Re: A slur across a line break with change of clef in another staff generates bad output

[Richard Shann]

On Sat, 2015-05-30 at 09:46 -0700, Mark Stephen Mrotek wrote:
> Richard,
> 
> Tried putting the "\clef treble" before the a8.

yes, it is fairly sensitive to minor changes... 
I think I have found the answer to my other question - the manual says
that \shape can take a list of two sets of displacements.

 \shape #'((0.0 . 0.0) (1 . 1.2) (3 . 1.2) (4 . 1) ()) Slur

Richard

>  Looks good to me, yet I do not know what other constraints you have.
> 
> Mark
> 
> -----Original Message-----
> From: address@hidden [mailto:address@hidden On Behalf Of Richard Shann
> Sent: Saturday, May 30, 2015 9:11 AM
> To: address@hidden
> Subject: A slur across a line break with change of clef in another staff 
> generates bad output
> 
> Attached is a bit of LilyPond which has a slur over a line break. At the same 
> moment the clef is changing in the lower staff. The result is a horribly 
> broken slur start in the top staff.
> I blindly applied the dragging-the-shape on this curve which generated the 
> commented out offsets. This results in something half-way acceptable. The bug 
> is sensitive to all sorts of things I think - this was the most I managed to 
> pare it down - reducing the font size made it go away for example.
> 
> Questions:
>       Is there special syntax for altering the shapes of the half-slurs at 
> the end and beginning of the line?
>       Is this a known bug?
> 
> Richard
> 
>