1. 2019-06-11 Re: correction of documentation on 2.4.1 fret diagram lilypond- David Kastrup 2. 2019-06-11 Re: correction of documentation on 2.4.1 fret diagram lilypond- Federico Bruni 3. 2019-06-10 correction of documentation on 2.4.1 fret diagram mar lilypond- wmilmoe