nl_tokens: Returns the subset of the provided BCP 47 language priority list for which this service has a matching locale when using the BCP 47 Lookup algorithm . Locales appear in the same order in the returned list as in the input list .
pl_tokens: function lookupSupportedLocalesOf ( requestedLocales , availableLocales ) { var matchedLocales = new InternalArray ( ) ; for ( var i = 0 ; i < requestedLocales . length ; ++ i ) { // Remove -u- extension. var locale = InternalRegExpReplace ( GetUnicodeExtensionRE ( ) , requestedLocales [ i ] , '' ) ; <mask> { if ( ! IS_UNDEFINED ( availableLocales [ locale ] ) ) { // Push requested locale not the resolved one. % _Call ( ArrayPush , matchedLocales , requestedLocales [ i ] ) ; break ; } // Truncate locale if possible, if not break. var pos = % _Call ( StringLastIndexOf , locale , '-' ) ; if ( pos === - 1 ) { break ; } locale = % _Call ( StringSubstring , locale , 0 , pos ) ; } while ( true ) ; } return matchedLocales ; }