diff --git a/ase/awk/parse.c b/ase/awk/parse.c
index 73f90915..eccdf434 100644
--- a/ase/awk/parse.c
+++ b/ase/awk/parse.c
@@ -1,5 +1,5 @@
 /*
- * $Id: parse.c,v 1.128 2006-06-29 14:38:01 bacon Exp $
+ * $Id: parse.c,v 1.129 2006-06-29 15:40:30 bacon Exp $
  */
 
 #include <xp/awk/awk_i.h>
@@ -65,12 +65,6 @@ enum
 	TOKEN_COLON,
 	TOKEN_QUEST,
 
-	TOKEN_INT,
-	TOKEN_REAL,
-	TOKEN_STR,
-	TOKEN_REX,
-
-	TOKEN_IDENT,
 	TOKEN_BEGIN,
 	TOKEN_END,
 	TOKEN_FUNCTION,
@@ -93,6 +87,12 @@ enum
 	TOKEN_LOCAL,
 	TOKEN_GLOBAL,
 
+	TOKEN_IDENT,
+	TOKEN_INT,
+	TOKEN_REAL,
+	TOKEN_STR,
+	TOKEN_REX,
+
 	__TOKEN_COUNT__
 };
 
@@ -136,6 +136,7 @@ static xp_awk_nde_t* __parse_bitwise_and (xp_awk_t* awk);
 static xp_awk_nde_t* __parse_equality (xp_awk_t* awk);
 static xp_awk_nde_t* __parse_relational (xp_awk_t* awk);
 static xp_awk_nde_t* __parse_shift (xp_awk_t* awk);
+static xp_awk_nde_t* __parse_concat (xp_awk_t* awk);
 static xp_awk_nde_t* __parse_additive (xp_awk_t* awk);
 static xp_awk_nde_t* __parse_multiplicative (xp_awk_t* awk);
 
@@ -1127,13 +1128,6 @@ static xp_awk_nde_t* __parse_statement_nb (xp_awk_t* awk)
 
 static xp_awk_nde_t* __parse_expression (xp_awk_t* awk)
 {
-	/*
-	 * <expression> ::= <assignment> | <basic expression>
-	 * <assignment> ::= <assignment target> assignmentOperator <basic expression>
-	 * assignmentOperator ::= '='
-	 * <basic expression> ::= 
-	 */
-
 	xp_awk_nde_t* x, * y;
 	xp_awk_nde_ass_t* nde;
 	int opcode;
@@ -1622,7 +1616,47 @@ static xp_awk_nde_t* __parse_shift (xp_awk_t* awk)
 		{ TOKEN_EOF, 0 }
 	};
 
-	return __parse_binary_expr (awk, map, __parse_additive);
+	return __parse_binary_expr (awk, map, __parse_concat);
+}
+
+static xp_awk_nde_t* __parse_concat (xp_awk_t* awk)
+{
+	xp_awk_nde_exp_t* nde;
+	xp_awk_nde_t* left, * right;
+
+	left = __parse_additive (awk);
+	if (left == XP_NULL) return XP_NULL;
+
+	/* TODO: write a better code to do this.... 
+	 *       first of all, is the following check sufficient??? */
+	while (awk->token.type > TOKEN_QUEST)
+	{
+		right = __parse_additive (awk);
+		if (right == XP_NULL) 
+		{
+			xp_awk_clrpt (left);
+			return XP_NULL;
+		}
+
+		nde = (xp_awk_nde_exp_t*) 
+			xp_malloc (xp_sizeof(xp_awk_nde_exp_t));
+		if (nde == XP_NULL)
+		{
+			xp_awk_clrpt (left);
+			xp_awk_clrpt (right);
+			PANIC (awk, XP_AWK_ENOMEM);
+		}
+
+		nde->type = XP_AWK_NDE_EXP_BIN;
+		nde->next = XP_NULL;
+		nde->opcode = XP_AWK_BINOP_CONCAT;
+		nde->left = left;
+		nde->right = right;
+		
+		left = (xp_awk_nde_t*)nde;
+	}
+
+	return left;
 }
 
 static xp_awk_nde_t* __parse_additive (xp_awk_t* awk)
diff --git a/ase/awk/run.c b/ase/awk/run.c
index e96d36bf..61093f95 100644
--- a/ase/awk/run.c
+++ b/ase/awk/run.c
@@ -1,5 +1,5 @@
 /*
- * $Id: run.c,v 1.114 2006-06-29 14:38:01 bacon Exp $
+ * $Id: run.c,v 1.115 2006-06-29 15:40:30 bacon Exp $
  */
 
 #include <xp/awk/awk_i.h>
@@ -112,6 +112,8 @@ static xp_awk_val_t* __eval_binop_mod (
 	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right);
 static xp_awk_val_t* __eval_binop_exp (
 	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right);
+static xp_awk_val_t* __eval_binop_concat (
+	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right);
 static xp_awk_val_t* __eval_binop_ma (
 	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right);
 static xp_awk_val_t* __eval_binop_nm (
@@ -1514,6 +1516,7 @@ static xp_awk_val_t* __eval_binary (xp_awk_run_t* run, xp_awk_nde_t* nde)
 		__eval_binop_mod,
 		__eval_binop_exp,
 
+		__eval_binop_concat,
 		__eval_binop_ma,
 		__eval_binop_nm
 	};
@@ -2336,6 +2339,14 @@ static xp_awk_val_t* __eval_binop_exp (
 	return res;
 }
 
+static xp_awk_val_t* __eval_binop_concat (
+	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right)
+{
+xp_printf (XP_T("eval_binop_concat not implemented yet...\n"));
+	PANIC (run, XP_AWK_EINTERNAL);
+	return XP_NULL;
+}
+
 static xp_awk_val_t* __eval_binop_ma (
 	xp_awk_run_t* run, xp_awk_val_t* left, xp_awk_val_t* right)
 {
diff --git a/ase/awk/run.h b/ase/awk/run.h
index 10ae9e3b..53a7d96c 100644
--- a/ase/awk/run.h
+++ b/ase/awk/run.h
@@ -1,5 +1,5 @@
 /*
- * $Id: run.h,v 1.13 2006-04-29 12:09:29 bacon Exp $
+ * $Id: run.h,v 1.14 2006-06-29 15:40:30 bacon Exp $
  */
 
 #ifndef _XP_AWK_RUN_H_
@@ -50,6 +50,7 @@ enum
 	XP_AWK_BINOP_MOD,
 	XP_AWK_BINOP_EXP,
 
+	XP_AWK_BINOP_CONCAT,
 	XP_AWK_BINOP_MA,
 	XP_AWK_BINOP_NM
 };
diff --git a/ase/awk/tree.c b/ase/awk/tree.c
index 852c5300..e350dd05 100644
--- a/ase/awk/tree.c
+++ b/ase/awk/tree.c
@@ -1,5 +1,5 @@
 /*
- * $Id: tree.c,v 1.60 2006-06-29 14:38:01 bacon Exp $
+ * $Id: tree.c,v 1.61 2006-06-29 15:40:30 bacon Exp $
  */
 
 #include <xp/awk/awk_i.h>
@@ -48,6 +48,7 @@ static const xp_char_t* __binop_str[] =
 	XP_T("%"),
 	XP_T("**"),
 
+	XP_T(" "),
 	XP_T("~"),
 	XP_T("!~")
 };
diff --git a/ase/test/awk/t12.awk b/ase/test/awk/t12.awk
index d9eb2e21..8811ee27 100644
--- a/ase/test/awk/t12.awk
+++ b/ase/test/awk/t12.awk
@@ -29,4 +29,5 @@ BEGIN
 	getline x < "abc";
 	print x > "abc";
 
+	print "abc" 1 + 2 3 + 49 2 / 3;
 }