mozilla-services/cornice — pull request #167 by ametaireau (2013-07-12 08:55:21+00:00)
Title: Fix CORS support for the request headers.

Access-Control-Request-Headers fields can contain any number of spaces, this wasn't done properly until now.

The specification of field-names say (http://tools.ietf.org/html/rfc2616#section-4.2)

message-header = field-name ":" [ field-value ]
field-name = token
field-value = *( field-content | LWS )
field-content =