Unreal3.2/src 
s_user.c

#ifdef EXPERIMENTAL

sendto_one(sptr, err_str(ERR_TARGETTOOFAST),me.name, sptr->name, me.name);

Unreal3.2/src 
s_err.c

/* 001 RPL_WELCOME */ ":%s 001 %s :Welcome to the %s IRC Network %s!%s@%s",

/* 001 RPL_WELCOME */ ":%s 001 %s :Message target change too fast %s IRC Network <A href="mailto:%s!%s@%s",[/PHP">%s!%s@%s",

Unreal3.2/include 
h.h

#define BREPORT_DO_DNS "NOTICE AUTH :*** Looking up your hostname...\r\n"

#define BREPORT_DO_DNS "NOTICE AUTH :*** Message target change too fast ...\r\n"