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.
|License||The LaTeX Project Public License|
|Contained in||TeX Live as xoptarg|
|MiKTeX as xoptarg|
alternative ways of defining macros
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Maybe you are interested in the following packages as well.
- optparams: Macros with multiple optional parameters
- xnewcommand: Define \global and \protected commands with \newcommand
- xtemplate: A high-level interface for declaring document commands
- xfp: Interface to the LaTeX3 floating point unit