Backport fix to allow leading . in cookies from cgi 0.3.6. Index: lib/cgi/cookie.rb --- lib/cgi/cookie.rb.orig +++ lib/cgi/cookie.rb @@ -42,7 +42,7 @@ class CGI TOKEN_RE = %r"\A[[!-~]&&[^()<>@,;:\\\"/?=\[\]{}]]+\z" PATH_VALUE_RE = %r"\A[[ -~]&&[^;]]*\z" - DOMAIN_VALUE_RE = %r"\A(?