Hello,

I would like to use the score extension to generate guitar chords
diagrams, but writing something like 
        <score>
        \fret-diagram #"s:0.75;6-x;5-x;4-o;3-2;2-3;1-2;" 
        </score>
        
I get this message error:
        Processing `.../file.ly'
        Parsing...
        .../file.ly:12:0: error: unknown escaped string: `\fret'
        
        \fret-diagram #"s:0.75;6-x;5-x;4-o;3-2;2-3;1-2;" 
        .../file.ly:12:0: error: syntax error, unexpected STRING
        
        \fret-diagram #"s:0.75;6-x;5-x;4-o;3-2;2-3;1-2;" 
        .../file.ly:21:24: error: syntax error, unexpected '}'
                                
                                }error: failed files: ".../file.ly"
        
        exited with status: 1

The code works just fine when I compile it with my local lilypond. That
functionality would be really interesting, since with a little scribunto
module, it would allow to generate chords diagram on the fly, and even a
chord book.

Also I would like to make even more with colored diagrams showing a set
of interval on the neck. It would be fine if the mediawiki environnement
would allow this.

kind regards

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