private static final boolean isChar(byte c) {
        return isChar[c & 0xFF];
    }
Tests if the byte is a ISO-8859-1 char.

@param c the byte to test.
@return if the byte is a char.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-text-module/src/main/java/org/apache/tika/parser/strings/Latin1StringsParser.java