Re: define-music-function question

[Nicolas Sceaux]

Le 12 août 2010 à 02:33, Ian Hulin a écrit :

> Hi all,
> 
> In a recent piece I've had occasion to produce a trill mark with an
> accidental above, and stealing from the manual, I came up with
> 
> g4(^\markup{
>    \tiny \center-column {
>      \flat \musicglyph #"scripts.trill" }
> 
> for example.
> 
> As this cropped up more than once I thought it would be a good idea to
> write a music function:
> 
> trillflat = #(define-music-function
>   (parser location note) (ly:music?)
>     #{$note^\markup{
>       \tiny\center-column{ \flat \musicglyph #"scripts.trill" }} )

What you want to do looks very like the example from the manual:
<http://lilypond.org/doc/v2.13/Documentation/extending/adding-articulation-to-notes-_0028example_0029>

> 
> But the parser/lexer gets upset with the ^ and I suspect it doesn't like
> the # between the '#{' and '#}'.

No, it's just that \variable ^\markup ... is not permitted.

Nicolas