GMCP efun documentation missing

https://www.fluffos.info/efun/ is missing documentation for

int has_mxp(object default:F__THIS_OBJECT);
int has_zmp(object default:F__THIS_OBJECT);
void send_zmp(string, string *);
int has_gmcp(object default:F__THIS_OBJECT);
void send_gmcp(string);
void act_mxp();