Re: Interaction of slurs and bar checks

On 25/01/2023 15:10, Michael Käppler wrote:
> Hi all,
> I'm posting to bug-lilypond instead of opening an issue in the tracker,
> because
> I'm not sure if the behaviour is somehow intended or a bug.
> Consider the following example:
> 
> \version "2.24.0"
> {
>   \time 2/4
>   d''8 r e''4 |
>   ( cis''16 ) cis'' d'' d''
> }
> 
> It gives a warning "Unattached SlurEvent" and does not print a slur.
> 
> Removing the bar check gives the correct rendition.
> 
> What also works is:
> 
> \version "2.24.0"
> {
>   \time 2/4
>   d''8 r e''4 ( |
>   cis''16 ) cis'' d'' d''
> }
> 
> i.e. moving the opening parenthesis before the bar check.
> 
> This behaviour is not new, 2.20.0 behaves exactly the same.
> At least NR 1.2.5 does not mention such a kind of interaction.
> Am I missing something?



Why do you expect the first one to work... ?

A slur is a post-event. It attaches to a note. A bar check is not a post-event.
The first example is trying to attach a slur to a bar check. The failure seems
quite logical to me.

Best,
Jean