Re: Crescendo hairpin colliding with repeat bar line

>> AFAICS this is a bug: The right side of the hairpin gets apparently
>> aligned to the right side of the '|.:' compound barline, not taking
>> into account the actual horizontal width of the compound bar line.
> 
> I'd agree that it would be nice if LilyPond would do this without us
> having to ask for it.
> 
> No idea whether this is reasonably documented [...] but there's a
> proper setting for this behaviour, namely
> Hairpin.endpoint-alignments.

Thanks for checking this.

> [...] But what one could do is this:
> 
> \layout {
>   \override Hairpin.endpoint-alignments =
>   #(lambda (hairpin)
>      (let ((right-bound (ly:spanner-bound hairpin RIGHT)))
>        (if (and (grob::has-interface right-bound 'bar-line-interface)
>                 (not (equal? (ly:grob-property right-bound 'glyph "|")
>                              "|")))
>            (cons LEFT LEFT)
>            (cons LEFT RIGHT))))
> }
> 
> This changes the alignment behaviour at the right end of all Hairpins
> that end at bar lines which are not "|".

Nice!  I think we should provide a proper callback function within
LilyPond to fix this.  What exactly is your reason to handle `|`
differently?


    Werner