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			Hello again, 
 
Sorry to come back, but I didn't click on the link before answering that it was "what I was looking for". 
Actually, it's not, as it is a user explanation on how it works. 
 
What I am looking for it how is it programmatically constructed. What files, fields are involved, etc.. 
 
Is there such an explanation somewhere? 
 
Thank you for your help. 
Emphyrio
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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