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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.

Sources /macros/latex/contrib/xoptarg
Ver­sion 1.0
Li­cense The Project Public Li­cense
Main­tainer Jos­selin Noirel
Con­tained in TeX Live as xop­targ
MiKTeX as xop­targ
Topics al­ter­na­tive ways of defin­ing macros

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