Template:Ns has subpages/doc
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Detects whether the current or the given namespace has subpages enabled. Returns "yes" if it does, and an empty string otherwise.
This template can be substituted.
Usage
[change source]{{ns has subpages}}
→ yes{{ns has subpages|Template}}
→ yes{{ns has subpages|Category}}
→{{ns has subpages|}}
(main space) →{{ns has subpages|{{ns:0}}}}
(main space) →{{ns has subpages|:}}
(main space) →{{ns has subpages|{{ns:Talk}}}}
→ yes
The template recognises namespaces which 'should' have subpages, but currently do not (see mediazilla:18437); that is, pages in Category talk:, Help: and Help talk: namespaces. Full page names can be passed, with the obvious caveat that passing the article [[Template]] or [[Category]] is... inadvisable...
{{ns has subpages|Category talk}}
→ yes{{ns has subpages|File:Foo}}
→{{ns has subpages|Foo}}
→{{ns has subpages|:Template}}
→ yes
See also
[change source]{{namespace detect}}