[dev-context] \definelistplacement

[Hans Hagen]

On 18-1-2012 00:02, Wolfgang Schuster wrote:
> Hi,
>
> can the \defineplistplacement command in the same way be modified as the \defineheadplacement command to allow
>
>    \definelistplacement[…][…]#1#2#3{…} % old form with parameters
>
> and
>
>    \definelistplacement[…][…]{…} % new form without parameters
>
>
> \unexpanded\def\definelistplacement
>    {\dodoubleempty\dodefinelistplacement}
>
> \def\dodefinelistplacement[#1][#2]%
>    {\setvalue{\??listelement#1}%
>       {\doifelsenothing{#2}
>          {\getvalue{\??listelement\v!command}}%
>          {\expandcheckedcsname\??listelement{#2}\v!command}%
>        \setlistparameter\c!command{\getvalue{\??listelementcommand#1}}}%
>     \doifnextbgroupelse
>       {\dodefinelistplacementyes{#1}}
>       {\dodefinelistplacementnop{#1}}}
>
> \def\dodefinelistplacementyes#1%
>    {\setvalue{\??listelementcommand#1}##1##2}
>
> \def\dodefinelistplacementnop#1%
>    {\setvalue{\??listelementcommand#1}}

ok, done (btw, that module is on the to do list anyway)


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