Le dimanche 21 mai 2023 à 12:09 +0100, Graham King a écrit :
> In the following code, I would expect the tie between the final two notes to
> be dotted. The actual output is a solid tie. Not sure whether this is a bug
> or just my doing something wrong...
>
> ```
> \version "2.25.0"
>
> { c''2
> \once \tieDotted
> \set melismaBusyProperties = #'()
> 1 ~ 2
> }
>
> \layout {
> \context {
> \Voice
> \remove "Note_heads_engraver"
> \consists "Completion_heads_engraver"
> }
> }
> ```
>
> I can work around this pretty easily, but I'd rather preserve the note
> durations of the original mensural notation if possible.
That the second tie is not dotted is perfectly normal since `\once` makes a
command apply only at the current moment, and that tie starts later.
What is more surprising is that the *first* tie is not dotted; this is harder
to explain simply, it's caused by shenanigans in the internals of
`Completion_heads_engrver` (it creates ties “retroactively”, later than when
they start).
Try
```
\version "2.24.1"
{ c''2
\once \override Tie.color = red
\set melismaBusyProperties = #'()
1 \single \tieDotted ~ 2
}
\layout {
\context {
\Voice
\remove "Note_heads_engraver"
\consists "Completion_heads_engraver"
}
}
```
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