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"haskell-json" versions published in Ubuntu

Xenial (0.9.1-3build1): universe/haskell
Wily (0.9.1-1build1): universe/haskell
Vivid (0.5-4build1): universe/haskell
Trusty (0.5-4build1): universe/haskell
Precise (0.5-1): universe/haskell