4 texidoc = "Completion heads are broken across bar lines. This was
5 intended as a debugging tool, but it can be used to ease music entry.
6 Completion heads are not fooled by polyphony with a different rhythm.
11 \context Staff \relative c'' <<
13 { c2. a8 g4 f4. g4 f }
19 \remove "Note_heads_engraver"
20 \consists "Completion_heads_engraver"