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Added an application:get_env/3 function variant that provides a default value for a configuration parameter: application:get_env(App, Key, Default) -> Value. git fetch git://github.com/saleyn/otp.git get_env https://github.com/saleyn/otp/compare/erlang:master...get_env https://github.com/saleyn/otp/compare/erlang:master...get_env.patch