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 that they have at least one mandatory argument.
|Licenses||The LaTeX Project Public License|
|Contained in||TeX Live as xoptarg|
MiKTeX as xoptarg
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Maybe you are interested in the following packages as well.
- optparams: Macros with multiple optional parameters
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- pdftex-def: Colour and Graphics support for pdfTeX
- graphics-def: Colour and graphics option files