As I suggested with the snippet for UNICODE_ESC. You can find it in the lexer rules. In my opinion, this is not necessary (due to UTF-8 in XML), but it is available if you would like to encode any special characters.
As I suggested with the snippet for UNICODE_ESC. You can find it in the lexer rules. In my opinion, this is not necessary (due to UTF-8 in XML), but it is available if you would like to encode any special characters.