From ac52505faace1b2386e2555049806d2867586d06 Mon Sep 17 00:00:00 2001
From: Stephen Best <bestie@gmail.com>
Date: Tue, 13 Aug 2013 08:18:52 +0100
Subject: [PATCH] Restore public API

---
 lib/rack/showexceptions.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/rack/showexceptions.rb b/lib/rack/showexceptions.rb
index 0e8a59522..d81273801 100644
--- a/lib/rack/showexceptions.rb
+++ b/lib/rack/showexceptions.rb
@@ -45,11 +45,14 @@ def call(env)
       ]
     end
 
-    private
+    def prefers_plaintext?(env)
+      !accepts_html(env)
+    end
 
     def accepts_html?(env)
       env["HTTP_ACCEPT"] && env["HTTP_ACCEPT"].include?("text/html")
     end
+    private :accepts_html?
 
     def dump_exception(exception)
       string = "#{exception.class}: #{exception.message}\n"