Change Details

As a user I want to have the possibility to search through categories including subcategories and intersection search. See https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20#.E2.80.9ECatScan-Funktionalit.C3.A4t.E2.80.9C_in_die_Software_integrierens (in German). This is part of the [Top 20 wishes of the German community](https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20)

As a user I want to have the possibility to search through categories including subcategories and intersection search. Version 1.0.: subcategories search, intersections search (AND, (-)), hint about limitations, gadget supporting Wikimedia Commons Version 1.5: mobile desktop view, tracking usage Version 2.0.: OR search, raise limitations See https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20#.E2.80.9ECatScan-Funktionalit.C3.A4t.E2.80.9C_in_die_Software_integrierens (in German). This is part of the [Top 20 wishes of the German community](https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20)

As a user I want to have the possibility to search through categories including subcategories and intersection search. Version 1.0.: subcategories search, intersections search (AND, (-)), hint about limitations, gadget supporting Wikimedia Commons Version 1.5: mobile desktop view, tracking usage Version 2.0.: OR search, raise limitations See https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20#.E2.80.9ECatScan-Funktionalit.C3.A4t.E2.80.9C_in_die_Software_integrierens (in German). This is part of the [Top 20 wishes of the German community](https://de.wikipedia.org/wiki/Wikipedia:Umfragen/Technische_W%C3%BCnsche/Top_20)