no more compatibility option for long strings

llex.c

@@ -1,5 +1,5 @@
 /*
-** $Id: llex.c,v 2.20 2006/03/09 18:14:31 roberto Exp roberto $
+** $Id: llex.c,v 2.21 2006/07/11 15:53:29 roberto Exp roberto $
 ** Lexical Analyzer
 ** See Copyright Notice in lua.h
 */
@@ -222,8 +222,6 @@ static int skip_sep (LexState *ls) {
 
 
 static void read_long_string (LexState *ls, SemInfo *seminfo, int sep) {
-  int cont = 0;
-  (void)(cont);  /* avoid warnings when `cont' is not used */
   save_and_next(ls);  /* skip 2nd `[' */
   if (currIsNewline(ls))  /* string starts with a newline? */
     inclinenumber(ls);  /* skip it */
@@ -233,26 +231,9 @@ static void read_long_string (LexState *ls, SemInfo *seminfo, int sep) {
         luaX_lexerror(ls, (seminfo) ? "unfinished long string" :
                                    "unfinished long comment", TK_EOS);
         break;  /* to avoid warnings */
-#if defined(LUA_COMPAT_LSTR)
-      case '[': {
-        if (skip_sep(ls) == sep) {
-          save_and_next(ls);  /* skip 2nd `[' */
-          cont++;
-#if LUA_COMPAT_LSTR == 1
-          if (sep == 0)
-            luaX_lexerror(ls, "nesting of [[...]] is deprecated", '[');
-#endif
-        }
-        break;
-      }
-#endif
       case ']': {
         if (skip_sep(ls) == sep) {
           save_and_next(ls);  /* skip 2nd `]' */
-#if defined(LUA_COMPAT_LSTR) && LUA_COMPAT_LSTR == 2
-          cont--;
-          if (sep == 0 && cont >= 0) break;
-#endif
           goto endloop;
         }
         break;

luaconf.h

@@ -1,5 +1,5 @@
 /*
-** $Id: luaconf.h,v 1.83 2006/08/04 13:34:37 roberto Exp roberto $
+** $Id: luaconf.h,v 1.84 2006/08/07 19:14:30 roberto Exp roberto $
 ** Configuration file for Lua
 ** See Copyright Notice in lua.h
 */
@@ -342,14 +342,6 @@
 */
 #define LUA_COMPAT_MOD
 
-/*
-@@ LUA_COMPAT_LSTR controls compatibility with old long string nesting
-@* facility.
-** CHANGE it to 2 if you want the old behaviour, or undefine it to turn
-** off the advisory error when nesting [[...]].
-*/
-#define LUA_COMPAT_LSTR		1
-
 /*
 @@ LUA_COMPAT_GFIND controls compatibility with old 'string.gfind' name.
 ** CHANGE it to undefined as soon as you rename 'string.gfind' to