From e50f875199e223ed4cb141f6b335193a700cf103 Mon Sep 17 00:00:00 2001
From: Gary Tierney <gary.tierney@gmx.com>
Date: Thu, 3 Mar 2016 00:28:23 +0000
Subject: [PATCH] Allow x,y,z and ex,e as identifiers

---
 checkstyle.xml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/checkstyle.xml b/checkstyle.xml
index f1dcf3d4..621d2a86 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -94,13 +94,13 @@
                      value="Member name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="ParameterName">
-            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <property name="format" value="^([a-z][a-z0-9][a-zA-Z0-9]*)|(x|y|z)|(ex|e)$"/>
             <message key="name.invalidPattern"
                      value="Parameter name ''{0}'' must match pattern ''{1}''."/>
         </module>
         <module name="LocalVariableName">
             <property name="tokens" value="VARIABLE_DEF"/>
-            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <property name="format" value="^([a-z][a-z0-9][a-zA-Z0-9]*)|(x|y|z)|(ex|e)$"/>
             <property name="allowOneCharVarInForLoop" value="true"/>
             <message key="name.invalidPattern"
                      value="Local variable name ''{0}'' must match pattern ''{1}''."/>