Re: Issue 1789 in lilypond: \tweak is 'broken' when trying to tie chorded notes (other than the first note in the chord)

[lilypond]

Comment #1 on issue 1789 by address@hidden: \tweak is 'broken' when  
trying to tie chorded notes (other than the first note in the chord)
http://code.google.com/p/lilypond/issues/detail?id=1789

This is really a bug with control-points, because changing the color of the  
two ties separately with a tweak works fine:
{ < c'-\tweak #'color #red ~   g'-\tweak #'color #blue ~ >   q }