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21 Dec
2021
21 Dec
'21
11:02 a.m.
Joel via ntg-context schrieb am 21.12.2021 um 18:51:
[...]
\define[3]\ifisempty{% \setbox0=\hbox{#1\unskip}% \ifdim\wd0=0pt #2% \else #3% \fi }%
No need for your own command because ConTeXt already provides \doifemptyelse which does the same thing. Wolfgang