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			5 lines
		
	
	
		
			255 B
		
	
	
	
		
			YAML
		
	
	
	
	
	
			
		
		
	
	
			5 lines
		
	
	
		
			255 B
		
	
	
	
		
			YAML
		
	
	
	
	
	
| package_result:
 | |
|   - The value of A*B is ${A * B}, where A is a package var and B is a substitution in the root file
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|   - Double substitution also works; the value of var7 is ${var$A}, where A is a package var
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|   - key${var7}: Key should substitute to key79
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