From 89a3f296d2823c3b5eb1de8513e41695481c82d2 Mon Sep 17 00:00:00 2001
From: Trustin Lee <trustin@gmail.com>
Date: Mon, 12 Nov 2012 13:37:35 +0900
Subject: [PATCH] Allow '_' in parameter names although discouraged

---
 src/main/resources/io/netty/checkstyle.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/resources/io/netty/checkstyle.xml b/src/main/resources/io/netty/checkstyle.xml
index 7021d90..0033b2d 100644
--- a/src/main/resources/io/netty/checkstyle.xml
+++ b/src/main/resources/io/netty/checkstyle.xml
@@ -116,7 +116,7 @@
     <module name="ParenPad"/>
     <module name="TypecastParenPad"/>
     <module name="ParameterName">
-      <property name="format" value="^(?!arg[0-9])[a-z][a-zA-Z0-9]*$" />
+      <property name="format" value="^(?!arg[0-9])[_a-z][_a-zA-Z0-9]*$" />
     </module>
   </module>
 </module>