Marcos da Silva Sampaio <mar...@sampaio.me> writes:
> Hello,
>
> I'm using a tremolo in a full bar. I used the code below, but it fails
> and I got this error message:
>
> Drawing systems...lilypond: ../flower/include/drul-array.hh:35: T&
> Drul_array<T>::at(Direction) [with T = double]: Assertion `d == 1 || d
> == -1' failed.
>
>
> { \repeat tremolo 16 { ees32 a } }
>
> There is no problem without the accidental:
>
> { \repeat tremolo 16 { e32 a } }
>
>
> Lilypond fails in the same way when I use cautionary accidentals also:
>
> { \repeat tremolo 16 { e32 a! } }
>
>
> Am I doing anything wrong?
The only wrong thing I can detect is not reporting this to the
lilypond-bug list, but it would seem like you can easily fix that.
An "assertion failed" should not be triggerable with unadorned user code
not touching the Scheme layer.
--
David Kastrup
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