Fix 442. (issue1888042)

[n . puttock]

Hi Joe,

LGTM.

I'd be quite happy with this method, even though it loses a bit of
flexibility in comparison with your original patch.

Cheers,
Neil


http://codereview.appspot.com/1888042/diff/1/5
File lily/keep-alive-together-engraver.cc (right):

http://codereview.appspot.com/1888042/diff/1/5#newcode69
lily/keep-alive-together-engraver.cc:69: "All the
Hara_kiri_group_spanners that lie below "
Could this docstring be a bit more user-friendly?

http://codereview.appspot.com/1888042/diff/1/7
File scm/define-grob-properties.scm (right):

http://codereview.appspot.com/1888042/diff/1/7#newcode956
scm/define-grob-properties.scm:956: (keep-alive-with ,ly:grob-array? "An
array of other VerticalAxisGroups.
@code{VerticalAxisGroup}s

http://codereview.appspot.com/1888042/show