Re: newcommand with slides and itemize

Patrick,

>     \pdSlide{1}{2}[item 1 short vers. in lightgray]{%
>       item 1 long version long version in normal 
color\ldots}

You have to split up the command like this.
\def\pdSlide#1#2{\@ifnextchar[{\@pdSlide{#1}{#2}}{\@pdSlide
{#1}{#2}[]}}
\def\@pdSlide#1#2[#3]#4{...}

Make sure to test if #3 is empty or not in the definition 
like:
\def\temp@a{#3}
\ifx\temp@a\@empty
...
\fi

Hope that helps, good luck,
-Hendri.



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