Changed formatting a bit.

Made it compile with SE 1.2r7

json/json_number.e

@@ -24,17 +24,17 @@ create
 
 feature -- initialization
 
-	make_integer (argument: INTEGER) is
+	make_integer (an_argument: INTEGER) is
 			-- Initialize  an instance of JSON_NUMBER as INTEGER
 		do
-			item:= argument.out
+			item := an_argument.out
 			numeric_type := INTEGER_TYPE
 		end
 
-	make_real (argument: REAL) is
+	make_real (an_argument: REAL) is
 			-- Initialize an instance of JSON_NUMBER as REAL
 		do
-			item:= argument.out
+			item := an_argument.out
 			numeric_type := REAL_TYPE
 		end