if you replace `eplain'
with `etex' in the example above, the format file will end up with the
right name.
The `install' target in the `Makefile' does all this properly for
Unix systems and Web2C. You may have to change the pathnames.
Under emtex, `eaj@acpub.duke.edu' says that
tex386 -i ^&plain eplain \dump
produces a format file.
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