Hi Jeremy,
Thanks for the quick answer !
I did'nt know these details.
I think the documentation on tiddlywiki.com should be updated : the example
in the tiddler "Macro Definitions in WikiText" doesn't use commas to
separate the parameters.
FrD
Le lundi 28 septembre 2015 19:20:38 UTC+2, Jeremy Ruston a écrit :
>
> Hi FrD
>
> There are a couple of things going on:
>
> * Parameters in a macro definition are separated with commas. It is
> unfortunate that this is different than the white space separator used when
> invoking macros
> * In your example, the macro invocation of testmacro2 is unpacking to
> <<textmacro2 {{!!title}} {{!!foo}}>>. The missing value for the beta
> parameter comes out blank, causing the value you've specified with $gamma$
> to be passed as the parameter "beta" to testmacro2. The workaround is to
> use named parameters and quotes:
>
> Here's a corrected version:
>
> \define testmacro1(alpha:"{{!!title}}",beta,gamma:"{{!!foo}}")
> <<testmacro2 alpha:"""$alpha$""" beta:"""$beta$""" gamma:"""$gamma$""">>
> \end
>
> \define testmacro2(alpha,beta,gamma)
> alpha = $alpha$
> <br>
> beta = $beta$
> <br>
> gamma = $gamma$
> \end
>
> <<testmacro1>>
>
> Best wishes
>
> Jeremy
>
> <javascript:>
>
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