shapeII debugging

[Simon Albrecht]

On 23.12.2016 12:08, Urs Liska wrote:
> Am 23.12.2016 um 11:49 schrieb Simon Albrecht:
> > Maybe try \shapeII from openlilylib as well, it’s much more comfortable
> > to use, though in my experience sadly it messes with system/staff
> > placement in a way that makes it unusable.
> Could you please elaborate a little bit on that, possible with examples?
> It would be great to fix everything with \shapeII and finally bring that
> functionality to LilyPond itself.

My ‘minimal’ example file is the attached one. Last time I tried to get 
to the source of the problem I found this tracker issue [1] and came to 
the conclusion that a fix would require integration of shapeII deep in 
the C++ LilyPond code to circumvent the really fundamental problems 
hinted there.
Presumably the difference between your user experiences and mine has to 
do with the bug only (?) occuring with the (head x x) option.
And certainly I agree that it would be marvelous to see the 
functionality in LilyPond proper, with this bug fixed.

Best, Simon

[1] <https://github.com/openlilylib/snippets/issues/24>

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