On Thu, Apr 21, 2011 at 1:32 PM, Wolfgang Schuster
<[email protected]> wrote:
>
> Am 21.04.2011 um 12:28 schrieb Verhaag, G.C.H.M.:
>
> Hi,
>
> I try this example from the wiki page System Macros/Argument handling:
>
> \def\dodefinesomething[#1][#2]%
> {\getparameters[\??xx#1][#2]}
>
> \def\definesomething%
> {\dodoubleargumentwithset\dodefinesomething}
>
> \starttext
> \definesomething[alfa][variable=test]
> \stoptext
>
>
> Running this yields
>
> ! Undefined control sequence
>
> I'm trying to write a few macros with optional delimited arguments with
> key-value sets and started reading the appropriate pages, but can't figure
> out why this example fails to run.
>
> Anybody any idea?
>
> I guess the message comes from your namespace which is in this form
> only allowed in unprotected mode, to enter you need \unprotect before
> and \protect after your command declarations
! Undefined control sequence.
system > tex > error on line 8 in file test.tex: Undefined
control sequence ...
1 \unprotect
2 \def\definesomething%
3 {\dodoubleargumentwithset\dodefinesomething}
4 \def\dodefinesomething[#1][#2]%
5 {\getparameters[\??xx#1][#2]}
6 \protect
7 \starttext
8 >> \definesomething[alfa][variable=test]
9 \stoptext
10
11
12
<argument> \??xx
alfa
\setsomevalue #1#2->\@EA \def \csname #1
#2\endcsname
\p!doassign ...EAEA \setsomevalue \fi \fi {#1}{#2}
{#3}
\xprocesscommaitem ...@relax@ #1==\empty \@relax@
\@EAEAEA \xprocesscommaite...
\xdogetparameters #1]->\xprocesscommaitem #1,]
,\@relax@
\next1 #1,->\@@dodowithsetcommand {#1}
\doprocesscommaitem
...
l.8 \definesomething[alfa][variable=test]
--
luigi
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