From 33696dc3e4f8cba7397f64f77cee94dfb3abedb0 Mon Sep 17 00:00:00 2001
From: James Tucker <jftucker@gmail.com>
Date: Tue, 23 Dec 2014 15:21:33 -0400
Subject: Fix lint header regex

---
 lib/rack/lint.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/rack/lint.rb b/lib/rack/lint.rb
index bb843ad6..df4a5832 100644
--- a/lib/rack/lint.rb
+++ b/lib/rack/lint.rb
@@ -639,7 +639,7 @@ module Rack
         assert("header must not contain Status") { key.downcase != "status" }
         ## The header must conform to RFC7230 token specification, i.e. cannot
         ## contain non-printable ASCII, DQUOTE or "(),/:;<=>?@[\]{}".
-        assert("invalid header name: #{key}") { key !~ /[\(\),\/:;<=>\?@\[\\\]{}[[:cntrl:]]]/ }
+        assert("invalid header name: #{key}") { key !~ /[\(\),\/:;<=>\?@\[\\\]{}[:cntrl:]]/ }
 
         ## The values of the header must be Strings,
         assert("a header value must be a String, but the value of " +
-- 
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