From 9f742aa41578e44604abe00499acb1f29fc25e39 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 13 Sep 2018 20:30:04 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Net/HttpUtility.cs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/websocket-sharp/Net/HttpUtility.cs b/websocket-sharp/Net/HttpUtility.cs
index 15ff8e96..baa046d1 100644
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@@ -393,6 +393,12 @@ namespace WebSocketSharp.Net
       _entities.Add ("euro", '\u20AC');
     }
 
+    private static bool isAlphabet (byte b)
+    {
+      return (b >= 65 && b <= 90)
+             || (b >= 97 && b <= 122);
+    }
+
     private static bool isAlphabet (char c)
     {
       return (c >= 'A' && c <= 'Z')