diff --git a/lbaselib.c b/lbaselib.c
index ea50cd9c..358ca427 100644
--- a/lbaselib.c
+++ b/lbaselib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbaselib.c,v 1.171 2005/03/16 16:58:41 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.172 2005/03/22 16:04:29 roberto Exp roberto $
 ** Basic library
 ** See Copyright Notice in lua.h
 */
@@ -240,7 +240,7 @@ static int luaB_ipairs (lua_State *L) {
   luaL_checktype(L, 1, LUA_TTABLE);
   lua_pushvalue(L, lua_upvalueindex(1));  /* return generator, */
   lua_pushvalue(L, 1);  /* state, */
-  lua_pushinteger(L, LUA_FIRSTINDEX - 1);  /* and initial value */
+  lua_pushinteger(L, 0);  /* and initial value */
   return 3;
 }
 
@@ -340,12 +340,12 @@ static int luaB_getn (lua_State *L) {
 
 
 static int luaB_unpack (lua_State *L) {
-  int i = luaL_optint(L, 2, LUA_FIRSTINDEX);
+  int i = luaL_optint(L, 2, 1);
   int e = luaL_optint(L, 3, -1);
   int n;
   luaL_checktype(L, 1, LUA_TTABLE);
   if (e == -1)
-    e = luaL_getn(L, 1) + LUA_FIRSTINDEX - 1;
+    e = luaL_getn(L, 1);
   n = e - i + 1;  /* number of elements */
   if (n <= 0) return 0;  /* empty range */
   luaL_checkstack(L, n, "table too big to unpack");
diff --git a/ldo.c b/ldo.c
index 8e241e8d..23c0d7a3 100644
--- a/ldo.c
+++ b/ldo.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ldo.c,v 2.18 2005/03/16 20:02:48 roberto Exp roberto $
+** $Id: ldo.c,v 2.19 2005/03/18 18:55:09 roberto Exp roberto $
 ** Stack and Call structure of Lua
 ** See Copyright Notice in lua.h
 */
@@ -202,7 +202,7 @@ static StkId adjust_varargs (lua_State *L, int nfixargs, int actual,
     luaC_checkGC(L);
     htab = luaH_new(L, nvar, 1);  /* create `arg' table */
     for (i=0; i<nvar; i++)  /* put extra arguments into `arg' table */
-      setobj2n(L, luaH_setnum(L, htab, i+LUA_FIRSTINDEX), L->top - nvar + i);
+      setobj2n(L, luaH_setnum(L, htab, i+1), L->top - nvar + i);
     /* store counter in field `n' */
     setnvalue(luaH_setstr(L, htab, luaS_newliteral(L, "n")),
                                    cast(lua_Number, nvar));
diff --git a/ltablib.c b/ltablib.c
index 42575685..30220300 100644
--- a/ltablib.c
+++ b/ltablib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltablib.c,v 1.27 2004/12/07 18:28:47 roberto Exp roberto $
+** $Id: ltablib.c,v 1.28 2005/03/16 16:58:41 roberto Exp roberto $
 ** Library for Table Manipulation
 ** See Copyright Notice in lua.h
 */
@@ -23,7 +23,7 @@ static int foreachi (lua_State *L) {
   int i;
   int n = aux_getn(L, 1);
   luaL_checktype(L, 2, LUA_TFUNCTION);
-  for (i=LUA_FIRSTINDEX; i < n+LUA_FIRSTINDEX; i++) {
+  for (i=1; i <= n; i++) {
     lua_pushvalue(L, 2);  /* function */
     lua_pushinteger(L, i);  /* 1st argument */
     lua_rawgeti(L, 1, i);  /* 2nd argument */
@@ -73,7 +73,7 @@ static int setn (lua_State *L) {
 
 
 static int tinsert (lua_State *L) {
-  int e = aux_getn(L, 1) + LUA_FIRSTINDEX;  /* first empty element */
+  int e = aux_getn(L, 1) + 1;  /* first empty element */
   int pos;  /* where to insert new element */
   if (lua_isnone(L, 3))  /* called with only 2 arguments */
     pos = e;  /* insert new element at the end */
@@ -87,17 +87,17 @@ static int tinsert (lua_State *L) {
       lua_rawseti(L, 1, i);  /* t[i] = t[i-1] */
     }
   }
-  luaL_setn(L, 1, e - LUA_FIRSTINDEX + 1);  /* new size */
+  luaL_setn(L, 1, e);  /* new size */
   lua_rawseti(L, 1, pos);  /* t[pos] = v */
   return 0;
 }
 
 
 static int tremove (lua_State *L) {
-  int e = aux_getn(L, 1) + LUA_FIRSTINDEX - 1;
+  int e = aux_getn(L, 1);
   int pos = luaL_optint(L, 2, e);
-  if (e < LUA_FIRSTINDEX) return 0;  /* table is `empty' */
-  luaL_setn(L, 1, e - LUA_FIRSTINDEX);  /* t.n = n-1 */
+  if (e == 0) return 0;  /* table is `empty' */
+  luaL_setn(L, 1, e - 1);  /* t.n = n-1 */
   lua_rawgeti(L, 1, pos);  /* result = t[pos] */
   for ( ;pos<e; pos++) {
     lua_rawgeti(L, 1, pos+1);
@@ -113,11 +113,11 @@ static int str_concat (lua_State *L) {
   luaL_Buffer b;
   size_t lsep;
   const char *sep = luaL_optlstring(L, 2, "", &lsep);
-  int i = luaL_optint(L, 3, LUA_FIRSTINDEX);
+  int i = luaL_optint(L, 3, 1);
   int last = luaL_optint(L, 4, -2);
   luaL_checktype(L, 1, LUA_TTABLE);
   if (last == -2)
-    last = luaL_getn(L, 1) + LUA_FIRSTINDEX - 1;
+    last = luaL_getn(L, 1);
   luaL_buffinit(L, &b);
   for (; i <= last; i++) {
     lua_rawgeti(L, 1, i);
@@ -229,7 +229,7 @@ static int sort (lua_State *L) {
   if (!lua_isnoneornil(L, 2))  /* is there a 2nd argument? */
     luaL_checktype(L, 2, LUA_TFUNCTION);
   lua_settop(L, 2);  /* make sure there is two arguments */
-  auxsort(L, LUA_FIRSTINDEX, n + LUA_FIRSTINDEX - 1);
+  auxsort(L, 1, n);
   return 0;
 }
 
diff --git a/ltests.c b/ltests.c
index 4e12a493..6ccc5042 100644
--- a/ltests.c
+++ b/ltests.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltests.c,v 2.21 2005/03/16 16:58:41 roberto Exp roberto $
+** $Id: ltests.c,v 2.22 2005/03/23 17:51:11 roberto Exp roberto $
 ** Internal Module for Debugging of the Lua Implementation
 ** See Copyright Notice in lua.h
 */
@@ -430,7 +430,7 @@ static int listk (lua_State *L) {
   lua_createtable(L, p->sizek, 0);
   for (i=0; i<p->sizek; i++) {
     luaA_pushobject(L, p->k+i);
-    lua_rawseti(L, -2, i+LUA_FIRSTINDEX);
+    lua_rawseti(L, -2, i+1);
   }
   return 1;
 }
diff --git a/lua.h b/lua.h
index 698d5807..c7c17f49 100644
--- a/lua.h
+++ b/lua.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.h,v 1.203 2005/03/22 16:04:29 roberto Exp roberto $
+** $Id: lua.h,v 1.204 2005/03/23 17:51:11 roberto Exp roberto $
 ** Lua - An Extensible Extension Language
 ** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
 ** http://www.lua.org	mailto:info@lua.org
@@ -83,9 +83,6 @@ typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
 #define LUA_TTHREAD	8
 
 
-/* first index for arrays */
-#define LUA_FIRSTINDEX		1
-
 
 /* minimum Lua stack available to a C function */
 #define LUA_MINSTACK	20
diff --git a/lvm.c b/lvm.c
index 1fe0b420..5456e74d 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 2.33 2005/03/16 16:59:21 roberto Exp roberto $
+** $Id: lvm.c,v 2.34 2005/03/18 18:01:37 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -760,7 +760,7 @@ StkId luaV_execute (lua_State *L, int nexeccalls) {
         if (c == 0) c = cast(int, *pc++);
         runtime_check(L, ttistable(ra));
         h = hvalue(ra);
-        last = ((c-1)*LFIELDS_PER_FLUSH) + n + LUA_FIRSTINDEX - 1;
+        last = ((c-1)*LFIELDS_PER_FLUSH) + n;
         if (last > h->sizearray)  /* needs more space? */
           luaH_resizearray(L, h, last);  /* pre-alloc it at once */
         for (; n > 0; n--) {