* of different data types:
*
* @li Bool - '0', 'false', 'off', 'no' are equal to false and '1', 'true', 'on', 'yes' are equal to true;
- * @li Char - a single character or an ASCII code as '\0NNN' or '\0xNN';
+ * @li Char - a single character or an ASCII code as '\0NNN' (oct) or '\0xNN' (hex);
* @li Date - date string in the ISO 8601 format YYYY-MM-DD;
* @li DateTime - date and time string in the ISO 8601 format YYY-MM-DDTHH:MM:SSTZD;
* @li Double - the decimal point is always '.' regardless of the locale;