With the "Apply phrasing" function we can define the pressure time inside and outside slurs.
What I want is something like that, but working in reverse, i.e. giving a min/max value for pressure time, all notes with pressure time values inside that range will be slured.
Oh, OK. I think this kind of script can be made quite easily, but a limit must be put on the phrase length (bar ?) in order not to put too long phrasing slur.