> 2. Is there a full list of overrides w arguments for the fretboard > diagram ex. (dot- radius, string-thickness-factor, etc.)?
In the development version of the Notation Reference (https://lilypond.org/doc/v2.25/Documentation/notation/common-notation-for-fretted-strings#fret-diagram-markups) a link to the relevant snippet was added: https://lilypond.org/doc/v2.25/Documentation/snippets/fretted-string-instruments-_002d-fret-diagrams-explained-and-developed It also links to the Internals Reference https://lilypond.org/doc/v2.25/Documentation/internals/fret_002ddiagram_002dinterface which shows a table of all properties and sub-properties. Werner
