Can you elaborate on "The url field contains a syntax that renders image
urls"?
<$transclude field=url> should be the same thing as {{!!url}}, so I don't
think that's actually your problem. If you mean that it contains wikitext
references like transclusions, you need to *wikify* the contents of the URL
field in order to get that URL. Probably what's happening is that you were
able to use {{!!url}} as a parameter to the img tag, but were only able to
use the transclude widget at the top level of your wikitext (where anything
that comes out of a transclusion is automatically wikified), so it looks
like the transclude widget is making the difference.
Wikifying the contents would look something like:
<$wikify name=wikifiedLink text={{!!url}}>
<img src=<<wikifiedLink>>>
</$wikify>
On Tuesday, November 24, 2020 at 12:01:20 AM UTC-6 W Yan wrote:
> Mohammad, thank you for the solution! Just tried it and it worked great.
> Now I'm having a go with <img src> thing, and I think I am pretty close...
> I'm at
>
> \define imgsrc(url)
> <img src="$(url)$">
> \end
> <$set name=url value={{!!url}}>
> <<imgsrc url>>
> </$set>
>
> right now, but can't get my head around using <$transclude field=image/>
> instead of {{!!url}}. The url field contains a syntax that renders image
> urls, and just transcluding with {{!!url}} doesn't seem to render the
> syntax at all. It only works when I use transclusion widget, but you can't
> include widgets inside attributes, so I'm stuck.
>
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