hides the 'email' prompt on the feedback page (as that doesn't work, so it's a misleading/useless feature), makes the "please add your email" text a little nicer and more noticeable, and makes the "feedback" and "downloadable content" buttons on the main menu a little bit larger, and more clickable.
/*
** $Id: ldebug.h,v 2.3.1.1 2007/12/27 13:02:25 roberto Exp $
** Auxiliary functions from Debug Interface module
** See Copyright Notice in lua.h
*/
#ifndef ldebug_h
#define ldebug_h
#include "lstate.h"
#define pcRel(pc, p) (cast(int, (pc) - (p)->code) - 1)
#define getline(f,pc) (((f)->lineinfo) ? (f)->lineinfo[pc] : 0)
#define resethookcount(L) (L->hookcount = L->basehookcount)
LUAI_FUNC void luaG_typeerror (lua_State *L, const TValue *o,
const char *opname);
LUAI_FUNC void luaG_concaterror (lua_State *L, StkId p1, StkId p2);
LUAI_FUNC void luaG_aritherror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC int luaG_ordererror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC void luaG_runerror (lua_State *L, const char *fmt, ...);
LUAI_FUNC void luaG_errormsg (lua_State *L);
LUAI_FUNC int luaG_checkcode (const Proto *pt);
LUAI_FUNC int luaG_checkopenop (Instruction i);
#endif