Hi,
the code below
\layout { \context { \Voice \consists "Balloon_engraver" } }
{ c'-\balloonText #'(2 . 0) \markup { "1" } }
returns (in 2.21.0):
ERROR: In procedure symbol->string:
ERROR: Wrong type argument in position 1 (expecting symbol): ()
2.18.2 gives a more useful message:
/home/hermann/lilypond/usr/share/lilypond/current/scm/lily-library.scm:242:8:
In procedure symbol->string in expression (process-procedure book
paper ...):
/home/hermann/lilypond/usr/share/lilypond/current/scm/lily-library.scm:242:8:
Wrong type argument in position 1 (expecting symbol): ()
Though, I've no clue where symbol->string comes into the game...
Ofcourse the NR recommends to use balloonText _inside_ of chords, and
indeed the problem goes away, wrapping the note in an event-chord.
But shouldn't it work as a postevent to a single note, too??
Btw, it's present in all tested versions down to 2.12.3
Cheers,
Harm
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