Re: Beaming regression 2.15.39 compared to 2.14.2

[Nick Payne]

On 24/05/12 21:19, address@hidden wrote:
> On 24 mai 2012, at 12:04, Urs Liska wrote:
>
> > Am 24.05.2012 11:57, schrieb Toine Schreurs:
> > > On Thu, May 24, 2012 at 05:13:55PM +1000, Nick Payne wrote:
> > > > In 2.14.2, the output for the second bar beams all five eighth notes
> > > > together, as I would expect. In 2.15.39, the first eighth note is not
> > > > beamed with the others:
> > > >
> > > > \relative c'' {
> > > >      \time 3/4
> > > >      c8 c c c c c
> > > >      r c c c c c
> > > > }
> > > It apparently is different from 2.14.2, but I would not call this a
> > > regression.
> > >
> > > In 3/4, I would like to have 6 eights beamed together, but if any
> > > rests are involved, the beaming should be per quarter in order to
> > > preserve the 3-beat character. In:
> > >
> > > \relative c'' {
> > >     \time 3/4
> > >      r4 r8 c c c
> > >   }
> > >
> > > the default beaming in 2.14.2 gives an impression of a 2-beat, which should
> > > be avoided.
> > >
> > > Toine Schreurs
> > >
> > > _______________________________________________
> > > lilypond-user mailing list
> > > address@hidden
> > > https://lists.gnu.org/mailman/listinfo/lilypond-user
> > Just one comment, a question that I had several times when reading such reports.
> > Don't know if this applies here, but:
> > A regression is something that doesn't work in a later version and that has 
> > _deliberately_ worked in a previous version. I.e. something that has once been 
> > fixed to work in that specific way.
> > If it just was correct and isn't anymore, it isn't considered a regression but 
> > just a newly introduced bug.
> > Best
> > Urs
> Still a regression. Any change in behavior that is not fully accounted for in 
> the change log and that you feel leads to worse behavior than a previous 
> version is a regression.  People can then either report it as a change, at 
> which point it is a feature, or they can fix it, at which point the old 
> functionality is restored.

Reverting to the previous behaviour is simply a matter of

\set beamExceptions = #'((end . (((1 . 8) . (6)))))

Nick