Issue #1766338 by vasike, John Pitcairn, sagesolutions, jenlampton, ckaotik, andyanderso, SoulReceiver, Krzysztof Domański, liquidcms, smustgrave, luenemann, sorin.eugen, dawehner, xenophyle, Lendude, zebda, pameeela, longwave, alison: Incorrect filter group OR behavior, LEFT JOIN changed to INNER JOIN

Issue #1326618 by Albert Volkman, ykhadilkar, oriol_e9g, daniel_j, xenophyle: API docs cleanup for locale module