The following example produces different results when processed by LMTX
and MkIV. In particular, a space between the X and Y is not
auto-inserted by LMTX, while it is by MkIV.
\starttexdefinition TEST #1
#1\autoinsertnextspace
\stoptexdefinition
\tt
\starttext
\TEST{X} \emph{Y}
\stoptext
The MkIV result is the correct result (in my opinion).
--
Rik
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