>> I tried that, but as soon as a group of grace notes has some >> accidentals it produces bad output. > > Doesn't that sound more like the issue should be > "strict-grace-spacing produces bad output if grace note has > accidental" rather than "strict-grace-spacing should be the > default"?
The issue I filed is not related to `strict-grace-spacing` at all. That `s-g-s` produces bad results in the presence of accidentals is another issue – AFAICS, the problematic appearance is already described in https://gitlab.com/lilypond/lilypond/-/issues/2630 (first reported in 2008). Werner