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

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

* 'master' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond:
  Compile fix.
  Remove separate midi chapter.
  Move midi info into input.itely.
  GDP: Section names in NR3
  Add todo from issue tracker.
  Clean the snippets when running "make test-clean"
  Fix 213.
  LSR: update.
  Tidy up some comments.
  Add predefs for chords.
  Minor snippet edits.
  Corrections to grob property descriptions.
  Fix repeatCommands volta markup.
  Fix 65.
  Spelling fixes.
  Update from Ralph.
  Implementation of international standard paper sizes.
  New snippet from Patrick
  Update markup command snippets.