3 texidoc = "With balloon texts, objects in the output can be marked,
4 with lines and explanatory text added."
8 \layout{ ragged-right = ##t }
15 \once\override Stem #'stencil = #ly:balloon-interface::print
16 \once\override Stem #'original-stencil = #ly:stem::print
17 \once\override Stem #'balloon-text = #"I'm a stem"
18 \once\override Stem #'balloon-text-offset = #'(3 . 4)
19 \once\override Stem #'balloon-text-props
20 = #'((font-family . roman))
23 %% use predefd function.
24 \context Voice \applyOutput #(add-balloon-text
25 'NoteHead "heads, or tails?"