diff --git a/ase/awk/Awk.cpp b/ase/awk/Awk.cpp
index 186420f9..cfa920b4 100644
--- a/ase/awk/Awk.cpp
+++ b/ase/awk/Awk.cpp
@@ -1,5 +1,5 @@
 /*
- * $Id: Awk.cpp,v 1.36 2007/05/22 16:01:25 bacon Exp $
+ * $Id: Awk.cpp,v 1.37 2007/05/23 11:43:24 bacon Exp $
  */
 
 #include <ase/awk/Awk.hpp>
@@ -364,16 +364,6 @@ namespace ASE
 	{
 	}
 
-	void Awk::Run::setMaxBlockDepth (size_t n)
-	{
-		ase_awk_setmaxdepth (awk->awk, ASE_AWK_DEPTH_BLOCK_RUN, n);
-	}
-
-	void Awk::Run::setMaxExpressionDepth (size_t n)
-	{
-		ase_awk_setmaxdepth (awk->awk, ASE_AWK_DEPTH_EXPR_RUN, n);
-	}
-
 	int Awk::Run::stop ()
 	{
 		ASE_ASSERT (this->run != ASE_NULL);
@@ -570,6 +560,18 @@ namespace ASE
 		return ase_awk_getoption (awk);
 	}
 
+	void Awk::setDepth (int id, size_t depth)
+	{
+		ASE_ASSERT (awk != ASE_NULL);
+		ase_awk_setmaxdepth (awk, id, depth);
+	}
+
+	int Awk::getDepth (int id)
+	{
+		ASE_ASSERT (awk != ASE_NULL);
+		return ase_awk_getmaxdepth (awk, id);
+	}
+
 	int Awk::parse ()
 	{
 		ASE_ASSERT (awk != ASE_NULL);
diff --git a/ase/awk/Awk.hpp b/ase/awk/Awk.hpp
index bed69c4d..320fa6c8 100644
--- a/ase/awk/Awk.hpp
+++ b/ase/awk/Awk.hpp
@@ -1,5 +1,5 @@
 /*
- * $Id: Awk.hpp,v 1.34 2007/05/22 16:01:25 bacon Exp $
+ * $Id: Awk.hpp,v 1.35 2007/05/23 11:43:24 bacon Exp $
  */
 
 #ifndef _ASE_AWK_AWK_HPP_
@@ -369,9 +369,6 @@ namespace ASE
 			size_t getErrorLine () const;
 			const char_t* getErrorMessage () const;
 
-			void setMaxBlockDepth (size_t n);
-			void setMaxExpressionDepth (size_t n);
-
 		protected:
 			Awk* awk;
 			run_t* run;
@@ -399,6 +396,19 @@ namespace ASE
 		virtual void setOption (int opt);
 		virtual int  getOption () const;
 
+		enum Depth
+		{
+			DEPTH_BLOCK_PARSE = ASE_AWK_DEPTH_BLOCK_PARSE,
+			DEPTH_BLOCK_RUN   = ASE_AWK_DEPTH_BLOCK_RUN,
+			DEPTH_EXPR_PARSE  = ASE_AWK_DEPTH_EXPR_PARSE,
+			DEPTH_EXPR_RUN    = ASE_AWK_DEPTH_EXPR_RUN,
+			DEPTH_REX_BUILD   = ASE_AWK_DEPTH_REX_BUILD,
+			DEPTH_REX_MATCH   = ASE_AWK_DEPTH_REX_MATCH
+		};
+
+		virtual void setDepth (int id, size_t depth);
+		virtual int  getDepth (int id);
+
 		virtual int parse ();
 		virtual int run (const char_t* main = ASE_NULL, 
 		         const char_t** args = ASE_NULL, size_t nargs = 0);
diff --git a/ase/awk/StdAwk.cpp b/ase/awk/StdAwk.cpp
index ce5e4159..ec81d886 100644
--- a/ase/awk/StdAwk.cpp
+++ b/ase/awk/StdAwk.cpp
@@ -1,5 +1,5 @@
 /*
- * $Id: StdAwk.cpp,v 1.19 2007/05/20 16:21:09 bacon Exp $
+ * $Id: StdAwk.cpp,v 1.21 2007/05/23 14:15:16 bacon Exp $
  */
 
 #include <ase/awk/StdAwk.hpp>
@@ -29,7 +29,11 @@ namespace ASE
 	#define ADD_FUNC(name,min,max,impl) \
 		do { \
 			if (addFunction (name, min, max, \
-				(FunctionHandler)impl) == -1) return -1; \
+				(FunctionHandler)impl) == -1)  \
+			{ \
+				Awk::close (); \
+				return -1; \
+			} \
 		} while (0)
 
 	int StdAwk::open ()
diff --git a/ase/awk/StdAwk.hpp b/ase/awk/StdAwk.hpp
index 28e609fb..3cd5231e 100644
--- a/ase/awk/StdAwk.hpp
+++ b/ase/awk/StdAwk.hpp
@@ -1,5 +1,5 @@
 /*
- * $Id: StdAwk.hpp,v 1.9 2007/05/16 14:44:13 bacon Exp $
+ * $Id: StdAwk.hpp,v 1.11 2007/05/23 14:15:16 bacon Exp $
  */
 
 #ifndef _ASE_AWK_STDAWK_HPP_
@@ -34,7 +34,6 @@ namespace ASE
 		int strfgmtime (Return* ret, const Argument* args, size_t nargs);
 		int system (Return* ret, const Argument* args, size_t nargs);
 
-
 		// pipe io handlers 
 		int openPipe (Pipe& io);
 		int closePipe (Pipe& io);
diff --git a/ase/test/awk/Awk.cpp b/ase/test/awk/Awk.cpp
index b0ccd0e5..1cb407a7 100644
--- a/ase/test/awk/Awk.cpp
+++ b/ase/test/awk/Awk.cpp
@@ -1,5 +1,5 @@
 /*
- * $Id: Awk.cpp,v 1.17 2007/05/19 16:45:27 bacon Exp $
+ * $Id: Awk.cpp,v 1.18 2007/05/23 14:15:16 bacon Exp $
  */
 
 #include <ase/awk/StdAwk.hpp>
@@ -12,6 +12,8 @@
 
 #if defined(_WIN32)
 #include <windows.h>
+#else
+#include <unistd.h>
 #endif
 
 class TestAwk: public ASE::StdAwk
@@ -34,11 +36,24 @@ public:
 	{
 	#ifdef _WIN32
 		ASE_ASSERT (heap == ASE_NULL);
-		heap = HeapCreate (0, 1000000, 1000000);
+		heap = ::HeapCreate (0, 1000000, 1000000);
 		if (heap == ASE_NULL) return -1;
 	#endif
 
-		return StdAwk::open ();
+		int n = StdAwk::open ();
+
+		if (addFunction (ASE_T("sleep"), 1, 1, 
+			(FunctionHandler)&TestAwk::sleep) == -1)
+		{
+			StdAwk::close ();
+	#ifdef _WIN32
+			HeapDestroy (heap); 
+			heap = ASE_NULL;
+	#endif
+			return -1;
+		}
+
+		return n;
 	}
 
 	void close ()
@@ -54,6 +69,16 @@ public:
 	#endif
 	}
 
+	int sleep (Return* ret, const Argument* args, size_t nargs)
+	{
+	#ifdef _WIN32
+		::Sleep (args[0].toInt() * 1000);
+	#else
+		::sleep (args[0].toInt());
+	#endif
+		return 0;
+	}
+
 	int addConsoleInput (const char_t* file)
 	{
 		if (numConInFiles < ASE_COUNTOF(conInFile))
diff --git a/ase/test/awk/cou-027.awk b/ase/test/awk/cou-027.awk
index f8464883..a3ec5f31 100644
--- a/ase/test/awk/cou-027.awk
+++ b/ase/test/awk/cou-027.awk
@@ -1,5 +1,13 @@
 BEGIN { FS = "\t"; }
       { pop[$4] += $3; }
-END   { for (c in pop) 
+END   { 
+	for (c in pop) 
 		printf ("%15s\t%6d\n", c, pop[c]) | "sort -t'\t' +1rn";
-      }
+
+	# the following two statements make the program behave
+	# consistently across different platforms.
+	# on some platforms, the sort command output has
+	# been delayed until the program exits. 
+	close ("sort -t'\t' +1rn");
+	sleep (1);
+}