On 10/01/2016 01:02 PM, Malte Meyn wrote:

Am 01.10.2016 um 18:39 schrieb Paul:
Thanks for the bug report.  I posted a comment on the issue here:
https://sourceforge.net/p/testlilyissues/issues/4979/#b111

This comment says:

When two ledger lines are at the same vertical position, in the same note column, (as I assume is probably the case with a pitched trill note?) we apparently can't just assume that they overlap horizontally (as is most often the case with chords). We will have to check whether they overlap horizontally or not before merging them.

There are other cases where notes in the same note column are horizontally far away from each other, see f. e. http://lsr.di.unimi.it/LSR/Item?id=505 so this is not a pitchedTrill-only problem ;)

Indeed, that's a good example for this, and if we check whether ledger lines overlap horizontally or not before merging them, then we'll have solved all these cases. :-) Adding some of these cases to the regression tests will also help.

Cheers,
-Paul

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