Re: Difference between # and $

[Urs Liska]

Am 31.03.2014 15:44, schrieb David Kastrup:
> "Phil Holmes" <address@hidden> writes:
>
> > I've read
> > http://lilypond.org/doc/v2.19/Documentation/extending/lilypond-scheme-syntax
> > (as no doubt, Urs has) and tried to use $ in place of #.  Can't get it
> > to compile.  So, taking the following note doubler, how would $ be
> > used instead of #?
> >
> > dubble = #(define-music-function( parser location arg )
> >   (ly:music?)
> >   #{ $arg $arg #}
> > )
> >
> > { c'' \dubble c' }
>
> Huh?  Which # would you even want to replace here?  #{ ... #} is inside
> of Scheme.  $arg already uses a $.
>
> This code works fine as written.

For some reason the use of $arg doesn't compile for Phil. So he already 
_has_ replaced #arg with $arg.
But I have to admit that the given example compiles fine on my side.
Did you compile with an older version, Phil?

And I _will_ re-read the chapter(s) and figure out where exactly I lose 
track.

Urs