heroku/heroku — pull request #346 by clacke (2012-06-01 10:32:35+00:00)
Title: Heroku::Client::Rendezvous#fixup: do not break on String#force_encoding

String#force_encoding only exists and is only necessary in rubies (e.g. 1.9) where string[x] returns a code point rather than a character.