[Mediawiki-l] Using Templates from Wikipedia

[Daniel Barrett]

John W Foster wrote:
>Interwiki linking is the simplest way. Check it out.

I've seen ot implied several times that you can use interwiki linking to
transclude a template from another wiki.  But how to you do it?  As an
experiment, I tried pulling in the "Delete" template at
www.mediawiki.org via the interwiki value "mw":

{{mw:Delete}}
{{:mw:Delete}}
{{:mw:Template:Delete}}

but none of these do anything at all.  However, [[mw:Template:Delete]]
correctly produces an interwiki link.

Is this transclusion really possible?
I'm using MW 1.11.0.

Thanks,
DanB