Merge branch 'dev/texi2html' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond into...

Merge branch 'dev/texi2html' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond into dev/texi2html

* 'dev/texi2html' of ssh://jomand@git.sv.gnu.org/srv/git/lilypond: (61 commits)
  Some corrections in NR 1.8 Text
  GDP: NR 2 Reorganisation: Wind headings
  Update input/new guidelines
  Typo
  Add example of stand-alone markup.
  Move input/new doctitles and update LSR
  Compile fix.
  Minor tweaks.
  Update from Valentin.
  Update from Ralph.
  Oops, real compile fix.
  Compile fix.
  Corrections to input/new snippets from Neil
  GDP: NR 2 Reorganisation: Percussion headings
  Fix makelsr.py and update input/lsr
  Tune lilypond-book performance
  Fix broken xref
  Update texinfo.tex from texinfo CVS
  Rework info-images-dir.dep stuff
  Remove --tidy
  ...

Conflicts:

	make/doclang-vars.make
	stepmake/stepmake/texinfo-rules.make