From b7b0db9f196245bd9c2141bc804af955dc831f91 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Mon, 10 Sep 2018 21:19:01 +0900
Subject: [PATCH] [Modify] Add it

---
 websocket-sharp/Net/HttpUtility.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/websocket-sharp/Net/HttpUtility.cs b/websocket-sharp/Net/HttpUtility.cs
index 3a0e3ec1..073241a0 100644
--- a/websocket-sharp/Net/HttpUtility.cs
+++ b/websocket-sharp/Net/HttpUtility.cs
@@ -393,6 +393,11 @@ namespace WebSocketSharp.Net
       _entities.Add ("euro", '\u20AC');
     }
 
+    private static bool isNumeric (char c)
+    {
+      return c >= '0' && c <= '9';
+    }
+
     private static bool notEncoded (char c)
     {
       return c == '!' ||