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Message: [QUOTE="Fabian Streitel, post: 4643071"] [Note: parts of this message were removed to make it a legal post.] That's exactly why the Java guys have the worst API ever conceived (at least as far as I know). If everyone's always whining about "No you can't take that feature out" or "No don't change that behaviour" because it'll break some legacy code then real progress is never gonna happen. Like anything in IT, programming languages and their libraries have to evolve or they'll just become a big heap of unusable deprecations. And what comes with this is the responsibility of the programmer to keep his code up-to-date. Or to keep the Ruby version the same for all eternity. Whichever one prefers... Also, I had the experience that the 2 or 3 features of 1.8.7 you use, which are not present in 1.8.6 are fairly easily emulated, e.g. Array#group_by and fellows. (Just my two cents ;-) Greetz, k [/QUOTE]