Merge branch 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond into lilypond...

* 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond:
  Update from Ralph.
  Update from Valentin.
  Rename section.
  Clean up error messages in case of unattached tuplet bracket.
  Fix #587.
  Update from Trevor.
  Add stub for line style info.
  Update from Valentin.