Thanks both. I've found the same now. I'd assumed that 2.21.0 would be later than 2.20, but it seems not to be the case.
Now sorted. Best regards, Peter mailto:lilyp...@ptoye.com www.ptoye.com ------------------------- Tuesday, June 16, 2020, 2:41:45 PM, Robin Bannister wrote: > Peter Toye wrote: >> An acciaccatura is giving 14 "programming error: mis-predicted force" errors >> and corrupt layout. The former I can live with the latter I can't. > . > . >> I've tried to produce an MWE, and one is appended, but it doesn't show the >> layout errors which for me are a complete show-stopper. It's a slightly out >> of date version of LilyPond > I see "mis-predicted force" with 2.19.80 and 2.19.83 > but not with 2.19.84 or 2.20.0 > Cheers, > Robin