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Answers and rating deltas for

What is the purpose of having both NSMutableString and NSString?

Author Votes Δ
Bryan McLemore 4 +2.75
Daniel Yankowsky 4 +2.94
Dave DeLong 0 -0.44
Kai Huppmann 0 -2.17
Last visited: Sep 14, 2014, 5:07:29 AM