On 5/3/20, Paul Scott <waterho...@ultrasw.com> wrote: > Out of simple curiosity what is the purpose of the \compressMMRests { } > structure rather than the \set or \override action I would think of? > I'm guessing \compressMMRests does \set \unset or \override \revert pairs.
As you can see if you open the music-functions-init.ly file in your LilyPond installation, it’s a fairly simple music function that relies on the skipBars property: https://git.savannah.gnu.org/cgit/lilypond.git/tree/ly/music-functions-init.ly#n313 As does compressEmptyMeasures, formerly compressFullBarRests -- but these are just a mere override: https://git.savannah.gnu.org/cgit/lilypond.git/tree/ly/property-init.ly#n168 Now, your question is exactly why I felt the need to add a whole new subsection to the Notation Reference: http://lilypond.org/doc/v2.21/Documentation/notation/writing-parts#compressing-empty-measures I hope this can answer your question (as well as the rationale behind the renaming of FullbarRests into EmptyMeasures); please do tell us if that seems unclear to you or if you have some suggestions to improve that part of the documentation. Cheers, -- V.