Hey,
So I wanted to create an inset with multiple optional arguments; lyx's
Customization documenation mentions a Requires [int=0] option which "defines
another argument (by its number) which this argument requires to be output if
it is itself output."
So I tried to do this:
InsetLayout Flex:MyInset
LatexType environment
LatexName LatexEnv
Argument 1
Mandatory 0
EndArgument
Argument 2
Mandatory 0
Requires 1
EndArgument
Argument 3
Mandatory 0
Requires 2
EndArgument
End
The idea is that all 3 arguments to the inset are optional, but if you only
provided Argument 3 (say with the value "value"), I'd expect the latex to be:
\begin{LatexEnv}[][][value]
However it only outputs one '[]' which is wrong (as then 'value' is the 2nd
argument, not the 3rd ).
So I went into the source code of LyX wanting to fix this issue, and found
that the "Requires" doesn't actually take an integer, but a comma-seperated
list of integers!
So the solution was to put Requires "1, 2" (with the quotation marks) in my
Layout instead of just Requires 2.
I think this behaviour should be documented. I would modify the documentation
myself, and submit a patch, but you appear to be using some kind of change
tracking thing, and I'm completely unformaliary with it.
— Isaac Oscar Gariano
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