20201016

Refs

https://www.mediawiki.org/wiki/Topic:Vvwg746hn80y6x1w

Storing data

Code:

{{#set: Has text=== Header ==}}

#show

Querying data

Code:

{{#show:
 {{FULLPAGENAME}}
 |?Has text
}}

Result:

#ask

Querying data

Code:

{{#ask:
 [[{{FULLPAGENAME}}]]
 [[Has text::+]]
 |mainlabel=-
 |?Has text=
}}

Result: