Re: Old LilyPond versions

[Mats Bengtsson]

Quoting Graham Percival <address@hidden>:

> On Tue, 08 Apr 2008 20:42:15 +0200
> Mats Bengtsson <address@hidden> wrote:
>
> > Quoting Graham Percival <address@hidden>:
> >
> > > On Tue, 08 Apr 2008 13:14:42 -0400
> > > Laura Conrad <address@hidden> wrote:
> > >
> > >> The grumpy doc writer has said many times that he knows nothing
> > >> about vocal music.  None of the suggestions in 5.1 is going to
> > >> change the fact that manual conversion is necessary for all vocal
> > >> music transcribed before 2.4.
> > >
> > > You're talking about the old LaTeX accents -> utf-8 ?
> >
> > No, probably rather about \lyricsto and \addlyrics.
>
> Hmm.  According to our docs, that was 2.0->2.2... and I can't see
> what the problem was.
Actually, the old \addlyrics syntax was supported to keep backward
compatibility for quite a long time (convert-ly converted the construct 
to \oldaddlyrics).

> 1)  it might be nice to give some more info about this, so that
> people *can* make these updates manually.
>
> 2)  it would of course be nice to automate this.  At the moment, I
> can't see why this would take more than five hours.  Maybe 15
> hours if the person had never touched python before.

See http://lists.gnu.org/archive/html/bug-lilypond/2007-12/msg00156.html
I don't think the problem is that easy, especially since the music 
expression may in the general case contain an arbitrarily deep nesting
of {} and <<>>, which means that you cannot use regular expressions.

  /Mats