formatted nav patterns 2 to 4

content/NAVPatterns/3-cal-coding-guidelines/readability/unnecessary-truefalse/index.md

@@ -3,24 +3,30 @@ title = "Unnecessary TRUE/FALSE"
 weight = 1300
 +++
 Do not use TRUE or FALSE keywords unnecessarily if the expression is already an logical expression.
+
 Bad code
 
-    IF IsPositive() = TRUE THEN  
-      
+```al
+IF IsPositive() = TRUE THEN  
+```      
     
 
 Good code
 
-    IF IsPositive THEN  
-      
-    
+```al
+IF IsPositive THEN  
+```      
+
 
 Bad code
 
-    IF Complete <\> TRUE THEN  
-      
+```
+IF Complete <> TRUE THEN  
+```      
     
 
 Good code
 
-    IF NOT Complete THEN
+```al
+IF NOT Complete THEN
+```