Displaying all grob properties and their actual values
Sometimes you may want to know all properties and their values for a certain grob. The here provided function is a possibility. Afaict, following comment is not true (any more?), will delete soon --Harm: Known limitation: it doesn't work for NoteHead. The output (written to stdout) is something like the following.
#<Grob ChordName >:
GROB-INTERFACE
X-extent:
(0.0 . 5.087352755905512)
...
...
CHORD-NAME-INTERFACE
begin-of-line-visible:
()
FONT-INTERFACE
font:
((typewriter . LilyPond Monospace) (sans . LilyPond Sans Serif) ...)
font-encoding:
()
...
...
for the example below.