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It is very important to report the WTF to the developer who produced the code. Subversions “annotate” or “blame” function provides a means to blame someone for the existence of a specific piece of code. The best way to report this back is through an informative and educational discussion, where everyone could be involved. The factoring should preferably be done by the developer responsible for the code, perhaps with the assistance of the developer who reviewed it. As a result, quality awareness will have improved within the development team.