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

* 'lilypond/translation' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond:
  Reordering of single-staff polyphony.
  Tiny updates
  Mark reorder plan for Simultaneous
  Typo
  Fix octave in example
  Better explaination of implicit and explicit voices.
  Reword and added example from Carl.