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Package xoptarg:
Expandable macros that take an optional argument.

Commands that take an optional argument are not ordinarily expandable; this package allows such commands to be expandable provided they have at least one mandatory argument.

Getting it

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Distribution Package name
MiKTeX xoptarg
TeX Live xoptarg

You can also visit xoptarg's CTAN directory to browse the source or download the material for installation by hand.

More

Documentation on CTAN
Readme
Package documentation
Documentation off CTAN -none known-
Maintainers
Josselin Noirel
Version 1.0
License LaTeX Project Public License
Related packages -none recorded-
Keywords
macro programming
Characterizations
primary:
Programming in TeX > Other

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