Re: Doc of 'style ?

[Bertalan Fodor (LilyPondTool)]

As I know the stencil callback is unfortunately C code. So the valid 
styles are only present in the C sources.
That's a drawback of the current documentation system.

Bert

Valentin Villenave wrote:
> An additional question: are the spanner styles documented anywhere?
>
> When I tried to answer Haipeng on -user, I browsed the Internals
> Reference but couldn't find anything else than:
>
>
> style (symbol):
>     'line
>
>     This setting determines in what style a grob is typeset. Valid
> choices depend on the stencil callback reading this property.
>
>
> So I browsed the source files, trying to get a list of possible
> stencil callbacks; I found these in  define-sencil-commands.scm:
>
>
> (map ly:register-stencil-expression
>      '(beam
>        bezier-sandwich
>        blank
>        bracket
>        char
>        circle
>        dashed-line
>        dashed-slur
>        dot
>        draw-line
>        embedded-ps
>        glyph-string
>        named-glyph
>        path
>        polygon
>        repeat-slash
>        resetcolor
>        round-filled-box
>        setcolor
>        text
>        url-link
>        utf-8-string
>        white-dot
>        white-text
>        zigzag-line
>
>        grob-cause
>        no-origin
>        placebox
>        unknown
>
>        delay-stencil-evaluation
>        ))
>
> I can't say I have any idea of to use them. I looked in output-ps.scm,
> but that didn't really help. Can anyone help me to document it? I
> can't wait to see how a "bezier-sandwich" looks like! :)
>
> Cheers,
> Valentin
>
>
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