Actually, the number of lines isn't set in gregorian-init.ly. Rather,
it's a property of the VaticanaStaff context. To see the default
settings for this context, go to the on-line manual
for your version of LilyPond. Click on Program Reference -> Translation
-> Contexts -> VaticanaStaff
As you can see, it sets the line-count property of the StaffSymbol
object to 4, so in order to get five lines, you can do
\override VaticanaStaff.StaffSymbol #'line-count = #4
/Mats
Quoting Micha? Dwu?nik <address@hidden>:
> Hi,
> I need to transfer paper version of some piece into lilypond.
> The problem is that original notation is in principle gregorian,
> yet on 5 lines, and two voices.
>
> Could someone give me a hint on how to revert
> \include "gregorian-init.ly"
> to have 5 lines back ?
> And if it's possible how to put two gregorian voices on one set of lines
> (does normal poliphony stuff work on gregorian notes ?).
>
> Cheers
> Michal
>
>
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