I can't give any good answer about the warnings (except for a sed script
to sort them out), but fermatas and staccatos are typeset by the
graphical object (grob) Script, so
\property TabVoice.Script \override #'transparent = ##t
should work.
You can easily find this out yourself, for example by sea
I'm notating some guitar music and would love to get rid of the warnings I
get from string numbers on the staff and glissando's on the tabulature. I'm
used to lint so I don't like to see any warnings.
I've included a couple of the warnings.
Also, I'd like to keep the tab staff clean, so I turned
