nl: checks if two subsequent characters in a string are are the higher and the lower character in a surrogate pair and therefore eligible for conversion to a utf 32 character . concode_field_sep PlaceHolder placeHolder concode_field_sep String unEscapeURL concode_elem_sep URL toURL concode_elem_sep char[] copyOfRange concode_elem_sep float inchesToPoints concode_elem_sep void skip concode_elem_sep float pointsToMillimeters concode_elem_sep Set<K> getKeySet concode_elem_sep boolean isSurrogateHigh concode_elem_sep float millimetersToInches concode_elem_sep String convertFromUtf32 concode_elem_sep int convertToUtf32 concode_elem_sep int convertToUtf32 concode_elem_sep int convertToUtf32 concode_elem_sep float millimetersToPoints concode_elem_sep float inchesToMillimeters concode_elem_sep String readFileToString concode_elem_sep String readFileToString concode_elem_sep float pointsToInches concode_elem_sep String convertToHex concode_elem_sep boolean checkTrueOrFalse concode_elem_sep boolean isSurrogateLow concode_elem_sep Object[][] addToArray
code: boolean function ( final String arg0 , final int arg1 ) { if ( arg1 < 0 || arg1 > arg0 . length ( ) - 2 ) return false ; return isSurrogateHigh ( arg0 . charAt ( arg1 ) ) && isSurrogateLow ( arg0 . charAt ( arg1 + 1 ) ) ; }