accidentalSugggestion

[E Appeldoorn]

I would like to keep the accidental created above the e! within the bounds of the larger slur (from f2 ending on e1)

This is what I came up with. The accidental is created but is kept above the slur. The internal documentation suggested to me this would work (it reads:  inside adjusts the slur if needed to keep the grob inside the slur.)

What have I missed?

  f2.(

  \set suggestAccidentals = ##t

  \override Staff.AccidentalSuggestion.avoid-slur = #'inside

  \override Staff.AccidentalSuggestion.font-size = #-2

  e!4~  |  e1)

Thanks in advance for your help,

Ursus