apache/httpcore — pull request #2 by pbkwee (2014-08-13 05:52:02+00:00)
Title: Make EntityUtils.toString more lenient towards invalid character sets.

e.g. one website is returning "Content-Type	text/html; charset=EN-AU"

That charset is invalid (and should be fixed) however this change permits EntityUtils#toString to work around that if a defaultCharset is passed in.