Mark’s initial example does trigger the bug with 2.19.83 (Ubuntu 16, 64-bit),
while my smaller example does not…
A couple similar issues were found to be caused by rounding issues. Maybe this
one too?
---
** [issues:#1703] Upward slur placed too high (in very specific situations)**
**Status:** Accepted
**Created:** Sun Jun 19, 2011 11:49 PM UTC by Anonymous
**Last Updated:** Mon Dec 14, 2015 08:15 PM UTC
**Owner:** nobody
**Attachments:**
-
[test.png](https://sourceforge.net/p/testlilyissues/issues/1703/attachment/test.png)
(3.7 kB; image/png)
*Originally created by:* *anonymous
*Originally created by:*
[[email protected]](http://code.google.com/u/[email protected]/)
Reported by Mark Polesky,
[http://lists.gnu.org/archive/html/bug-lilypond/2011-06/msg00124.html](http://lists.gnu.org/archive/html/bug-lilypond/2011-06/msg00124.html)
\(2.15.2 does the same\)
%------------------8<------------------------
I honestly tried to make this example file as tiny as possible,
but the combination of elements needed to trigger the bug seems
curiously specific. For example, if I remove any one of these
elements, the problem disappears:
~~~~
:::TeX
#(set-default-paper-size "letter")
#(set-global-staff-size 17)
left-margin = 0.75\in --and-- right-margin = 0.75\in
\key bf \major
\break
~~~~
Stranger still, if I change staff-size to 15, 16, 18, 19, or 20,
the problem goes away, and if I change both margins to 0.5\in or
1\in, the problem also goes away.
So, what's going on? This is bizarre...
Thanks.
\- Mark
~~~~
:::TeX
\version "2.14.0"
#(set-default-paper-size "letter")
#(set-global-staff-size 17)
\paper {
left-margin = 0.75\in
right-margin = 0.75\in
}
\relative bes' {
\key bes \major
<<
{ bes='4 f8 f16( f-.) bes4 f8 f16( f-.) | }
\\
{ d='8 d4 d16 r d8 d4 d16 r | }
\\
{ d='8 d16 f s4 d8 d16 f s4 | }
>>
\break
bes4 r2. |
}
~~~~
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