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					Originally Posted by  PeterT
					 
				 
				Maybe you could save some time by having more than one testing book; make several, ensure they are totally distinct internally, and move them all over at the same time; test 5 or 10 versions, each subtly different in the SVG code, and then, based on what you see, change and repeat? 
			
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 Or one book with many test chapters...
 
I usually get efficient with things just before I find the solution and don't have to go through it anymore.