[out:xml][timeout:3600]; ( way(712914769)['wikidata'='Q107320501']['wikipedia'='en:Cleburne, Texas']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch']
[out:xml][timeout:3600]; ( node(10907093586)['flag:wikidata'='Q19000']['flag:wikipedia'='en:Texas']; node(10913175968)['flag:wikidata'='Q42537']['flag:wikipedia'='en:United States']; node(10924901816)['flag:wikidata'='Q42537']['flag:wikipedia'='en:United States']; ); (._;>;); out meta qt;//['wikipedia wikidata mismatch - for flag 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.