bugDenemo - Bugs: bug #33594, exportlilypond is producing broken...


bug #33594: exportlilypond is producing broken lilypond when print excerpt is chosen with multiple voices

Submitter:  Jeremiah Benham <jjbenham>
Submitted:  Sat 18 Jun 2011 08:22:50 PM UTC
Category:  None Severity:  3 - Normal
Item Group:  None Status:  None
Privacy:  Public Assigned to:  None
Originator Name:  Open/Closed:  Open
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Sun 19 Jun 2011 07:31:54 AM UTC, comment #1: 

yes, that is exactly it: it won't work with only one voice selected, roughly speaking (I would guess) because the << belongs to the first voice and the >> to the second, which is being ignored because it is not selected.
I think this sort of problem should appear if you select one staff from a piano group and so on.
There is a hook into guile before and after the typesetting where issues like this could be resolved: at the moment it just does (display "starting typesetting") or some such (denemo.scm).
There is also a plan to detach Denemo's overlapping display for voices from the designation of a staff as a voice (so you would not have to do "Join Voices" before printing).
But at the moment all the design notes seem to be lost in the transfer to the new website:(

Richard Shann <rshann>
Group administrator
Sat 18 Jun 2011 08:22:50 PM UTC, original submission:  

I read through the deneoprint.ly that was produced when when one measure was selected.  When I read through this lilypond code it only contained one voice instead of two. The other issue was that it was missing an opening "<<" but contain a closing ">>" like this:

\new Voice = "%s" {


As you see it should be:

\new Voice = "%s" <<{


I wonder if this has something to do with selections. I don't think both voices are being selected.

Jeremiah Benham <jjbenham>
Group administrator


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