[JW Lua] "Divider" elements in the user dialog

[Jan Angermüller]

Jari,

here is a suggestion for a simple improvement
of dialogs with many options:
add a new dialog type called "Subgroup" or "Divider"
that is a read-only and non-selectable element which
makes reading a long option list easier (see screenshot).

This is still not a very comfortable dialog either if you have
more than four options, but it is a very quick solution
for making the current dialog a bit more clear with
subgroups of options.

In the screenshot the new "Divider" element is selected -
that should not be possible, of course.
 From the programmer's view it could be a string grid row,
that is read-only and - if selected - automatically jumps
to the next non-"Divider" cell below.

Best regards,
Jan Angermueller
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