>> - y = me->get_bound (dir)->extent (common_y, Y_AXIS).center ();
>> + Interval ii = me->get_bound (dir)->extent (common_y, Y_AXIS);
>> + if (!ii.is_empty())
>> + y = ii.center ();
>
> This works, thanks, and I get output which looks like being
> predictable (see attached image), assuming that a non-existing
> notehead makes the glissando point to position zero.
Should this patch be applied?
Werner
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