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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+\documentclass[11pt]{article}
+
+\topmargin=0in
+\oddsidemargin=0.25in
+\evensidemargin=0.25in
+\textwidth=6in
+\textheight=8in
+
+\setlength{\vfuzz}{4pt} % to ignore trivial vertical overfull boxes
+\sloppy
+
+\usepackage[noBBpl]{mathpazo}
+\usepackage{enumerate}
+
+ \begin{document}
+
+ \title{DE-MACRO}
+
+ \author{Copyright 2005-2007 P\'eter G\'acs\\
+Licensed under the Academic Free Licence version 2.1}
+
+\maketitle
+
+Version 1.3 - this version is much more conservative about deleting
+ comments and inserting or deleting blank space: tries to
+ leave in all comments, adds space only when necessary, and
+ tries not to delete space in the main text.
+ The motivating comments came from Daniel Webb.
+
+Version 1.2 - a syntactical bug corrected, thanks Brian de Alwis!
+
+ \section*{Purpose}
+
+This program can eliminate most private macros from a LaTeX file.
+Applications:
+ \begin{enumerate}[--]
+ \item your publisher has difficulty dealing with many private macros
+ \item you cooperate with colleagues who do not understand your macros
+ \item preprocessing before a system like latex2html, which is somewhat
+ unpredictable with private macros.
+ \end{enumerate}
+
+ \section*{Platform}
+
+This is a Python program, which I only have tried to run under Unix.
+But the Unix dependence is minimal (for example all the directory path
+references are platform-independent).
+It should be easy to adapt the
+program to Windows, and also to avoid command-line arguments.
+
+In case your Python is not in \verb`/usr/bin`, you should change the
+top line (the "shebang" line) of the program accordingly.
+This top line uses the \verb`-O` option for python (stands for ``optimize'').
+Without it, the program may run too slowly.
+If you do not care for speed,
+a number of other complications (the database, the checking for newer
+versions) could be eliminated.
+
+ \section*{Usage}
+
+Command line:
+ \begin{verbatim}
+ de-macro [--defs <defs-db>] <tex-file-1>[.tex] [<tex-file-2>[.tex] ...]
+ \end{verbatim}
+{\bfseries Simplest example:} \verb`de-macro testament`\\[0pt]
+(As you see, the \verb`<>` is used only in the notation of this
+documentation, you should not type it.)
+
+If \verb`<tex-file-i>` contains a command
+\verb`\usepackage{<defs-file>-private}`
+then the file \verb`<defs-file>-private.sty`
+will be read, and its macros will be
+replaced in \verb`<tex-file-i>` with their definitions.
+The result is in \verb`<tex-file-i>-clean.tex`.
+
+Only \verb`newcommand`, \verb`renewcommand`,
+\verb`newenvironment` and \verb`renewenvironment` are
+understood (it does not matter, whether you write \verb`new` or
+\verb`renew`).
+These can be nested but do not be too clever, since I do not
+guarantee the same expansion order as in TeX.
+
+ \section*{Files}
+
+ \begin{verbatim}
+<tex-file-1>.db
+<tex-file>-clean.tex
+<defs-file>-private.sty
+ \end{verbatim}
+For speed, a macro database file called \verb`<defs-file>.db` is created.
+If such a file exists already then it is used.
+If \verb`<defs-file>-private.sty` is older than \verb`<tex-file-1>.db`
+then it will not be used.
+
+It is possible to specify another database filename via \verb`--defs <defs-db>`.
+Then \verb`<defs-db>.db` will be used.
+
+(Warning: with some Python versions and/or Unix platforms, the database
+file name conventions may be different from what is said here.)
+
+For each \verb`<tex-file-i>`, a file \verb`<tex-file-i>-clean.tex`
+will be produced.
+If \verb`<tex-file-i>-clean.tex` is newer than \verb`<tex-file-i>.tex`
+then it stays.
+
+ \section*{Input command}
+
+If a tex file contains a command \verb`\input{<tex-file-j>}` or
+\verb`\input <tex-file-j>`
+then \verb`<tex-file-j>.tex` is processed recursively, and
+\verb`<tex-file-j>-clean.tex` will be inserted into the final output.
+For speed, if \verb`<tex-file-j>-clean.tex` is newer than
+\verb`<tex-file-j>.tex` then \verb`<tex-file-j>.tex` will not be
+reprocessed.
+
+The dependency checking is not sophisticated, so if you rewrite some macros
+then remove all \verb`*-clean.tex` files!
+
+ \end{document}