diff --git a/examples/src/build/conf/checkstyle.xml b/examples/src/build/conf/checkstyle.xml
index c4f2ce0..c04e096 100644
--- a/examples/src/build/conf/checkstyle.xml
+++ b/examples/src/build/conf/checkstyle.xml
@@ -148,11 +148,11 @@
 
         <!-- Checks for class design                         -->
         <!-- See http://checkstyle.sf.net/config_design.html -->
-        <module name="DesignForExtension"/>
+        <!-- For P2d 2.0: <module name="DesignForExtension"/> -->
         <module name="FinalClass"/>
         <module name="HideUtilityClassConstructor"/>
         <module name="InterfaceIsType"/>
-        <module name="VisibilityModifier"/>
+        <!-- For P2d 2.0: <module name="VisibilityModifier"/> -->
 
 
         <!-- Miscellaneous other checks.                   -->
diff --git a/extras/src/build/conf/checkstyle.xml b/extras/src/build/conf/checkstyle.xml
index c4f2ce0..c04e096 100644
--- a/extras/src/build/conf/checkstyle.xml
+++ b/extras/src/build/conf/checkstyle.xml
@@ -148,11 +148,11 @@
 
         <!-- Checks for class design                         -->
         <!-- See http://checkstyle.sf.net/config_design.html -->
-        <module name="DesignForExtension"/>
+        <!-- For P2d 2.0: <module name="DesignForExtension"/> -->
         <module name="FinalClass"/>
         <module name="HideUtilityClassConstructor"/>
         <module name="InterfaceIsType"/>
-        <module name="VisibilityModifier"/>
+        <!-- For P2d 2.0: <module name="VisibilityModifier"/> -->
 
 
         <!-- Miscellaneous other checks.                   -->
diff --git a/swt/src/build/conf/checkstyle.xml b/swt/src/build/conf/checkstyle.xml
index c4f2ce0..4851327 100644
--- a/swt/src/build/conf/checkstyle.xml
+++ b/swt/src/build/conf/checkstyle.xml
@@ -1,167 +1,167 @@
-<?xml version="1.0"?>
-<!DOCTYPE module PUBLIC
-    "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
-    "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
-
-<!--
-
-  Checkstyle configuration that checks the sun coding conventions from:
-
-    - the Java Language Specification at
-      http://java.sun.com/docs/books/jls/second_edition/html/index.html
-
-    - the Sun Code Conventions at http://java.sun.com/docs/codeconv/
-
-    - the Javadoc guidelines at
-      http://java.sun.com/j2se/javadoc/writingdoccomments/index.html
-
-    - the JDK Api documentation http://java.sun.com/j2se/docs/api/index.html
-
-    - some best practices
-
-  Checkstyle is very configurable. Be sure to read the documentation at
-  http://checkstyle.sf.net (or in your downloaded distribution).
-
-  Most Checks are configurable, be sure to consult the documentation.
-
-  To completely disable a check, just comment it out or delete it from the file.
-
-  Finally, it is worth reading the documentation.
-
--->
-
-<module name="Checker">
-
-    <!-- Checks that a package.html file exists for each package.     -->
-    <!-- See http://checkstyle.sf.net/config_javadoc.html#PackageHtml -->
-    <module name="PackageHtml"/>
-
-    <!-- Checks that property files contain the same keys.         -->
-    <!-- See http://checkstyle.sf.net/config_misc.html#Translation -->
-    <module name="Translation"/>
-
-
-    <module name="TreeWalker">
-
-        <!-- Checks for Javadoc comments.                     -->
-        <!-- See http://checkstyle.sf.net/config_javadoc.html -->
-        <module name="JavadocMethod"/>
-        <module name="JavadocType"/>
-        <module name="JavadocVariable"/>
-        <module name="JavadocStyle"/>
-
-
-        <!-- Checks for Naming Conventions.                  -->
-        <!-- See http://checkstyle.sf.net/config_naming.html -->
-        <module name="ConstantName"/>
-        <module name="LocalFinalVariableName"/>
-        <module name="LocalVariableName"/>
-        <module name="MemberName"/>
-        <module name="MethodName"/>
-        <module name="PackageName"/>
-        <module name="ParameterName"/>
-        <module name="StaticVariableName"/>
-        <module name="TypeName"/>
-
-
-        <!-- Checks for Headers                                -->
-        <!-- See http://checkstyle.sf.net/config_header.html   -->
-        <!-- <module name="Header">                            -->
-            <!-- The follow property value demonstrates the ability     -->
-            <!-- to have access to ANT properties. In this case it uses -->
-            <!-- the ${basedir} property to allow Checkstyle to be run  -->
-            <!-- from any directory within a project. See property      -->
-            <!-- expansion,                                             -->
-            <!-- http://checkstyle.sf.net/config.html#properties        -->
-            <!-- <property                                              -->
-            <!--     name="headerFile"                                  -->
-            <!--     value="${basedir}/java.header"/>                   -->
-        <!-- </module> -->
-
-        <!-- Following interprets the header file as regular expressions. -->
-        <!-- <module name="RegexpHeader"/>                                -->
-
-
-        <!-- Checks for imports                              -->
-        <!-- See http://checkstyle.sf.net/config_import.html -->
-        <module name="AvoidStarImport"/>
-        <module name="IllegalImport"/> <!-- defaults to sun.* packages -->
-        <module name="RedundantImport"/>
-        <module name="UnusedImports"/>
-
-
-        <!-- Checks for Size Violations.                    -->
-        <!-- See http://checkstyle.sf.net/config_sizes.html -->
-        <module name="FileLength"/>
-        <module name="LineLength">
-            <property name="max" value="120"/>
-        </module>
-        <module name="MethodLength"/>
-        <module name="ParameterNumber"/>
-
-
-        <!-- Checks for whitespace                               -->
-        <!-- See http://checkstyle.sf.net/config_whitespace.html -->
-        <module name="EmptyForIteratorPad"/>
-        <module name="MethodParamPad"/>
-        <module name="NoWhitespaceAfter"/>
-        <module name="NoWhitespaceBefore"/>
-        <module name="OperatorWrap"/>
-        <module name="ParenPad"/>
-        <module name="TypecastParenPad"/>
-        <module name="TabCharacter"/>
-        <module name="WhitespaceAfter"/>
-        <module name="WhitespaceAround"/>
-
-
-        <!-- Modifier Checks                                    -->
-        <!-- See http://checkstyle.sf.net/config_modifiers.html -->
-        <module name="ModifierOrder"/>
-        <module name="RedundantModifier"/>
-
-
-        <!-- Checks for blocks. You know, those {}'s         -->
-        <!-- See http://checkstyle.sf.net/config_blocks.html -->
-        <module name="AvoidNestedBlocks"/>
-        <module name="EmptyBlock"/>
-        <module name="LeftCurly"/>
-        <module name="NeedBraces"/>
-        <module name="RightCurly">
-            <property name="option" value="alone"/>
-        </module>
-
-
-        <!-- Checks for common coding problems               -->
-        <!-- See http://checkstyle.sf.net/config_coding.html -->
-        <module name="AvoidInlineConditionals"/>
-        <module name="DoubleCheckedLocking"/>    <!-- MY FAVOURITE -->
-        <module name="EmptyStatement"/>
-        <module name="EqualsHashCode"/>
-        <module name="HiddenField"/>
-        <module name="IllegalInstantiation"/>
-        <module name="InnerAssignment"/>
-        <module name="MagicNumber"/>
-        <module name="MissingSwitchDefault"/>
-        <module name="RedundantThrows"/>
-        <module name="SimplifyBooleanExpression"/>
-        <module name="SimplifyBooleanReturn"/>
-
-        <!-- Checks for class design                         -->
-        <!-- See http://checkstyle.sf.net/config_design.html -->
-        <module name="DesignForExtension"/>
-        <module name="FinalClass"/>
-        <module name="HideUtilityClassConstructor"/>
-        <module name="InterfaceIsType"/>
-        <module name="VisibilityModifier"/>
-
-
-        <!-- Miscellaneous other checks.                   -->
-        <!-- See http://checkstyle.sf.net/config_misc.html -->
-        <module name="ArrayTypeStyle"/>
-        <module name="FinalParameters"/>
-        <module name="TodoComment"/>
-        <module name="UpperEll"/>
-
-    </module>
-
-</module>
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+    "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+    "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+
+<!--
+
+  Checkstyle configuration that checks the sun coding conventions from:
+
+    - the Java Language Specification at
+      http://java.sun.com/docs/books/jls/second_edition/html/index.html
+
+    - the Sun Code Conventions at http://java.sun.com/docs/codeconv/
+
+    - the Javadoc guidelines at
+      http://java.sun.com/j2se/javadoc/writingdoccomments/index.html
+
+    - the JDK Api documentation http://java.sun.com/j2se/docs/api/index.html
+
+    - some best practices
+
+  Checkstyle is very configurable. Be sure to read the documentation at
+  http://checkstyle.sf.net (or in your downloaded distribution).
+
+  Most Checks are configurable, be sure to consult the documentation.
+
+  To completely disable a check, just comment it out or delete it from the file.
+
+  Finally, it is worth reading the documentation.
+
+-->
+
+<module name="Checker">
+
+    <!-- Checks that a package.html file exists for each package.     -->
+    <!-- See http://checkstyle.sf.net/config_javadoc.html#PackageHtml -->
+    <module name="PackageHtml"/>
+
+    <!-- Checks that property files contain the same keys.         -->
+    <!-- See http://checkstyle.sf.net/config_misc.html#Translation -->
+    <module name="Translation"/>
+
+
+    <module name="TreeWalker">
+
+        <!-- Checks for Javadoc comments.                     -->
+        <!-- See http://checkstyle.sf.net/config_javadoc.html -->
+        <module name="JavadocMethod"/>
+        <module name="JavadocType"/>
+        <module name="JavadocVariable"/>
+        <module name="JavadocStyle"/>
+
+
+        <!-- Checks for Naming Conventions.                  -->
+        <!-- See http://checkstyle.sf.net/config_naming.html -->
+        <module name="ConstantName"/>
+        <module name="LocalFinalVariableName"/>
+        <module name="LocalVariableName"/>
+        <module name="MemberName"/>
+        <module name="MethodName"/>
+        <module name="PackageName"/>
+        <module name="ParameterName"/>
+        <module name="StaticVariableName"/>
+        <module name="TypeName"/>
+
+
+        <!-- Checks for Headers                                -->
+        <!-- See http://checkstyle.sf.net/config_header.html   -->
+        <!-- <module name="Header">                            -->
+            <!-- The follow property value demonstrates the ability     -->
+            <!-- to have access to ANT properties. In this case it uses -->
+            <!-- the ${basedir} property to allow Checkstyle to be run  -->
+            <!-- from any directory within a project. See property      -->
+            <!-- expansion,                                             -->
+            <!-- http://checkstyle.sf.net/config.html#properties        -->
+            <!-- <property                                              -->
+            <!--     name="headerFile"                                  -->
+            <!--     value="${basedir}/java.header"/>                   -->
+        <!-- </module> -->
+
+        <!-- Following interprets the header file as regular expressions. -->
+        <!-- <module name="RegexpHeader"/>                                -->
+
+
+        <!-- Checks for imports                              -->
+        <!-- See http://checkstyle.sf.net/config_import.html -->
+        <module name="AvoidStarImport"/>
+        <module name="IllegalImport"/> <!-- defaults to sun.* packages -->
+        <module name="RedundantImport"/>
+        <module name="UnusedImports"/>
+
+
+        <!-- Checks for Size Violations.                    -->
+        <!-- See http://checkstyle.sf.net/config_sizes.html -->
+        <module name="FileLength"/>
+        <module name="LineLength">
+            <property name="max" value="120"/>
+        </module>
+        <module name="MethodLength"/>
+        <module name="ParameterNumber"/>
+
+
+        <!-- Checks for whitespace                               -->
+        <!-- See http://checkstyle.sf.net/config_whitespace.html -->
+        <module name="EmptyForIteratorPad"/>
+        <module name="MethodParamPad"/>
+        <module name="NoWhitespaceAfter"/>
+        <module name="NoWhitespaceBefore"/>
+        <module name="OperatorWrap"/>
+        <module name="ParenPad"/>
+        <module name="TypecastParenPad"/>
+        <module name="TabCharacter"/>
+        <module name="WhitespaceAfter"/>
+        <module name="WhitespaceAround"/>
+
+
+        <!-- Modifier Checks                                    -->
+        <!-- See http://checkstyle.sf.net/config_modifiers.html -->
+        <module name="ModifierOrder"/>
+        <module name="RedundantModifier"/>
+
+
+        <!-- Checks for blocks. You know, those {}'s         -->
+        <!-- See http://checkstyle.sf.net/config_blocks.html -->
+        <module name="AvoidNestedBlocks"/>
+        <module name="EmptyBlock"/>
+        <module name="LeftCurly"/>
+        <module name="NeedBraces"/>
+        <module name="RightCurly">
+            <property name="option" value="alone"/>
+        </module>
+
+
+        <!-- Checks for common coding problems               -->
+        <!-- See http://checkstyle.sf.net/config_coding.html -->
+        <module name="AvoidInlineConditionals"/>
+        <module name="DoubleCheckedLocking"/>    <!-- MY FAVOURITE -->
+        <module name="EmptyStatement"/>
+        <module name="EqualsHashCode"/>
+        <module name="HiddenField"/>
+        <module name="IllegalInstantiation"/>
+        <module name="InnerAssignment"/>
+        <module name="MagicNumber"/>
+        <module name="MissingSwitchDefault"/>
+        <module name="RedundantThrows"/>
+        <module name="SimplifyBooleanExpression"/>
+        <module name="SimplifyBooleanReturn"/>
+
+        <!-- Checks for class design                         -->
+        <!-- See http://checkstyle.sf.net/config_design.html -->
+        <!-- For P2d 2.0: <module name="DesignForExtension"/> -->
+        <module name="FinalClass"/>
+        <module name="HideUtilityClassConstructor"/>
+        <module name="InterfaceIsType"/>
+        <!-- For P2d 2.0: <module name="VisibilityModifier"/> -->
+
+
+        <!-- Miscellaneous other checks.                   -->
+        <!-- See http://checkstyle.sf.net/config_misc.html -->
+        <module name="ArrayTypeStyle"/>
+        <module name="FinalParameters"/>
+        <module name="TodoComment"/>
+        <module name="UpperEll"/>
+
+    </module>
+
+</module>