I'm using ver 1i.
I guess I was not clear enough. IMO, Audit note stems should not flip a RestChord. I have found a solution. A grace RestChord tied to a note or RestChord will produce the desired display and play properly (except for very short notes)
Example:
!NoteWorthyComposerClip(2.0,Single)
|RestChord|Dur:8th,Grace|Opts:Stem=Up|Dur2:4th|Pos2:-3^|Visibility:Never
|RestChord|Dur:4th|Opts:Stem=Up,ArticulationsOnStem|Dur2:4th|Pos2:-3
|RestChord|Dur:8th,Grace|Opts:Stem=Down|Dur2:4th|Pos2:3^|Visibility:Never
|RestChord|Dur:4th|Opts:Stem=Down,ArticulationsOnStem|Dur2:4th|Pos2:3
|RestChord|Dur:8th,Grace|Opts:Stem=Down|Dur2:4th|Pos2:-3^|Visibility:Never
|Note|Dur:4th|Pos:-3|Opts:Stem=Down
|RestChord|Dur:8th,Grace|Opts:Stem=Up|Dur2:4th|Pos2:3^|Visibility:Never
|Note|Dur:4th|Pos:3|Opts:Stem=Up
!NoteWorthyComposerClip-End
N. B. the grace rest must be shorter than the attached note(s). This will affect notes thru the duration of the note in the grace RestChord. A bar line will reset to the usual behavior.
This is a complete enough solution for my needs. Thanks to all who have responded.