[dev-context] Re: [NTG-context] bib module: \setupcite macro

[Hans Hagen]

Taco Hoekwater wrote:

> This will not work. I really did need the conditional addition,
> but I want to add rather weird items that would create, e.g.,
> a commalist that looks like:

\def\robustdoifinsetelse#1#2%
  {\expanded{\convertargument#1}\to\!!stringa
   \expanded{\convertargument#2}\to\!!stringb
   \rawdoifinsetelse\!!stringa\!!stringb}

\def\robustaddtocommalist#1#2% {item} \cs
  {\robustdoifinsetelse{#1}#2\resetglobal
     {\dodoglobal\edef#2{\ifx#2\empty\else#2,\fi#1}}}

\def\robustpretocommalist#1#2% {item} \cs
  {\robustdoifinsetelse{#1}#2\resetglobal
     {\dodoglobal\edef#2{#1\ifx#2\empty\else,#2\fi}}}

Hans