Re: "Unbound variable" error in Scheme code after switch to 2.17

[Thomas Morley]

2013/8/29 Robert Schmaus <address@hidden>:
> Hi Ponderers,
>
> I'm usually working with the LilyJazz macros, provided by Thorsten Hämmerle.
> Up till now, I've used them with Lilypond v2.16 and no problems at all.
>
> Recently, I wanted to try it in connection with Lilypond v2.17 (latest
> build, 25ish). I updated the ly file containing the music as well as the
> LilyJAZZ.ily file. Compiling now gives me the following error:
>
> Parsing...
> Interpreting music...[8][16]
> Preprocessing graphical objects ... LilyJAZZ.ily:184:16:
> In expression (key-signature-interface::alteration-position (car alt) (cdr
> alt) ...):
> LilyJAZZ.ily:184:16: Unbound variable:
> key-signature-interface::alteration-position
>
> This refers the following code, more precisely, the 4th last line of that
> macro. Unfortunately, I don't speak Scheme - can anyone tell me how to fix
> this?
>
> Thanks!
> Robert
>
>
> #(define (jazz-keysig grob)
>   "stencil: jazz key signature (including cancellation)"
>   (let* ((altlist (ly:grob-property grob 'alteration-alist))
>     (c0pos (ly:grob-property grob 'c0-position))
>     (keysig-stencil '()))
>     (for-each (lambda (alt)
>          (let* ((alteration (if (grob::has-interface grob
> 'key-cancellation-interface) 0 (cdr alt)))
>          (glyphname (assoc-get alteration jazz-alteration-glyph-name-alist
> ""))
>          (padding (cond
>            ((< alteration 0) 0.25)  ; any kind of flat
>            ((= alteration 0) 0.05)    ;  natural
>            ((< alteration 1) 0.1)    ; sharp (less than double sharp)
>            (else -0.4)))                ; double sharp
>
>          (ypos (key-signature-interface::alteration-position (car alt) (cdr
> alt) c0pos))
>
>          (acc-stencil (grob-interpret-markup grob (markup #:raise (/ ypos 2)
> #:jazzglyph glyphname))))
>          (set! keysig-stencil (ly:stencil-combine-at-edge acc-stencil X
> RIGHT keysig-stencil padding)))) altlist)
>     keysig-stencil))
>
>
>
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http://lilypond.1069038.n5.nabble.com/Pseudo-handwritten-font-tt142117.html#a147230

Does it help?

-Harm