Re: 2, 11 regression: Adding a spanner-engraver twice adds dual spanners

[Graham Percival]

Actually, I'd consider this a new feature, not a regression -- if you 
add an engraver multiple times, I'd expect lilypond to draw the feature 
multiple times.  Doesn't Voice contain an Ottava_spanner_engraver by 
default?

Han-Wen?

Cheers,
- Graham


Rune Zedeler wrote:
> \version "2.10.25"
> \paper{ ragged-right=##t }
>
> \new Voice \with { \consists Ottava_spanner_engraver \consists 
> Ottava_spanner_engraver }
> {
>   b b b #(set-octavation 1) b b b b b b b #(set-octavation 0) b b b
> }
>
>
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