[texhax] Creating stared versions of macros

Morten Høgholm moho01ab at student.cbs.dk
Thu Dec 30 14:10:26 CET 2004

On Thu, 30 Dec 2004 12:36:20 +0100, Stefan Björk <stefan at raggmunk.nu>  

>> instead of RTFM -- try to look inside your favorite packages or clases
> I tried (pstricks) but that was even more confusing. :-)

That particular one is pretty hairy!

This small example should perhaps make it a little clearer:
     {Star version, two mandatory arguments:
      \testa at star}
     {No star, one mandatory and one optional argument:
      \testa at nostar}%

\newcommand*\testa at star[2]{%
   Arg~1:~``#1'', arg~2:~``#2''.%
\newcommand*\testa at nostar[2][Default]{%
   Arg~1:~``#1'', arg~2:~``#2''.%


   \testa{Mandatory only}

This kind of trickery will be a lot easier in the (near) future with the  
xparse package. You can get it from  
<http://www.latex-project.org/code/experimental/xbase.tgz> if you want to  
look at it.
Morten Høgholm

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