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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.
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