diff --git a/ase/awk/parse.c b/ase/awk/parse.c
index eccdf434..dcc84707 100644
--- a/ase/awk/parse.c
+++ b/ase/awk/parse.c
@@ -1,5 +1,5 @@
 /*
- * $Id: parse.c,v 1.129 2006-06-29 15:40:30 bacon Exp $
+ * $Id: parse.c,v 1.130 2006-06-30 03:53:16 bacon Exp $
  */
 
 #include <xp/awk/awk_i.h>
@@ -68,6 +68,10 @@ enum
 	TOKEN_BEGIN,
 	TOKEN_END,
 	TOKEN_FUNCTION,
+
+	TOKEN_LOCAL,
+	TOKEN_GLOBAL,
+
 	TOKEN_IF,
 	TOKEN_ELSE,
 	TOKEN_WHILE,
@@ -78,15 +82,12 @@ enum
 	TOKEN_RETURN,
 	TOKEN_EXIT,
 	TOKEN_DELETE,
-	TOKEN_GETLINE,
 	TOKEN_NEXT,
 	TOKEN_NEXTFILE,
 	TOKEN_PRINT,
 	TOKEN_PRINTF,
 
-	TOKEN_LOCAL,
-	TOKEN_GLOBAL,
-
+	TOKEN_GETLINE,
 	TOKEN_IDENT,
 	TOKEN_INT,
 	TOKEN_REAL,
@@ -184,11 +185,20 @@ struct __kwent
 
 static struct __kwent __kwtab[] = 
 {
+	/* operators */
+	{ XP_T("in"),       TOKEN_IN,       0 },
+
+	/* top-level block starters */
 	{ XP_T("BEGIN"),    TOKEN_BEGIN,    0 },
 	{ XP_T("END"),      TOKEN_END,      0 },
-
 	{ XP_T("function"), TOKEN_FUNCTION, 0 },
 	{ XP_T("func"),     TOKEN_FUNCTION, 0 },
+
+	/* keywords for variable declaration */
+	{ XP_T("local"),    TOKEN_LOCAL,    XP_AWK_EXPLICIT },
+	{ XP_T("global"),   TOKEN_GLOBAL,   XP_AWK_EXPLICIT },
+
+	/* keywords that start statements excluding expression statements */
 	{ XP_T("if"),       TOKEN_IF,       0 },
 	{ XP_T("else"),     TOKEN_ELSE,     0 },
 	{ XP_T("while"),    TOKEN_WHILE,    0 },
@@ -199,16 +209,13 @@ static struct __kwent __kwtab[] =
 	{ XP_T("return"),   TOKEN_RETURN,   0 },
 	{ XP_T("exit"),     TOKEN_EXIT,     0 },
 	{ XP_T("delete"),   TOKEN_DELETE,   0 },
-	{ XP_T("getline"),  TOKEN_GETLINE,  XP_AWK_EXTIO },
 	{ XP_T("next"),     TOKEN_NEXT,     0 },
 	{ XP_T("nextfile"), TOKEN_NEXTFILE, 0 },
 	{ XP_T("print"),    TOKEN_PRINT,    XP_AWK_EXTIO },
 	{ XP_T("printf"),   TOKEN_PRINTF,   XP_AWK_EXTIO },
 
-	{ XP_T("local"),    TOKEN_LOCAL,    XP_AWK_EXPLICIT },
-	{ XP_T("global"),   TOKEN_GLOBAL,   XP_AWK_EXPLICIT },
-
-	{ XP_T("in"),       TOKEN_IN,       0 },
+	/* keywords that can start an expression */
+	{ XP_T("getline"),  TOKEN_GETLINE,  XP_AWK_EXTIO },
 
 	{ XP_NULL,          0,              0 }
 };
@@ -1629,7 +1636,7 @@ static xp_awk_nde_t* __parse_concat (xp_awk_t* awk)
 
 	/* TODO: write a better code to do this.... 
 	 *       first of all, is the following check sufficient??? */
-	while (awk->token.type > TOKEN_QUEST)
+	while (MATCH(awk,TOKEN_LPAREN) || awk->token.type >= TOKEN_GETLINE)
 	{
 		right = __parse_additive (awk);
 		if (right == XP_NULL) 
diff --git a/ase/awk/run.c b/ase/awk/run.c
index 61093f95..8de281f9 100644
--- a/ase/awk/run.c
+++ b/ase/awk/run.c
@@ -1,5 +1,5 @@
 /*
- * $Id: run.c,v 1.115 2006-06-29 15:40:30 bacon Exp $
+ * $Id: run.c,v 1.116 2006-06-30 03:53:16 bacon Exp $
  */
 
 #include <xp/awk/awk_i.h>
@@ -13,6 +13,8 @@
 #include <xp/bas/memory.h>
 #endif
 
+#define DEF_BUF_CAPA 256
+
 #define STACK_INCREMENT 512
 
 #define STACK_AT(run,n) ((run)->stack[(run)->stack_base+(n)])
@@ -250,14 +252,14 @@ static int __open_run (
 
 	run->input.buf_pos = 0;
 	run->input.buf_len = 0;
-	if (xp_str_open (&run->input.line, 256) == XP_NULL)
+	if (xp_str_open (&run->input.line, DEF_BUF_CAPA) == XP_NULL)
 	{
 		run->errnum = XP_AWK_ENOMEM; 
 		return -1;
 	}
 
 	if (xp_awk_map_open (&run->named, 
-		run, 256, __free_namedval) == XP_NULL) 
+		run, DEF_BUF_CAPA, __free_namedval) == XP_NULL) 
 	{
 		xp_str_close (&run->input.line);
 		run->errnum = XP_AWK_ENOMEM; 
@@ -2342,9 +2344,49 @@ static xp_awk_val_t* __eval_binop_exp (
 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;
+	xp_str_t lv, rv;
+	xp_awk_val_t* res;
+	int errnum;
+
+	if (xp_str_open (&lv, DEF_BUF_CAPA) == XP_NULL) 
+	{
+		PANIC (run, XP_AWK_ENOMEM);
+	}
+
+	if (xp_str_open (&rv, DEF_BUF_CAPA) == XP_NULL)
+	{
+		xp_str_close (&lv);
+		PANIC (run, XP_AWK_ENOMEM);
+	}
+
+	if (xp_awk_valtostr (left, &errnum, &lv) == XP_NULL)
+	{
+		xp_str_close (&lv);
+		xp_str_close (&rv);
+		PANIC (run, errnum);
+	}
+
+	if (xp_awk_valtostr (right, &errnum, &rv) == XP_NULL)
+	{
+		xp_str_close (&lv);
+		xp_str_close (&rv);
+		PANIC (run, errnum);
+	}
+
+	res = xp_awk_makestrval2 (
+		XP_STR_BUF(&lv), XP_STR_LEN(&lv),
+		XP_STR_BUF(&rv), XP_STR_LEN(&rv));
+	if (res == XP_NULL)
+	{
+		xp_str_close (&lv);
+		xp_str_close (&rv);
+		PANIC (run, XP_AWK_ENOMEM);
+	}
+
+	xp_str_close (&lv);
+	xp_str_close (&rv);
+
+	return res;
 }
 
 static xp_awk_val_t* __eval_binop_ma (
@@ -3108,7 +3150,7 @@ static xp_awk_val_t* __eval_getline (xp_awk_run_t* run, xp_awk_nde_t* nde)
 	dst = (in == XP_NULL)? XP_T(""): in;
 
 	/* TODO: optimization in line buffer management */
-	if (xp_str_open (&buf, 256) == XP_NULL)
+	if (xp_str_open (&buf, DEF_BUF_CAPA) == XP_NULL)
 	{
 		if (in != XP_NULL) xp_free (in);
 		PANIC (run, XP_AWK_ENOMEM);
@@ -3306,7 +3348,7 @@ static xp_char_t* __idxnde_to_str (xp_awk_run_t* run, xp_awk_nde_t* nde)
 		/* multidimensional index */
 		xp_str_t idxstr;
 
-		if (xp_str_open (&idxstr, 256) == XP_NULL) 
+		if (xp_str_open (&idxstr, DEF_BUF_CAPA) == XP_NULL) 
 		{
 			PANIC (run, XP_AWK_ENOMEM);
 		}
diff --git a/ase/test/awk/t12.awk b/ase/test/awk/t12.awk
index 8811ee27..e3ff76f5 100644
--- a/ase/test/awk/t12.awk
+++ b/ase/test/awk/t12.awk
@@ -29,5 +29,6 @@ BEGIN
 	getline x < "abc";
 	print x > "abc";
 
+	print 1 2 getline j j;
 	print "abc" 1 + 2 3 + 49 2 / 3;
 }