>> What index entries (and where) do you want me to add?
>
> We may not have a precedent for this, since place-fret is not a
> function, but, since the examples demonstrate it takes a wide
> variety of quasi-arguments (including even a ",#{ \markup"), it
> seemed complex enough to be mentioned, perhaps in the general
> Lilypond index? I've seen repeated advice, e.g. from Jean in the
> day, to always check the index first. But in this case, googling
> "lilypond place-fret" was better. Putting all keywords into the
> index would likely point to too many places, but perhaps
> 'place-fret' would only have to lead to the markup definition for
> fret-diagram-verbose. Is that feasible?
OK, will do.
Werner