Re: Two distinct pitches of same letter need explicit accidentals

[Phil Holmes]

"Jon Arnold" <address@hidden> wrote in message 
news:address@hidden
> > I'm not top posting.
>
> Hi-
>
> Pretty sure this is a bug or could be handled better. Hopefully it hasn't 
> been
> reported already
>
> Snippet:
>
> %b-flat disappears
> {\key f \major
> << {c'' b'} \\ {a' bes'} >>
> }
>
> This produces (ignoring stem direction): <c a> b (as in b natural)
> Image: http://imgur.com/1FwQyzm
>
> In fact, <c a> <b bes> has a similar effect. The b-flat is effectively 
> missing.
>
> Hope this is helpful. Please CC me in replies.

This looks very much like 
https://sourceforge.net/p/testlilyissues/issues/1134/

--
Phil Holmes