--- parser3/src/include/pa_stack.h	2003/02/17 15:34:19	1.17.2.4
+++ parser3/src/include/pa_stack.h	2003/03/04 15:59:18	1.17.2.6
@@ -8,7 +8,7 @@
 #ifndef PA_STACK_H
 #define PA_STACK_H
 
-static const char* IDENT_STACK_H="$Date: 2003/02/17 15:34:19 $";
+static const char* IDENT_STACK_H="$Date: 2003/03/04 15:59:18 $";
 
 #include "pa_config_includes.h"
 #include "pa_array.h"
@@ -26,9 +26,12 @@ public:
 			*this+=item; // append it
 		ftop++;
 	}
+
+	/// @test to think: freeing unused stack item right now, may no do that? 
+	/// [delay that till next push?]
 	T pop() {
 		T result=get(--ftop);
-		put(ftop, T());
+		put(ftop, empty); 
 		return result;
 	}
 
@@ -40,7 +43,7 @@ private:
 
 	// deepest used index
 	int ftop;
-
+	T empty;
 };
 
 #endif