Hello all,

Odd issue with LMTX (works fine with --luatex). \doifelsemode causes a failure if it is used to set a simple value such as on, off, yes, no, ..., but works with a dimension. Perhaps better illustrated by an example:

   \definemode        [aaa]
                       [keep]
   \setuplayout       [
                        marking=\doifmodeelse{aaa}{off}{on},
   %                   marking=on,
                        grid=\doifmodeelse{aaa}{yes}{no},
   %                   grid=yes,
                        bottom=\doifmodeelse{aaa}{10mm}{20mm},
                       ]
   \starttext
       This is only a test.
   \stoptext

The problem occurs whether or not the mode is enabled. In the example, it fails with the mode test in the either the marking= or grid= keys, but has no problem with it in the bottom= key.

The error message says:

   The control sequence marked <to be read again> should not appear
   between \csname and \endcsname.

pointing to the enabled \doifmodeelse line.

The same issue occurs with the following, using \doifmode:

   \definemode        [aaa]
                       [keep]
   \setuplayout       [
                        marking=on,
                        marking=\doifmode{aaa}{off},
                       ]
   \starttext
       This is only a test.
   \stoptext

This did work without complaint a few months ago.

--
Rik Kabel

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