rejectedsoftware/vibe.d — pull request #197 by HowToMeetLadies (2013-03-17 18:12:57+00:00)
Title: Content-Type should specify charset for JSON responses

UTF-8 is indeed the default, but this prevents encoding issues in Webkit browsers.

"JSON text SHALL be encoded in Unicode. The default encoding is UTF-8."
http://www.ietf.org/rfc/rfc4627.txt