new implementation for global variable values (separated from strings)

lstate.h

@@ -1,5 +1,5 @@
 /*
-** $Id: lstate.h,v 1.19 1999/05/11 20:08:20 roberto Exp roberto $
+** $Id: lstate.h,v 1.20 1999/10/04 17:51:04 roberto Exp roberto $
 ** Global State
 ** See Copyright Notice in lua.h
 */
@@ -76,7 +76,7 @@ struct lua_State {
   TProtoFunc *rootproto;  /* list of all prototypes */
   Closure *rootcl;  /* list of all closures */
   Hash *roottable;  /* list of all tables */
-  TaggedString *rootglobal;  /* list of strings with global values */
+  GlobalVar *rootglobal;  /* list of global variables */
   stringtable *string_root;  /* array of hash tables for strings and udata */
   struct IM *IMtable;  /* table for tag methods */
   int last_tag;  /* last used tag in IMtable */