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Use mylatexformat.ltx to make a format based on the preamble
of any LaTeX file.
The use of formats helps to speed up compilations: packages which have been
dumped in the format are loaded at very high speed. This is useful when a
document load many packages (pgf-TikZ among other...)
For the creation of the format use a command line like:
etex -initialize [opts] "&pdflatex" mylatexformat.ltx """abc.tex"""
mylatexformat.ltx has been primarily written from mylatex.ltx
(available on CTAN under the contrib/Carlisle/ directory) but
gets rid of many limitations or problems of mylatex.ltx.
More precisely:
- The format is created from the beginning of the file (usually
\documentclass[...]{...}
until either:
~ \begin{document}
~ \endofdump
if \endofdump is encountered in the preamble
~ \csname endofdump\endcsname
for convenience: to avoid `undefined control sequence'
in case the document is compiled without the format.
- \begin{document} \endofdump or \csname endofdump\endcsname
can be precedeed or followed by other macros or commentaries.
- Commentaries in the preamble are ignored (braces are not required
to be equilibrated).
- packages that modify the \document macro (like auxhook.sty or
etoolbox.sty) can be included in the format.
- A report is available in the .log file.
I have been using mylatexformat.ltx with MikTeX under:
- pdfTeX in dvi mode
- pdfTeX in pdf mode
- XeTeX
Comments about its use on other system are welcome !
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