Re: [PATCH] Re: feature-request / doc-actualization (right-margin)

[Michael Käppler]

Hi Neil,
> These are unsafe, since they return SCM_UNSPECIFIED instead of a Real
> if the paper variables aren't defined; using robust_scm2double () here
> will ensure a default is returned.
>
> You can see the consequences of variable lookup failure by running
> bookparts.ly 
> (http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=blob;f=input/regression/bookparts.ly;h=a814fb5e072911540ecf2ab44a7b7b09dae61835;hb=HEAD).
>  This snippet also fails to get a sane value for paper-height in
> layout->page-init.
>   
hmm... somehow I'm completely stuck at this moment. Why does the 
affected output-def contain no paper-width / paper-height etc.? I don't 
really know how this can be triggered by my patch since it clones the 
output-def and modifies only the margin and line-width parts.
Any idea?

Regards,
Michael