This issue was solved with changeset r39244.
Eric, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.
* lib/net/http: Do not handle Content-Encoding when the user sets
Accept-Encoding. This allows users to handle Content-Encoding for
themselves. This restores backwards-compatibility with Ruby 1.x.
* lib/net/http/generic_request.rb: ditto.
* lib/net/http/response.rb: ditto
* test/net/http/test_http.rb: Test for the above.
* test/net/http/test_http_request.rb: ditto.
* test/net/http/test_httpresponse.rb: ditto.
[ruby-trunk - Bug #7831]
* lib/net/http.rb: Removed OpenSSL dependency from Net::HTTP.
* test/net/http/test_http.rb: Remove Zlib dependency from tests.
* test/net/http/test_http_request.rb: ditto.