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Sender: Mailing list for the LaTeX3 project <[log in to unmask]>
Date: Sun, 14 Sep 2008 22:16:04 +0200
Reply-To: Mailing list for the LaTeX3 project <[log in to unmask]>
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From: Lars Hellström <[log in to unmask]>
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Joseph Wright skrev:
> Hello all,
> I wonder if anyone can make a suggestion on how to solve a problem I'm
> finding rather tricky with my "keys" efforts.  The issue is adding code
> to an existing macro.  There are a number of scenarios, but I control
> the initial definition, 

In that case, I would *strongly* suggest designing your macro to be 
extendable to begin with -- e.g. equip it with a helper macro that acts 
as hook. There might in rare cases be a need to pass parameters to this 
hook (although storing them in helper macros is typically easier), but 
there should never be a need to use delimited arguments.

Lars Hellström