diff --git a/lauxlib.c b/lauxlib.c
index a6cf8fbb..c8a597e2 100644
--- a/lauxlib.c
+++ b/lauxlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lauxlib.c,v 1.267 2014/07/19 14:37:09 roberto Exp roberto $
+** $Id: lauxlib.c,v 1.268 2014/09/22 06:42:15 roberto Exp roberto $
 ** Auxiliary functions for building Lua libraries
 ** See Copyright Notice in lua.h
 */
@@ -82,12 +82,12 @@ static int pushglobalfuncname (lua_State *L, lua_Debug *ar) {
 
 static void pushfuncname (lua_State *L, lua_Debug *ar) {
   if (*ar->namewhat != '\0')  /* is there a name? */
-    lua_pushfstring(L, "function " LUA_QS, ar->name);
+    lua_pushfstring(L, "function '%s'", ar->name);
   else if (*ar->what == 'm')  /* main? */
       lua_pushliteral(L, "main chunk");
   else if (*ar->what == 'C') {
     if (pushglobalfuncname(L, ar)) {
-      lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
+      lua_pushfstring(L, "function '%s'", lua_tostring(L, -1));
       lua_remove(L, -2);  /* remove name */
     }
     else
@@ -158,12 +158,12 @@ LUALIB_API int luaL_argerror (lua_State *L, int arg, const char *extramsg) {
   if (strcmp(ar.namewhat, "method") == 0) {
     arg--;  /* do not count `self' */
     if (arg == 0)  /* error is in the self argument itself? */
-      return luaL_error(L, "calling " LUA_QS " on bad self (%s)",
+      return luaL_error(L, "calling '%s' on bad self (%s)",
                            ar.name, extramsg);
   }
   if (ar.name == NULL)
     ar.name = (pushglobalfuncname(L, &ar)) ? lua_tostring(L, -1) : "?";
-  return luaL_error(L, "bad argument #%d to " LUA_QS " (%s)",
+  return luaL_error(L, "bad argument #%d to '%s' (%s)",
                         arg, ar.name, extramsg);
 }
 
@@ -335,7 +335,7 @@ LUALIB_API int luaL_checkoption (lua_State *L, int arg, const char *def,
     if (strcmp(lst[i], name) == 0)
       return i;
   return luaL_argerror(L, arg,
-                       lua_pushfstring(L, "invalid option " LUA_QS, name));
+                       lua_pushfstring(L, "invalid option '%s'", name));
 }
 
 
@@ -823,7 +823,7 @@ LUALIB_API void luaL_pushmodule (lua_State *L, const char *modname,
     /* try global variable (and create one if it does not exist) */
     lua_pushglobaltable(L);
     if (luaL_findtable(L, 0, modname, sizehint) != NULL)
-      luaL_error(L, "name conflict for module " LUA_QS, modname);
+      luaL_error(L, "name conflict for module '%s'", modname);
     lua_pushvalue(L, -1);
     lua_setfield(L, -3, modname);  /* _LOADED[modname] = new table */
   }
diff --git a/lbaselib.c b/lbaselib.c
index 72f43cfc..4b5ff3f0 100644
--- a/lbaselib.c
+++ b/lbaselib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lbaselib.c,v 1.300 2014/10/07 18:29:13 roberto Exp roberto $
+** $Id: lbaselib.c,v 1.301 2014/10/15 14:27:40 roberto Exp roberto $
 ** Basic library
 ** See Copyright Notice in lua.h
 */
@@ -32,8 +32,7 @@ static int luaB_print (lua_State *L) {
     lua_call(L, 1, 1);
     s = lua_tolstring(L, -1, &l);  /* get result */
     if (s == NULL)
-      return luaL_error(L,
-         LUA_QL("tostring") " must return a string to " LUA_QL("print"));
+      return luaL_error(L, "'tostring' must return a string to 'print'");
     if (i>1) luai_writestring("\t", 1);
     luai_writestring(s, l);
     lua_pop(L, 1);  /* pop result */
diff --git a/ldebug.c b/ldebug.c
index e31c0607..98eb8dc9 100644
--- a/ldebug.c
+++ b/ldebug.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ldebug.c,v 2.99 2014/07/17 12:30:53 roberto Exp roberto $
+** $Id: ldebug.c,v 2.100 2014/07/30 14:00:14 roberto Exp roberto $
 ** Debug Interface
 ** See Copyright Notice in lua.h
 */
@@ -515,7 +515,7 @@ static const char *varinfo (lua_State *L, const TValue *o) {
       kind = getobjname(ci_func(ci)->p, currentpc(ci),
                         cast_int(o - ci->u.l.base), &name);
   }
-  return (kind) ? luaO_pushfstring(L, " (%s " LUA_QS ")", kind, name) : "";
+  return (kind) ? luaO_pushfstring(L, " (%s '%s')", kind, name) : "";
 }
 
 
diff --git a/ldo.c b/ldo.c
index 05c6d551..c58831eb 100644
--- a/ldo.c
+++ b/ldo.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ldo.c,v 2.128 2014/10/07 18:29:13 roberto Exp roberto $
+** $Id: ldo.c,v 2.129 2014/10/08 12:20:26 roberto Exp roberto $
 ** Stack and Call structure of Lua
 ** See Copyright Notice in lua.h
 */
@@ -662,7 +662,7 @@ struct SParser {  /* data to `f_parser' */
 static void checkmode (lua_State *L, const char *mode, const char *x) {
   if (mode && strchr(mode, x[0]) == NULL) {
     luaO_pushfstring(L,
-       "attempt to load a %s chunk (mode is " LUA_QS ")", x, mode);
+       "attempt to load a %s chunk (mode is '%s')", x, mode);
     luaD_throw(L, LUA_ERRSYNTAX);
   }
 }
diff --git a/liolib.c b/liolib.c
index cb172af8..bf78d5e1 100644
--- a/liolib.c
+++ b/liolib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: liolib.c,v 2.131 2014/10/03 12:54:57 roberto Exp roberto $
+** $Id: liolib.c,v 2.132 2014/10/15 14:27:40 roberto Exp roberto $
 ** Standard I/O (and system) library
 ** See Copyright Notice in lua.h
 */
@@ -70,7 +70,7 @@
 /* ANSI definitions */
 #define l_popen(L,c,m)  \
 	  ((void)((void)c, m), \
-	  luaL_error(L, LUA_QL("popen") " not supported"), \
+	  luaL_error(L, "'popen' not supported"), \
 	  (FILE*)0)
 #define l_pclose(L,file)		((void)L, (void)file, -1)
 
@@ -244,7 +244,7 @@ static void opencheck (lua_State *L, const char *fname, const char *mode) {
   LStream *p = newfile(L);
   p->f = fopen(fname, mode);
   if (p->f == NULL)
-    luaL_error(L, "cannot open file " LUA_QS " (%s)", fname, strerror(errno));
+    luaL_error(L, "cannot open file '%s' (%s)", fname, strerror(errno));
 }
 
 
diff --git a/llex.c b/llex.c
index 91de0ad8..9816efd9 100644
--- a/llex.c
+++ b/llex.c
@@ -1,5 +1,5 @@
 /*
-** $Id: llex.c,v 2.81 2014/10/01 11:52:33 roberto Exp roberto $
+** $Id: llex.c,v 2.82 2014/10/10 22:23:04 roberto Exp roberto $
 ** Lexical Analyzer
 ** See Copyright Notice in lua.h
 */
@@ -79,12 +79,12 @@ void luaX_init (lua_State *L) {
 const char *luaX_token2str (LexState *ls, int token) {
   if (token < FIRST_RESERVED) {  /* single-byte symbols? */
     lua_assert(token == cast_uchar(token));
-    return luaO_pushfstring(ls->L, LUA_QL("%c"), token);
+    return luaO_pushfstring(ls->L, "'%c'", token);
   }
   else {
     const char *s = luaX_tokens[token - FIRST_RESERVED];
     if (token < TK_EOS)  /* fixed format (symbols and reserved words)? */
-      return luaO_pushfstring(ls->L, LUA_QS, s);
+      return luaO_pushfstring(ls->L, "'%s'", s);
     else  /* names, strings, and numerals */
       return s;
   }
@@ -96,7 +96,7 @@ static const char *txtToken (LexState *ls, int token) {
     case TK_NAME: case TK_STRING:
     case TK_FLT: case TK_INT:
       save(ls, '\0');
-      return luaO_pushfstring(ls->L, LUA_QS, luaZ_buffer(ls->buff));
+      return luaO_pushfstring(ls->L, "'%s'", luaZ_buffer(ls->buff));
     default:
       return luaX_token2str(ls, token);
   }
diff --git a/loadlib.c b/loadlib.c
index bf5ca9da..6c94aa4d 100644
--- a/loadlib.c
+++ b/loadlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: loadlib.c,v 1.115 2014/07/28 17:47:53 roberto Exp roberto $
+** $Id: loadlib.c,v 1.116 2014/07/29 16:01:00 roberto Exp roberto $
 ** Dynamic library loader for Lua
 ** See Copyright Notice in lua.h
 **
@@ -396,7 +396,7 @@ static const char *searchpath (lua_State *L, const char *name,
     lua_remove(L, -2);  /* remove path template */
     if (readable(filename))  /* does file exist and is readable? */
       return filename;  /* return that file name */
-    lua_pushfstring(L, "\n\tno file " LUA_QS, filename);
+    lua_pushfstring(L, "\n\tno file '%s'", filename);
     lua_remove(L, -2);  /* remove file name */
     luaL_addvalue(&msg);  /* concatenate error msg. entry */
   }
@@ -426,7 +426,7 @@ static const char *findfile (lua_State *L, const char *name,
   lua_getfield(L, lua_upvalueindex(1), pname);
   path = lua_tostring(L, -1);
   if (path == NULL)
-    luaL_error(L, LUA_QL("package.%s") " must be a string", pname);
+    luaL_error(L, "'package.%s' must be a string", pname);
   return searchpath(L, name, path, ".", dirsep);
 }
 
@@ -437,8 +437,7 @@ static int checkload (lua_State *L, int stat, const char *filename) {
     return 2;  /* return open function and file name */
   }
   else
-    return luaL_error(L, "error loading module " LUA_QS
-                         " from file " LUA_QS ":\n\t%s",
+    return luaL_error(L, "error loading module '%s' from file '%s':\n\t%s",
                           lua_tostring(L, 1), filename, lua_tostring(L, -1));
 }
 
@@ -499,8 +498,7 @@ static int searcher_Croot (lua_State *L) {
     if (stat != ERRFUNC)
       return checkload(L, 0, filename);  /* real error */
     else {  /* open function not found */
-      lua_pushfstring(L, "\n\tno module " LUA_QS " in file " LUA_QS,
-                         name, filename);
+      lua_pushfstring(L, "\n\tno module '%s' in file '%s'", name, filename);
       return 1;
     }
   }
@@ -524,14 +522,13 @@ static void findloader (lua_State *L, const char *name) {
   luaL_buffinit(L, &msg);
   lua_getfield(L, lua_upvalueindex(1), "searchers");  /* will be at index 3 */
   if (!lua_istable(L, 3))
-    luaL_error(L, LUA_QL("package.searchers") " must be a table");
+    luaL_error(L, "'package.searchers' must be a table");
   /*  iterate over available searchers to find a loader */
   for (i = 1; ; i++) {
     if (lua_rawgeti(L, 3, i) == LUA_TNIL) {  /* no more searchers? */
       lua_pop(L, 1);  /* remove nil */
       luaL_pushresult(&msg);  /* create error message */
-      luaL_error(L, "module " LUA_QS " not found:%s",
-                    name, lua_tostring(L, -1));
+      luaL_error(L, "module '%s' not found:%s", name, lua_tostring(L, -1));
     }
     lua_pushstring(L, name);
     lua_call(L, 1, 2);  /* call it */
@@ -589,7 +586,7 @@ static void set_env (lua_State *L) {
   if (lua_getstack(L, 1, &ar) == 0 ||
       lua_getinfo(L, "f", &ar) == 0 ||  /* get calling function */
       lua_iscfunction(L, -1))
-    luaL_error(L, LUA_QL("module") " not called from a Lua function");
+    luaL_error(L, "'module' not called from a Lua function");
   lua_pushvalue(L, -2);  /* copy new environment table to top */
   lua_setupvalue(L, -2, 1);
   lua_pop(L, 1);  /* remove function */
diff --git a/lobject.c b/lobject.c
index ebf3cf05..8e29b383 100644
--- a/lobject.c
+++ b/lobject.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lobject.c,v 2.91 2014/10/04 22:57:10 roberto Exp roberto $
+** $Id: lobject.c,v 2.92 2014/10/10 22:23:04 roberto Exp roberto $
 ** Some generic functions over Lua objects
 ** See Copyright Notice in lua.h
 */
@@ -415,9 +415,8 @@ const char *luaO_pushvfstring (lua_State *L, const char *fmt, va_list argp) {
         break;
       }
       default: {
-        luaG_runerror(L,
-            "invalid option " LUA_QL("%%%c") " to " LUA_QL("lua_pushfstring"),
-            *(e + 1));
+        luaG_runerror(L, "invalid option '%%%c' to 'lua_pushfstring'",
+                         *(e + 1));
       }
     }
     n += 2;
diff --git a/loslib.c b/loslib.c
index 47d1a6eb..45e5f4e3 100644
--- a/loslib.c
+++ b/loslib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: loslib.c,v 1.47 2014/10/01 11:54:56 roberto Exp roberto $
+** $Id: loslib.c,v 1.48 2014/10/08 19:57:31 roberto Exp roberto $
 ** Standard Operating System library
 ** See Copyright Notice in lua.h
 */
@@ -189,7 +189,7 @@ static int getfield (lua_State *L, const char *key, int d) {
   res = (int)lua_tointegerx(L, -1, &isnum);
   if (!isnum) {
     if (d < 0)
-      return luaL_error(L, "field " LUA_QS " missing in date table", key);
+      return luaL_error(L, "field '%s' missing in date table", key);
     res = d;
   }
   lua_pop(L, 1);
diff --git a/lparser.c b/lparser.c
index 1cac42df..e98aab69 100644
--- a/lparser.c
+++ b/lparser.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lparser.c,v 2.141 2014/07/18 13:36:14 roberto Exp roberto $
+** $Id: lparser.c,v 2.142 2014/07/21 16:02:10 roberto Exp roberto $
 ** Lua Parser
 ** See Copyright Notice in lua.h
 */
@@ -340,7 +340,7 @@ static void closegoto (LexState *ls, int g, Labeldesc *label) {
   if (gt->nactvar < label->nactvar) {
     TString *vname = getlocvar(fs, gt->nactvar)->varname;
     const char *msg = luaO_pushfstring(ls->L,
-      "<goto %s> at line %d jumps into the scope of local " LUA_QS,
+      "<goto %s> at line %d jumps into the scope of local '%s'",
       getstr(gt->name), gt->line, getstr(vname));
     semerror(ls, msg);
   }
@@ -457,7 +457,7 @@ static void breaklabel (LexState *ls) {
 static l_noret undefgoto (LexState *ls, Labeldesc *gt) {
   const char *msg = isreserved(gt->name)
                     ? "<%s> at line %d not inside a loop"
-                    : "no visible label " LUA_QS " for <goto> at line %d";
+                    : "no visible label '%s' for <goto> at line %d";
   msg = luaO_pushfstring(ls->L, msg, getstr(gt->name), gt->line);
   semerror(ls, msg);
 }
@@ -761,7 +761,7 @@ static void parlist (LexState *ls) {
           f->is_vararg = 1;
           break;
         }
-        default: luaX_syntaxerror(ls, "<name> or " LUA_QL("...") " expected");
+        default: luaX_syntaxerror(ls, "<name> or '...' expected");
       }
     } while (!f->is_vararg && testnext(ls, ','));
   }
@@ -953,7 +953,7 @@ static void simpleexp (LexState *ls, expdesc *v) {
     case TK_DOTS: {  /* vararg */
       FuncState *fs = ls->fs;
       check_condition(ls, fs->f->is_vararg,
-                      "cannot use " LUA_QL("...") " outside a vararg function");
+                      "cannot use '...' outside a vararg function");
       init_exp(v, VVARARG, luaK_codeABC(fs, OP_VARARG, 0, 1, 0));
       break;
     }
@@ -1200,7 +1200,7 @@ static void checkrepeated (FuncState *fs, Labellist *ll, TString *label) {
   for (i = fs->bl->firstlabel; i < ll->n; i++) {
     if (eqstr(label, ll->arr[i].name)) {
       const char *msg = luaO_pushfstring(fs->ls->L,
-                          "label " LUA_QS " already defined on line %d",
+                          "label '%s' already defined on line %d",
                           getstr(label), ll->arr[i].line);
       semerror(fs->ls, msg);
     }
@@ -1367,7 +1367,7 @@ static void forstat (LexState *ls, int line) {
   switch (ls->t.token) {
     case '=': fornum(ls, varname, line); break;
     case ',': case TK_IN: forlist(ls, varname); break;
-    default: luaX_syntaxerror(ls, LUA_QL("=") " or " LUA_QL("in") " expected");
+    default: luaX_syntaxerror(ls, "'=' or 'in' expected");
   }
   check_match(ls, TK_END, TK_FOR, line);
   leaveblock(fs);  /* loop scope (`break' jumps to this point) */
diff --git a/lstrlib.c b/lstrlib.c
index dfb1f8c1..f1239df5 100644
--- a/lstrlib.c
+++ b/lstrlib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lstrlib.c,v 1.202 2014/10/01 11:54:56 roberto Exp roberto $
+** $Id: lstrlib.c,v 1.203 2014/10/17 10:55:28 roberto Exp roberto $
 ** Standard library for string operations and pattern-matching
 ** See Copyright Notice in lua.h
 */
@@ -250,14 +250,14 @@ static const char *classend (MatchState *ms, const char *p) {
   switch (*p++) {
     case L_ESC: {
       if (p == ms->p_end)
-        luaL_error(ms->L, "malformed pattern (ends with " LUA_QL("%%") ")");
+        luaL_error(ms->L, "malformed pattern (ends with '%%')");
       return p+1;
     }
     case '[': {
       if (*p == '^') p++;
       do {  /* look for a `]' */
         if (p == ms->p_end)
-          luaL_error(ms->L, "malformed pattern (missing " LUA_QL("]") ")");
+          luaL_error(ms->L, "malformed pattern (missing ']')");
         if (*(p++) == L_ESC && p < ms->p_end)
           p++;  /* skip escapes (e.g. `%]') */
       } while (*p != ']');
@@ -332,8 +332,7 @@ static int singlematch (MatchState *ms, const char *s, const char *p,
 static const char *matchbalance (MatchState *ms, const char *s,
                                    const char *p) {
   if (p >= ms->p_end - 1)
-    luaL_error(ms->L, "malformed pattern "
-                      "(missing arguments to " LUA_QL("%%b") ")");
+    luaL_error(ms->L, "malformed pattern (missing arguments to '%%b')");
   if (*s != *p) return NULL;
   else {
     int b = *p;
@@ -450,8 +449,7 @@ static const char *match (MatchState *ms, const char *s, const char *p) {
             const char *ep; char previous;
             p += 2;
             if (*p != '[')
-              luaL_error(ms->L, "missing " LUA_QL("[") " after "
-                                 LUA_QL("%%f") " in pattern");
+              luaL_error(ms->L, "missing '[' after '%%f' in pattern");
             ep = classend(ms, p);  /* points to what is next */
             previous = (s == ms->src_init) ? '\0' : *(s - 1);
             if (!matchbracketclass(uchar(previous), p, ep - 1) &&
@@ -694,8 +692,7 @@ static void add_s (MatchState *ms, luaL_Buffer *b, const char *s,
       i++;  /* skip ESC */
       if (!isdigit(uchar(news[i]))) {
         if (news[i] != L_ESC)
-          luaL_error(L, "invalid use of " LUA_QL("%c")
-                        " in replacement string", L_ESC);
+          luaL_error(L, "invalid use of '%c' in replacement string", L_ESC);
         luaL_addchar(b, news[i]);
       }
       else if (news[i] == '0')
@@ -929,8 +926,8 @@ static int str_format (lua_State *L) {
           }
         }
         default: {  /* also treat cases `pnLlh' */
-          return luaL_error(L, "invalid option " LUA_QL("%%%c") " to "
-                               LUA_QL("format"), *(strfrmt - 1));
+          return luaL_error(L, "invalid option '%%%c' to 'format'",
+                               *(strfrmt - 1));
         }
       }
       luaL_addsize(&b, nb);
diff --git a/ltable.c b/ltable.c
index f76af94a..986e2708 100644
--- a/ltable.c
+++ b/ltable.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltable.c,v 2.94 2014/08/01 17:24:02 roberto Exp roberto $
+** $Id: ltable.c,v 2.95 2014/09/04 18:15:29 roberto Exp roberto $
 ** Lua tables (hash)
 ** See Copyright Notice in lua.h
 */
@@ -181,7 +181,7 @@ static unsigned int findindex (lua_State *L, Table *t, StkId key) {
       }
       nx = gnext(n);
       if (nx == 0)
-        luaG_runerror(L, "invalid key to " LUA_QL("next"));  /* key not found */
+        luaG_runerror(L, "invalid key to 'next'");  /* key not found */
       else n += nx;
     }
   }
diff --git a/ltablib.c b/ltablib.c
index 8fced7a3..85004770 100644
--- a/ltablib.c
+++ b/ltablib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: ltablib.c,v 1.75 2014/08/21 20:07:56 roberto Exp roberto $
+** $Id: ltablib.c,v 1.76 2014/09/22 06:42:15 roberto Exp roberto $
 ** Library for Table Manipulation
 ** See Copyright Notice in lua.h
 */
@@ -91,7 +91,7 @@ static int tinsert (lua_State *L) {
       break;
     }
     default: {
-      return luaL_error(L, "wrong number of arguments to " LUA_QL("insert"));
+      return luaL_error(L, "wrong number of arguments to 'insert'");
     }
   }
   (*ta.seti)(L, 1, pos);  /* t[pos] = v */
@@ -154,8 +154,8 @@ static int tmove (lua_State *L) {
 static void addfield (lua_State *L, luaL_Buffer *b, TabA *ta, lua_Integer i) {
   (*ta->geti)(L, 1, i);
   if (!lua_isstring(L, -1))
-    luaL_error(L, "invalid value (%s) at index %d in table for "
-                  LUA_QL("concat"), luaL_typename(L, -1), i);
+    luaL_error(L, "invalid value (%s) at index %d in table for 'concat'",
+                  luaL_typename(L, -1), i);
   luaL_addvalue(b);
 }
 
diff --git a/lua.c b/lua.c
index 806be9fb..5aaaecd2 100644
--- a/lua.c
+++ b/lua.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.c,v 1.213 2014/06/30 19:48:08 roberto Exp roberto $
+** $Id: lua.c,v 1.214 2014/09/25 14:20:37 roberto Exp roberto $
 ** Lua stand-alone interpreter
 ** See Copyright Notice in lua.h
 */
@@ -134,9 +134,9 @@ static void print_usage (const char *badoption) {
   luai_writestringerror(
   "usage: %s [options] [script [args]]\n"
   "Available options are:\n"
-  "  -e stat  execute string " LUA_QL("stat") "\n"
-  "  -i       enter interactive mode after executing " LUA_QL("script") "\n"
-  "  -l name  require library " LUA_QL("name") "\n"
+  "  -e stat  execute string 'stat'\n"
+  "  -i       enter interactive mode after executing 'script'\n"
+  "  -l name  require library 'name'\n"
   "  -v       show version information\n"
   "  -E       ignore environment variables\n"
   "  --       stop handling options\n"
@@ -388,9 +388,8 @@ static void l_print (lua_State *L) {
     lua_getglobal(L, "print");
     lua_insert(L, 1);
     if (lua_pcall(L, n, 0, 0) != LUA_OK)
-      l_message(progname, lua_pushfstring(L,
-                             "error calling " LUA_QL("print") " (%s)",
-                             lua_tostring(L, -1)));
+      l_message(progname, lua_pushfstring(L, "error calling 'print' (%s)",
+                                             lua_tostring(L, -1)));
   }
 }
 
diff --git a/luaconf.h b/luaconf.h
index 316db5e6..e4769311 100644
--- a/luaconf.h
+++ b/luaconf.h
@@ -1,5 +1,5 @@
 /*
-** $Id: luaconf.h,v 1.216 2014/10/08 20:32:50 roberto Exp roberto $
+** $Id: luaconf.h,v 1.217 2014/10/15 14:53:20 roberto Exp roberto $
 ** Configuration file for Lua
 ** See Copyright Notice in lua.h
 */
@@ -243,7 +243,8 @@
 
 /*
 @@ LUA_QL describes how error messages quote program elements.
-** CHANGE it if you want a different appearance.
+** Lua does not use these macros anymore; they are here for
+** compatibility only.
 */
 #define LUA_QL(x)	"'" x "'"
 #define LUA_QS		LUA_QL("%s")
diff --git a/lvm.c b/lvm.c
index c955f80d..974f9f77 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 2.222 2014/07/30 14:42:44 roberto Exp roberto $
+** $Id: lvm.c,v 2.223 2014/09/04 18:15:29 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -1033,13 +1033,13 @@ void luaV_execute (lua_State *L) {
         else {  /* try making all values floats */
           lua_Number ninit; lua_Number nlimit; lua_Number nstep;
           if (!tonumber(plimit, &nlimit))
-            luaG_runerror(L, LUA_QL("for") " limit must be a number");
+            luaG_runerror(L, "'for' limit must be a number");
           setfltvalue(plimit, nlimit);
           if (!tonumber(pstep, &nstep))
-            luaG_runerror(L, LUA_QL("for") " step must be a number");
+            luaG_runerror(L, "'for' step must be a number");
           setfltvalue(pstep, nstep);
           if (!tonumber(init, &ninit))
-            luaG_runerror(L, LUA_QL("for") " initial value must be a number");
+            luaG_runerror(L, "'for' initial value must be a number");
           setfltvalue(init, luai_numsub(L, ninit, nstep));
         }
         ci->u.l.savedpc += GETARG_sBx(i);