[out:xml][timeout:3600]; ( node(11607810800)['wikidata'='Q1657512']; node(8541891734)['wikidata'='Q1912416']; ); (._;>;); out meta qt;//['should use a secondary wikipedia tag - linking from wikipedia and wikidata tag to a human']
[out:xml][timeout:3600]; ( node(1061261710)['wikidata'='Q21959497']['wikipedia'='de:Schoberköpfe']; node(1061261720)['wikidata'='Q21959422']['wikipedia'='de:Schoberköpfe']; relation(3684182)['wikidata'='Q106368744']['wikipedia'='de:S-Bahn Salzburg']; relation(377570)['wikidata'='Q106368746']['wikipedia'='de:S-Bahn Salzburg']; relation(377612)['wikidata'='Q106368744']['wikipedia'='de:S-Bahn Salzburg']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
[out:xml][timeout:3600]; ( node(459528896)['wikidata'='Q537781']['wikipedia'='de:Billa']; ); (._;>;); out meta qt;//['blacklisted connection with known replacement']
[out:xml][timeout:3600]; ( node(9916655633)['operator:wikidata'='Q151954']['operator:wikipedia'='de:Lidl Österreich']; way(94149192)['operator:wikidata'='Q56425426']['operator:wikipedia'='de:Österreichische Bundesbahnen']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - for operator prefixed tags']
[out:xml][timeout:3600]; ( way(224235644)['on_the_list:wikidata'='Q38054210']['on_the_list:wikipedia'='de:Liste der denkmalgeschützten Objekte in Lend (Salzburg)']; way(224235645)['on_the_list:wikidata'='Q38102698']['on_the_list:wikipedia'='de:Liste der denkmalgeschützten Objekte in Lend (Salzburg)']; way(224235647)['on_the_list:wikidata'='Q38054228']['on_the_list:wikipedia'='de:Liste der denkmalgeschützten Objekte in Lend (Salzburg)']; way(380372977)['on_the_list:wikidata'='Q38102666']['on_the_list:wikipedia'='de:Liste der denkmalgeschützten Objekte in Lend (Salzburg)']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - for on_the_list prefixed tags']
[out:xml][timeout:3600]; ( node(2527835719)['wikidata'='Q21859095']['wikipedia'='ceb:Kloben (tumoy sa bukid)']; node(4264513839)['wikidata'='Q21871322']['wikipedia'='ceb:Grosser Lanschütz']; node(4270534348)['wikidata'='Q21871112']['wikipedia'='ceb:Goßkopf']; ); (._;>;); out meta qt;//['wikipedia tag links bot wikipedia']
[out:xml][timeout:3600]; ( node(11002815029)['brand:wikidata'='=Q927272']; ); (._;>;); out meta qt;//['malformed secondary wikidata tag - for brand prefixed tags']
JOSM Wikipedia plugin
Note to self: online version hosted at https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports, files are stored at https://github.com/matkoniecz/OSM-wikipedia-tag-validator-reports.