Suppressing an accidental inside a chord

[Richard Shann]

On a different topic you helpfully suggested:
On Tue, 2013-03-26 at 12:58 +0100, Urs Liska wrote:
> You can use
> 
> 
> suppressAccidental = {
> 
> \once \override Accidental #'stencil = ##f
> 
> }
I notice this can't be used on notes inside chords - I've been looking
at

http://lilypond.org/doc/v2.16/Documentation/notation/visibility-of-objects

but I don't see any clues there - is a different sort of syntax needed
to suppress the accidental in this case or can suppressAccidental be
changed to work on this

<  ces'' \suppressAccidental  dis'''>

as well? (I am using the current stable LilyPond)

Richard