For insert/replace/remove a flags use this function as this example:
`
mrss_set(mrss, MRSS_FLAG_TITLE, "hello world", MRSS_FLAG_END);
mrss_set(item, MRSS_FLAG_DESCRIPTION, null, MRSS_FLAG_END);
`
mrss data that you want changes the next list of elements. The list is composted by KEY - VALUES and as last element MRSS_FLAG_END.
The variable of value depends from key.
For insert/replace/remove a flags use this function as this example: ` mrss_set(mrss, MRSS_FLAG_TITLE, "hello world", MRSS_FLAG_END); mrss_set(item, MRSS_FLAG_DESCRIPTION, null, MRSS_FLAG_END); `