Re: Fix crash in partcombine with empty music

[Han-Wen Nienhuys]

2007/12/19, Reinhold Kainhofer <address@hidden>:
> Attached is a trivial patch for partcombine to avoid a crash when at least one
> of the two combined music expressions is empty:
>
> I usually start with the general structure of a large score
> and only then fill it with music. This means that partcombine
> is fed two empty music expressions, so that evs1 and evs2 won't contain
> data and (assoc "one" evs1) will be an empty list => cdr on
> it will crash.
> In this case, simply set the split list to an empty list and
> don't crash...
>

Looks good to me. Please add example .ly to input/regression/

-- 
Han-Wen Nienhuys - address@hidden - http://www.xs4all.nl/~hanwen