To change the fonts and colors in which the program is displayed: 
	 
 
	  
		- Click 
		  Tools > 
		  Options. 
		
- In the 
		  Options window, expand 
		  Environment and then select 
		  Fonts and Colors. 
		
- The PL/I color items are the following: 
		  
			 - PL/I Comment
			 
- PL/I Other Keyword
			 
- PL/I Preprocessor Keyword
			 
- PL/I Reserved Keyword
			 
- PL/I Special Character
			 
- PL/I String
			 
 Select them in the 
			 Display items list and click 
			 OK to save your settings.