Re: minimum after-BarLine space in 2.11

[Mats Bengtsson]

Sorry, I was just confused when I wrote my previous answer.
Also, I hadn't actually tried any example in LilyPond. If you do,
you will soon realize that:

- None of the commands given below do anything useful, since you have to
 replace BarLine by Score.BarLine.

- The construct
\override Score.BarLine #'space-alist #'next-note #'semi-fixed-space = 1.2
 does not work and results in an error message. The reason, I think, is 
that
 this setting just adds a new entry to the alist and LilyPond gets 
confused when
 it finds two different settings for next-note in the space-alist.

  /Mats

Carl Sorensen wrote:
> Mats Bengtsson <mats.bengtsson <at> ee.kth.se> writes:
>
>   
> > Wilbert Berendsen wrote:
> >     
> > > Op woensdag 7 november 2007, schreef Kieren MacMillan:
> > >   
> > >       
> > > > \override BarLine #'space-alist #'next-note = #'(semi-fixed-space . 1.2)
> > > >         
> > > \override BarLine #'space-alist #'next-note #'semi-fixed-space = 1.2
> > >   
> > >       
> > It's not equivalent to Kieren's answer, but it's much better, since it 
> > keeps all the
> > other settings of the space-alist for BarLine objects.
> >     
>
>
> According to my (somewhat limited) understanding, I believe that both constructs
> keep the rest of the space-alist settings.  The first construct would set the
> next note property to '(semi-fixed-space . 1.2) and eliminate any other elements
> in the next-note property, if they exist.  The second construct would update
> only the semi-fixed-space element of the next-note property, retaining any other
> values that might exist.
>
> Is my understanding incorrect?
>
> My mental model is that 
>
> \override ItemHavingProperties #'foo #'bar #'baz #'frob = value
>
> will set the frob property in the baz subchain of the bar subchain of the foo
> alist-chain.
>
> It would also be possible to  set
>
> \override ItemHavingProperties #'foo #'bar #'baz = #'(frob . value)
>
> but this will set the baz subchain value to (frob . value) and eliminate any
> other items in the baz subchain.
>
> If I'm wrong, please help me understand things.
>
> Thanks,
>
> Carl
>
>
>
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>   

--
=============================================
        Mats Bengtsson
        Signal Processing
        Signals, Sensors and Systems
        Royal Institute of Technology
        SE-100 44  STOCKHOLM
        Sweden
        Phone: (+46) 8 790 8463                         
       Fax:   (+46) 8 790 7260
        Email: address@hidden
        WWW: http://www.s3.kth.se/~mabe
=============================================