HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: blah

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip X

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip , foo 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; foo 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q foo 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = foo 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = 0 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = 0 , foo

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = 0 foo 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = 0 . x 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: gzip ; q = 0 . 6666 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: ,,identity ; q = 2 . 001 ,,

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: ,,gzip;q=0, identity ; q = 0 ,,*

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: * ; q = 1 . 010 

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: ,,* ; q = 0 . 001 ,,

HEAD http://default/ HTTP/1.1
HOST:
Accept-Encoding: ,,blah;q=1,,
Connection: close

