Re: What’s up with this snippet?

> I was pointed to this official Lilypond snippet for a sharp on a turn:
> 
> https://lilypond.org/doc/v2.26/Documentation/snippets/expressive-marks-_002d-creating-a-delayed-turn[1]
> 
> What this snippet is doing is to place the turn on a hidden note
> featuring the accidental and then using suggestAccidentals with a
> ton of overrides to get the sharp under the turn.
> 
> This is not only obviously quite a fickle way to get this done, it
> also adds issues such as Lilypond handling this as a regular
> accidental.  Guess the only advantage is that this handles change of
> accidentals on transposition (but there are better solutions to
> that).
> 
> The reasonable way to do this would of course be something like
> 
> \relative c'' {
>   \after 2*2/3 \turn c2( d4) r |
>   \after 4 \turn c4.( d8)
>   \after 4
>     -\tweak stencil
>       #(grob-transformer
>         'stencil
>         (lambda (grob orig)
>           (ly:stencil-combine-at-edge
>            orig Y DOWN
>            (grob-interpret-markup grob (markup #:center-align #:fontsize -5 #:sharp))
>            0.2)))
>     -\turn
>   d4.( e8)
> }
> 
> which is the clean way that is properly extensible to similar such
> applications (accidentals above turn, accidentals on other
> ornaments, ...).
> 
> Is there any reason for having this snippet?

This snippet is in the NR; it would be thus better to provide an
improved version.  Please go to

  https://wiki.lilypond.community/wiki/Creating_a_delayed_turn

and update the code; it will be then imported into LilyPond
eventually.


    Werner