formatted nav patterns 2 to 4

content/NAVPatterns/3-cal-coding-guidelines/readability/spacing-unary-operators/index.md

@@ -3,24 +3,30 @@ title = "Spacing Unary Operators"
 weight = 1140
 +++
 There must be no space between a unary operator and its argument (except for the NOT keyword).
+
 Bad code
 
-    IF NOT(Type = Type::Item) THEN  
-      
+```al
+IF NOT(Type = Type::Item) THEN  
+```      
     
 
 Good code
 
-    IF NOT (Type = Type::Item) THEN  
-      
+```al
+IF NOT (Type = Type::Item) THEN  
+``` 
     
 
 Bad code
 
-    DiscAmt := - "Discount Amount";  
-      
+```al
+DiscAmt := - "Discount Amount";  
+``` 
     
 
 Good code
 
-    DiscAmt := -"Discount Amount";
+```al
+DiscAmt := -"Discount Amount";
+```