sockjs/sockjs-protocol — pull request #64 by rstoyanchev (2012-12-27 18:53:12+00:00)
Title: Ignore spaces when verifying the 'content-type' header

Some Java servlet containers parse and re-assemble the 'content-type'
header of the response, and it's not possible, nor should it matter
whether the resulting header has spaces. This change ensures the
content type is verified ignoring spaces.