no more copytagmethod function

lbaselib.c

@@ -198,10 +198,6 @@ static int luaB_newtype (lua_State *L) {
   return 1;
 }
 
-static int luaB_copytagmethods (lua_State *L) {
-  lua_pushnumber(L, lua_copytagmethods(L, gettag(L, 1), gettag(L, 2)));
-  return 1;
-}
 
 static int luaB_globals (lua_State *L) {
   lua_getglobals(L);  /* value to be returned */
@@ -697,7 +693,6 @@ static const luaL_reg base_funcs[] = {
   {l_s(LUA_ERRORMESSAGE), luaB__ERRORMESSAGE},
   {l_s("call"), luaB_call},
   {l_s("collectgarbage"), luaB_collectgarbage},
-  {l_s("copytagmethods"), luaB_copytagmethods},
   {l_s("dofile"), luaB_dofile},
   {l_s("dostring"), luaB_dostring},
   {l_s("error"), luaB_error},

ltm.c

@@ -108,20 +108,6 @@ static void checktag (lua_State *L, int tag) {
 }
 
 
-LUA_API int lua_copytagmethods (lua_State *L, int tagto, int tagfrom) {
-  int e;
-  lua_lock(L);
-  checktag(L, tagto);
-  checktag(L, tagfrom);
-  for (e=0; e<TM_N; e++) {
-    if (luaT_validevent(tagto, e))
-      luaT_gettm(G(L), tagto, e) = luaT_gettm(G(L), tagfrom, e);
-  }
-  lua_unlock(L);
-  return tagto;
-}
-
-
 int luaT_tag (const TObject *o) {
   int t = ttype(o);
   switch (t) {

lua.h

@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.102 2001/07/19 13:24:18 roberto Exp roberto $
+** $Id: lua.h,v 1.103 2001/08/31 19:46:07 roberto Exp $
 ** Lua - An Extensible Extension Language
 ** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
 ** e-mail: [email protected]
@@ -202,7 +202,6 @@ LUA_API void  lua_setgcthreshold (lua_State *L, int newthreshold);
 ** miscellaneous functions
 */
 LUA_API int   lua_newtype (lua_State *L, const lua_char *name, int basictype);
-LUA_API int   lua_copytagmethods (lua_State *L, int tagto, int tagfrom);
 LUA_API void  lua_settag (lua_State *L, int tag);
 
 LUA_API int             lua_name2tag (lua_State *L, const lua_char *name);
@@ -237,7 +236,6 @@ LUA_API int   lua_getweakmode (lua_State *L, int index);
 
 #define lua_register(L,n,f)	(lua_pushcfunction(L, f), lua_setglobal(L, n))
 #define lua_pushcfunction(L,f)	lua_pushcclosure(L, f, 0)
-#define lua_clonetag(L,t)	lua_copytagmethods(L, lua_newtag(L), (t))
 
 #define lua_isfunction(L,n)	(lua_rawtag(L,n) == LUA_TFUNCTION)
 #define lua_istable(L,n)	(lua_rawtag(L,n) == LUA_TTABLE)