\header { texidoc = "
Ambituses indicate pitch ranges for voices.
-Accidentals only show up if they're not part of key signature. @{AmbitusNoteHead@} grobs also have ledger lines.
+Accidentals only show up if they're not part of key signature.
+@{AmbitusNoteHead@} grobs also have ledger lines.
" }
\layout {