There is something I do not understand in the passing of parameters from TeX to
LuaTex.
This is my TeX definition:
\def\ListSort[#1]#2{\directlua{hvdm.listsort([===[#2]===],[===[#1]===])}}
Calling \ListSort[sep={ + }]{} delivers the string 'sep={ + }' into LuaTeX as
the printout in the logfile shows and as intended.
However in \ListSort[{ + }]{} the braces have disappeared and transferred is
nothing more than ' + '.
Why is the transfer messing up the character string I am passing by removing
the outer braces? Is this a bug or is it an unavoidable consequence of the
TeX-LuaTeX interface?
dr. Hans van der Meer
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