Re: how to dismantle parametrized macro

["Johannes Hüsing" <hannes@ruhrau.de>]

Hans Hagen <pragma@wxs.nl> [Wed, May 21, 2003 at 02:30:44PM CEST]:
[...]
> 
> \def\defineCBpalet{\dodoubleempty\dodefineCBpalet}
> 
> \def\dodefineCBpalet[#1][#2]%
>   {\getparameters[CB][\c!n=3,#2]
>    \let\CBcolorlist\empty
>    \dorecurse\CBn
>      {\addtocommalist
>         {#1:\recurselevel=#1:\recurselevel:\CBn} % is always expanded
>         \CBcolorlist}
>    \expanded{\definepalet[#1][\CBcolorlist]}}
> 
> \defineCBpalet[Accent][n=5]

This gives the following error message here:

! Missing \endcsname inserted.
<to be read again> 
                   \unhbox
\leavevmode ->\unhbox 
                      \voidb@x
\bottomaccent #1#2#3#4#5->\leavevmode 
                                      \vtop {\forgetall \baselineskip \zerop...

\dohandleaccent ...acterencoding #1\endcsname {#2}
                                                  \else \csname \nocharacter...
<argument> \c !
               n
\dosetvalue ...!internal!n \ifcsname \k!prefix! #2
                                                  \endcsname \let \c!interna...
...
l.22 \defineCBpalet[Accent][n=5]

What gives?


Johannes
-- 
Johannes Hüsing   There is something fascinating about science. One gets
hannes@ruhrau.de  such wholesale returns of conjecture from such a 
                  trifling investment of fact.                Mark Twain