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         DDJ 2.6
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+ Implements the Loop Expansion technique. 
+ Implements an optimized (clever) version of Tree compresion. 
+ Augments the precision when highlighting the source code associated with a node. 
+ Allows the user to rename the methods associated with nodes in the ET (this is particularly useful when combined with Loop Expansion).
+ When selecting a Java file, it only displays those that really contain a method "main".