Hi,
please consider the following minimal example:
\def\before{\dodoubleempty\dobefore}%
\def\dobefore[#1][#2]{before}
\starttext
\before[] after (should be: \before[]\ after without explicit \type{\ })\par
\before[]after\par
\before[][] after\par % this works
\before[][]after\par
\stoptext
How can I prevent gobbling the following space, when the second optional
argument is not given (i.e. first line). The macro itself should not insert
space if the command is followed by any other character (2nd and 4th line).
Thanks,
Florian
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