> In order to figure out what this means, here's what I tried: [...]
You missed one important step, namely to look up the Learning Manual (LM): https://lilypond.org/doc/v2.24/Documentation/learning/index.html The index there already contains entries for `<< ... >>` and friends. > The notation reference is huge but that's OK because it's generally > good at letting me learn syntax on an as-needed basis. Uh, oh, this is not the intended use of the Notation Reference (NR)! You should *really* start with the LM. > But in the case of << >> I'm not sure how I could have looked this > up, short of reading the entire manual cover-to-cover. The > reference manual uses << >> in examples 73 times before finally > describing (on page 213) what it means. Well, yes, it is expected to know the syntax if you look up stuff in the NR... Anyway it is a known problem that some stuff in the LM is missing in the NR. > I guess this is a long-winded way of saying that I think << >> > should be in the index. Done. https://gitlab.com/lilypond/lilypond/-/merge_requests/2359 Werner
