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What is the policy of dealing with answers that would become wrong after time? As an example, if I asked the question Does java support the Elvis operator ?: the correct answer today is no. The correct answer when Java7 becomes widely available will be yes.

What would be done in that case?

  • Re-tag old java questions with java5 or java6?
  • Keep them and hope people correct the answers?
  • Something else?
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Edit the answer to say "As of version x, it is now supported. Previous to that, it was not." That's exactly why SO is wiki-like.

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The only difficulty is in keeping the answers up to date. – TheTXI Sep 14 '09 at 19:29
@TXI I'm pretty sure for most topics (at least the most popular ones) we've got more than a few people who spend their Saturday nights making sure their pet topic is clean and up-to-date :) – Rex M Sep 14 '09 at 20:00
@Rex M: Don't you dare judge me. – devinb Sep 14 '09 at 20:13

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