Issue/1286 (SortByCategory)
De Semantic MediaWiki - Sandbox
https://github.com/SemanticMediaWiki/SemanticMediaWiki/pull/1286
{{#ask: [[Has project::+]] |?Has project |?Category |sort=Category |order=asc }}
{{#ask: [[Has project::+]] |?Has project |?Category |sort=Category |order=desc }}