HTTP 1: do not include server header for "" #619
HTTP 1: do not include server header for "" #619

creichert/wai,creichert/wai,sordina/wai,kazu-yamamoto/wai,yesodweb/wai,sordina/wai,sordina/wai,kazu-yamamoto/wai,sordina/wai,yesodweb/wai