. * use Rhythmic_head::position_i () for all Staff_referenced
. * .po -> .pot.
. * setting indent to 0 with \shape fails
+. * ly2dvi : don't repeat opus if same.
+. * breaks before mmrests are favored.
. * hara kiri _8 clef.
. * junk -M ?
. * mudela-book doco