diff --git a/bundles/org.eclipse.compare/.classpath b/bundles/org.eclipse.compare/.classpath
index d8656f7..d33c959 100644
--- a/bundles/org.eclipse.compare/.classpath
+++ b/bundles/org.eclipse.compare/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="compare/"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.launching.macosx.MacOSXType/J2SE-1.4"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/bundles/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs b/bundles/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
index 7d97357..465f62c 100644
--- a/bundles/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
+++ b/bundles/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
@@ -1,70 +1,69 @@
-#Tue Nov 30 15:51:47 CET 2004
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef=enabled
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=disabled
-org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=warning
-org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
-org.eclipse.jdt.core.compiler.problem.unsafeTypeOperation=warning
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
-org.eclipse.jdt.core.compiler.problem.unusedImport=error
-org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
-org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+#Tue May 09 21:36:36 CEST 2006
+eclipse.preferences.version=1
+org.eclipse.jdt.core.builder.cleanOutputFolder=clean
+org.eclipse.jdt.core.builder.duplicateResourceTask=warning
 org.eclipse.jdt.core.builder.invalidClasspath=abort
 org.eclipse.jdt.core.builder.resourceCopyExclusionFilter=*.launch
-org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
-org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.problem.deprecation=warning
-org.eclipse.jdt.core.compiler.source=1.3
-org.eclipse.jdt.core.compiler.problem.finalParameterBound=ignore
-org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocTags=warning
-org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
-org.eclipse.jdt.core.compiler.compliance=1.4
-org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTags=enabled
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=warning
-org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
-org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=error
-org.eclipse.jdt.core.builder.cleanOutputFolder=clean
-org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=error
-org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
-org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=error
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef=enabled
-org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
-org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=warning
-org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.2
-org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=error
-org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
-org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=public
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility=private
-org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
-org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=error
-org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
-org.eclipse.jdt.core.incompatibleJDKLevel=ignore
-eclipse.preferences.version=1
 org.eclipse.jdt.core.circularClasspath=error
-org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=enabled
-org.eclipse.jdt.core.compiler.maxProblemPerUnit=100
-org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility=private
+org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
 org.eclipse.jdt.core.classpath.multipleOutputLocations=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
-org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=disabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.2
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.4
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.doc.comment.support=enabled
-org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
-org.eclipse.jdt.core.incompleteClasspath=error
+org.eclipse.jdt.core.compiler.maxProblemPerUnit=100
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=warning
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=ignore
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=error
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=error
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=warning
 org.eclipse.jdt.core.compiler.problem.invalidJavadoc=warning
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTags=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=error
+org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=public
+org.eclipse.jdt.core.compiler.problem.missingJavadocTags=warning
 org.eclipse.jdt.core.compiler.problem.missingJavadocTagsOverriding=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
 org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=warning
-org.eclipse.jdt.core.builder.duplicateResourceTask=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=error
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=error
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.unusedImport=error
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
 org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.3
+org.eclipse.jdt.core.incompatibleJDKLevel=ignore
+org.eclipse.jdt.core.incompleteClasspath=error
diff --git a/bundles/org.eclipse.compare/META-INF/MANIFEST.MF b/bundles/org.eclipse.compare/META-INF/MANIFEST.MF
index 92f6766..18ca64d 100644
--- a/bundles/org.eclipse.compare/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.compare/META-INF/MANIFEST.MF
@@ -24,3 +24,4 @@
 Eclipse-LazyStart: true
 Import-Package: com.ibm.icu.util,
  com.ibm.icu.text
+Bundle-RequiredExecutionEnvironment: J2SE-1.4
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.classpath b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.classpath
index d8656f7..d33c959 100644
--- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.classpath
+++ b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="compare/"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.launching.macosx.MacOSXType/J2SE-1.4"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
index 7d97357..465f62c 100644
--- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
+++ b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/.settings/org.eclipse.jdt.core.prefs
@@ -1,70 +1,69 @@
-#Tue Nov 30 15:51:47 CET 2004
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef=enabled
-org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=disabled
-org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
-org.eclipse.jdt.core.compiler.debug.lineNumber=generate
-org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=warning
-org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
-org.eclipse.jdt.core.compiler.problem.unsafeTypeOperation=warning
-org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
-org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
-org.eclipse.jdt.core.compiler.problem.unusedImport=error
-org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
-org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+#Tue May 09 21:36:36 CEST 2006
+eclipse.preferences.version=1
+org.eclipse.jdt.core.builder.cleanOutputFolder=clean
+org.eclipse.jdt.core.builder.duplicateResourceTask=warning
 org.eclipse.jdt.core.builder.invalidClasspath=abort
 org.eclipse.jdt.core.builder.resourceCopyExclusionFilter=*.launch
-org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
-org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
-org.eclipse.jdt.core.compiler.debug.localVariable=generate
-org.eclipse.jdt.core.compiler.problem.deprecation=warning
-org.eclipse.jdt.core.compiler.source=1.3
-org.eclipse.jdt.core.compiler.problem.finalParameterBound=ignore
-org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocTags=warning
-org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning
-org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
-org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
-org.eclipse.jdt.core.compiler.compliance=1.4
-org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTags=enabled
-org.eclipse.jdt.core.compiler.problem.enumIdentifier=warning
-org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
-org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=error
-org.eclipse.jdt.core.builder.cleanOutputFolder=clean
-org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=error
-org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
-org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=error
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef=enabled
-org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
-org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
-org.eclipse.jdt.core.compiler.problem.assertIdentifier=warning
-org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
-org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.2
-org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=error
-org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
-org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=public
-org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility=private
-org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
-org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=error
-org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
-org.eclipse.jdt.core.incompatibleJDKLevel=ignore
-eclipse.preferences.version=1
 org.eclipse.jdt.core.circularClasspath=error
-org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=enabled
-org.eclipse.jdt.core.compiler.maxProblemPerUnit=100
-org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
-org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility=private
+org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
 org.eclipse.jdt.core.classpath.multipleOutputLocations=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
-org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=disabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.2
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.4
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
 org.eclipse.jdt.core.compiler.debug.sourceFile=generate
 org.eclipse.jdt.core.compiler.doc.comment.support=enabled
-org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
-org.eclipse.jdt.core.incompleteClasspath=error
+org.eclipse.jdt.core.compiler.maxProblemPerUnit=100
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=warning
+org.eclipse.jdt.core.compiler.problem.deprecation=warning
+org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode=disabled
+org.eclipse.jdt.core.compiler.problem.deprecationWhenOverridingDeprecatedMethod=disabled
+org.eclipse.jdt.core.compiler.problem.emptyStatement=warning
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=warning
+org.eclipse.jdt.core.compiler.problem.fieldHiding=warning
+org.eclipse.jdt.core.compiler.problem.finalParameterBound=ignore
+org.eclipse.jdt.core.compiler.problem.finallyBlockNotCompletingNormally=warning
+org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
+org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock=error
+org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod=error
+org.eclipse.jdt.core.compiler.problem.indirectStaticAccess=warning
 org.eclipse.jdt.core.compiler.problem.invalidJavadoc=warning
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTags=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsDeprecatedRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsNotVisibleRef=enabled
+org.eclipse.jdt.core.compiler.problem.invalidJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.localVariableHiding=warning
+org.eclipse.jdt.core.compiler.problem.methodWithConstructorName=error
+org.eclipse.jdt.core.compiler.problem.missingJavadocComments=ignore
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocCommentsVisibility=public
+org.eclipse.jdt.core.compiler.problem.missingJavadocTags=warning
 org.eclipse.jdt.core.compiler.problem.missingJavadocTagsOverriding=enabled
-org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.missingJavadocTagsVisibility=private
+org.eclipse.jdt.core.compiler.problem.missingSerialVersion=warning
+org.eclipse.jdt.core.compiler.problem.noEffectAssignment=error
+org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion=error
 org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral=warning
-org.eclipse.jdt.core.builder.duplicateResourceTask=warning
+org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod=error
+org.eclipse.jdt.core.compiler.problem.possibleAccidentalBooleanAssignment=error
+org.eclipse.jdt.core.compiler.problem.specialParameterHidingField=disabled
+org.eclipse.jdt.core.compiler.problem.staticAccessReceiver=error
+org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation=ignore
+org.eclipse.jdt.core.compiler.problem.undocumentedEmptyBlock=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryElse=warning
+org.eclipse.jdt.core.compiler.problem.unnecessaryTypeCheck=error
+org.eclipse.jdt.core.compiler.problem.unqualifiedFieldAccess=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownException=ignore
+org.eclipse.jdt.core.compiler.problem.unusedDeclaredThrownExceptionWhenOverriding=enabled
+org.eclipse.jdt.core.compiler.problem.unusedImport=error
+org.eclipse.jdt.core.compiler.problem.unusedLocal=warning
+org.eclipse.jdt.core.compiler.problem.unusedParameter=ignore
+org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract=disabled
 org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete=disabled
+org.eclipse.jdt.core.compiler.problem.unusedPrivateMember=warning
+org.eclipse.jdt.core.compiler.problem.varargsArgumentNeedCast=warning
+org.eclipse.jdt.core.compiler.source=1.3
+org.eclipse.jdt.core.incompatibleJDKLevel=ignore
+org.eclipse.jdt.core.incompleteClasspath=error
diff --git a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/META-INF/MANIFEST.MF b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/META-INF/MANIFEST.MF
index 92f6766..18ca64d 100644
--- a/bundles/org.eclipse.compare/plugins/org.eclipse.compare/META-INF/MANIFEST.MF
+++ b/bundles/org.eclipse.compare/plugins/org.eclipse.compare/META-INF/MANIFEST.MF
@@ -24,3 +24,4 @@
 Eclipse-LazyStart: true
 Import-Package: com.ibm.icu.util,
  com.ibm.icu.text
+Bundle-RequiredExecutionEnvironment: J2SE-1.4