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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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+
+ The xargs package
+
+ Defining commands with many optional arguments made easy
+
+ Manuel P\'egouri\'e-Gonnard <mpg@math.jussieu.fr>
+
+
+Presentation
+------------
+
+Defining commands with an optional argument is easy in LaTeXe. There is,
+however, two limitations: only one argument can be optional and it must
+be the first one. The xargs package provide extended variants of
+\newcommand & friends, for which these limitations no longer hold. It
+allows to control what happens with many consecutive optional arguments.
+It also provide a way of making the definition global.
+
+Some features of xargs are similar to those provided by the experimental
+`xparse' package, which also allows more flexible argument syntaxes,
+though the approach and syntax are different. However, xargs is not
+experimental, so I hope it can be useful while waiting for a stable
+LaTeX3 release.
+
+Contents
+--------
+
+xargs.sty: the package itself
+xargs.pdf: the (English) documentation and documented code
+xargs-fr.pdf: the French documentation
+
+xargs.dtx: source for both documentations and package
+
+Version info
+------------
+
+2007-10-20 v1.0 First release
+2008-03-08 v1.09 Added the usedefault and addprefix keys, not
+ documented yet...
+2008-03-22 v1.1 Updated the documentation and fixed a bug in
+ \DeclareRobustCommandx, introduced in v1.09.
+
+License
+-------
+
+This material is subject to the LaTeX Project Public License. See
+http://www.ctan.org/tex-archive/help/Catalogue/licenses.lppl.html for the
+details of that license.
+