--- a/src/symtab.h	Fri Jan 21 20:22:42 2011 +0100
+++ b/src/symtab.h	Sat Jan 22 02:21:52 2011 -0500
@@ -100,6 +100,12 @@
 
   private:
 
+    // No copying!
+
+    scope_id_cache (const scope_id_cache&);
+
+    scope_id_cache& operator = (const scope_id_cache&);
+
     static scope_id_cache *instance;
 
     // The next available scope not in the free list.
@@ -1885,6 +1891,12 @@
 
 private:
 
+  // No copying!
+
+  symbol_table (const symbol_table&);
+
+  symbol_table& operator = (const symbol_table&);
+
   typedef std::map<std::string, symbol_record>::const_iterator table_const_iterator;
   typedef std::map<std::string, symbol_record>::iterator table_iterator;