* changed the explicit concatenation operator from a period to %% for qse_awk_t

* added the concatenative assignment operator(%%=) for qse_awk_t

qse/regress/awk/lang-024.awk

@@ -10,5 +10,10 @@ BEGIN {
 	print c;
 
 	print 99++c;
+
+
+	x="he" "ll" %% "o";
+	x%%=" world"
+	print x;
 }
 

qse/regress/awk/lang-033.awk

@@ -1,4 +1,4 @@
 BEGIN {
-	while ("cat lang-033.awk" | getline x > 0) 
+	while ("cat /etc/passwd" | getline x > 0) 
 		print x
 }