private final String htmlFilter( String line )
    {
        if ( line == null || line.equals( "" ) )
        {
            return "";
        }
        line = replace( line, "&", "&amp;" );
        line = replace( line, "<", "&lt;" );
        line = replace( line, ">", "&gt;" );
        line = replace( line, "\\\\", "&#92;&#92;" );
        line = replace( line, "\\\"", "\\&quot;" );
        line = replace( line, "'\"'", "'&quot;'" );
        return ongoingMultiLineCommentFilter( line );
    }