> What if a user explicitely wants 0pt? A zero dimension box is often used to
> correct the adjustment in LaTeX.
But that was what the user reported as bug. Nevertheless I'll try to take an empty argument instead
of zero.
>> - I changed the UI to make the optional parameter really optional
>> using a check box. (see comment 5)
I don't think a checkbox is really needed. What we should do is to allow for
an empty input, which means that the optional argument is not used.
But users won't know this, and it costs you more time to empty an edit field than to uncheck the
checkbox. A checkbox is more intuitive I think.
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There's still an open issue I'm not able to solve, see
http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg128119.html
thanks and regards
Uwe
