Re: How contexts fit together - doc suggestion

[Erik Sandberg]

Citerar Mats Bengtsson <address@hidden>:

> Why not make a graphical illustration (or at least pseudo graphical
> using indents and line breaks) of the hierarchy.
> As input, you might find it easier to look at the file
> ..../ly/engraver-init.ly of your LilyPond installation, instead
> of browsing through the program reference. 

It can also be worth noticing that though context "instances" (i.e. Staff=A,
Voice=C etc) form a tree hierarchy, context "types" (i.e. Staff, Voice, Score
etc as defined in engraver-init.ly) form a directed acyclic graph (aka "partial
order").

Erik

> On Sun, 5 Jun 2005, Graham Percival wrote:
> 
> > 
> > On 5-Jun-05, at 4:21 AM, andrew Black wrote:
> > 
> > > Something that I am beginning to understand better is how the various 
> > > contexts fit together.- for example "Staff can contain Voice",
> > > I can only find this sort of information at a fairly deep level in the 
> > > manual - lilypond-internals/Staff.htm
> > >
> > > I would like to have a go at trying to write my understanding down and 
> > > post here for comment - with a view to including in the docs if it is 
> > > considered useful - I note Graham's request for help.
> > >
> > > Just checking this sort of thing doesn't exist in the manual at the 
> > > moment.
> > 
> > It only exists in the internals (which you noted).  The only possible 
> > downside of
> > a doc page about this is that if the context relationships change at 
> > some point
> > in the future, the doc would become out of date (whereas the internals 
> > would
> > change to reflect it, since they're automatically generated).
> > 
> > That said, I don't think that the context relationships will change 
> > much.  If they
> > do, the doc page can be updated easily.  So please write such a page!  
> > I imagine
> > that it would become section 9.1.7  (at the end of the Intreptation 
> > contexts section).
> > 
> > Cheers,
> > - Graham
> > 
> > 
> > 
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> > http://lists.gnu.org/mailman/listinfo/lilypond-user
> > 
> 
> 
> 
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