5 texidoc = " print lesson sheets that contain blank lines and just portions of blank lines."
9 blanknotes = { \property Voice.NoteHead
10 \override #'transparent = ##t
12 \override #'transparent = ##t }
13 unblanknotes = { \property Voice.NoteHead
16 \revert #'transparent }
21 \blanknotes e4 f4 \unblanknotes