Hans van der Meer wrote:
> Just curious, because the last of the three examples solves the problem.
>
> Why is it that this is allowed in the parameter list of \framed:
>
> \framed[frame=on,\iftrue width=3cm\fi]{abc}
i would not use that kind of tricks, since it's pure luck if it works
>
> But this gives an error:
> \framed[frame=on,\iftrue background=color,backgroundcolor=green\fi]{abc}
because a , is seen and it separates the if from the fi
>
> ! Incomplete \if; all text was ignored after line 42.
> <inserted text>
> � � � � � � � � \fi
> <*> test.tex
> � � � � � �� emergencyend
> ?
>
> Allthough�this works and solves the problem I had:
> \framed[frame=on,background=\iftrue color\else
> none\fi,backgroundcolor=green]{abc}
>
> Is this somewhat inconsistent behaviour intrinsic to some parameters?�
> I thought all parameters are picked up by a macro and then stashed away.
indeed
btw background=none will trigger an overlay called 'none', when defined
why do you need such tricks?
Hans
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