diff --git a/plugins/io.sarl.eclipse/OSGI-INF/l10n/bundle.properties b/plugins/io.sarl.eclipse/OSGI-INF/l10n/bundle.properties
index 56ca66fb9f..dfb933101c 100644
--- a/plugins/io.sarl.eclipse/OSGI-INF/l10n/bundle.properties
+++ b/plugins/io.sarl.eclipse/OSGI-INF/l10n/bundle.properties
@@ -12,10 +12,13 @@ wizard.name.0 = SARL File
 content-type.name = SARL File
 propertyPage.runtimeEnvironment = Runtime Environment
 preference.installedSREs = Installed SREs
+preference.errorWarning = Errors/Warnings
 launch.sarlApplication = SARL Application
 launch.sarlLauncher = SARL Standard Launcher
 launch.sarlLauncherDescription = The SARL application launcher supports running and debugging SARL applications on compatible platform.
-keyword.sre = SRE
+keyword.sarl = SARL
+keyword.sarl.sre = SRE
+keyword.sarl.runtime = Runtime
 classpathContainerPage.name = SARL Libraries
 sreInstallations = SRE Installation
 sreInstallPages = SRE Installation Page
diff --git a/plugins/io.sarl.eclipse/plugin.xml b/plugins/io.sarl.eclipse/plugin.xml
index e0aa9d43f0..9f03a3be0f 100644
--- a/plugins/io.sarl.eclipse/plugin.xml
+++ b/plugins/io.sarl.eclipse/plugin.xml
@@ -110,6 +110,18 @@
           class="io.sarl.eclipse.preferences.SREsPreferencePage"
           id="io.sarl.eclipse.preferences.SREsPreferencePage"
           name="%preference.installedSREs">
+        <keywordReference id="io.sarl.eclipse.keyword_SARL"/>
+        <keywordReference id="io.sarl.eclipse.keyword_SRE"/>
+        <keywordReference id="io.sarl.eclipse.keyword_RUNTIME"/>
+        <keywordReference id="org.eclipse.jdt.ui.buildpath"/>
+    </page>
+    <page category="io.sarl.lang.SARL"
+          class="io.sarl.lang.ui.SARLExecutableExtensionFactory:org.eclipse.xtext.ui.validation.ValidatorPreferencePage"
+          id="io.sarl.eclipse.preferences.Validator"
+          name="%preference.errorWarning">
+        <keywordReference id="io.sarl.eclipse.keyword_SARL"/>
+        <keywordReference id="org.eclipse.jdt.ui.severities"/>
+	    <keywordReference id="org.eclipse.jdt.ui.formatter"/>
     </page>
  </extension>
  <extension
@@ -119,18 +131,40 @@
             class="io.sarl.eclipse.properties.RuntimeEnvironmentPropertyPage"
             id="io.sarl.eclipse.properties.SRE"
             name="%propertyPage.runtimeEnvironment">
-            <keywordReference id="io.sarl.eclipse.keyword_SRE"/>
-            <enabledWhen>
-	            <adapt type="org.eclipse.core.resources.IProject"/>
-			</enabledWhen>
-	        <filter name="projectNature" value="io.sarl.eclipse.SARLProjectNature"/>
+        <keywordReference id="io.sarl.eclipse.keyword_SARL"/>
+        <keywordReference id="io.sarl.eclipse.keyword_SRE"/>
+        <keywordReference id="io.sarl.eclipse.keyword_RUNTIME"/>
+        <keywordReference id="org.eclipse.jdt.ui.buildpath"/>
+        <enabledWhen>
+            <adapt type="org.eclipse.core.resources.IProject"/>
+		</enabledWhen>
+        <filter name="projectNature" value="io.sarl.eclipse.SARLProjectNature"/>
+    </page>
+    <page
+          category="io.sarl.lang.SARL"
+          class="io.sarl.lang.ui.SARLExecutableExtensionFactory:org.eclipse.xtext.ui.validation.ValidatorPreferencePage"
+          id="io.sarl.eclipse.properties.Validator"
+          name="%preference.errorWarning">
+		<keywordReference id="io.sarl.eclipse.keyword_SARL"/>
+		<keywordReference id="org.eclipse.jdt.ui.severities"/>
+	    <keywordReference id="org.eclipse.jdt.ui.formatter"/>
+	    <enabledWhen>
+		  <adapt type="org.eclipse.core.resources.IProject"/>
+	    </enabledWhen>
+        <filter name="projectNature" value="io.sarl.eclipse.SARLProjectNature"/>
     </page>
  </extension>
     <extension
         point="org.eclipse.ui.keywords">
+        <keyword
+            id="io.sarl.eclipse.keyword_SARL"
+            label="%keyword.sarl"/>
         <keyword
             id="io.sarl.eclipse.keyword_SRE"
-            label="%keyword.sre"/>
+            label="%keyword.sarl.sre"/>
+        <keyword
+            id="io.sarl.eclipse.keyword_RUNTIME"
+            label="%keyword.sarl.runtime"/>
     </extension>
 <!--
 	<extension point="org.eclipse.ui.views">
diff --git a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/SARLUiModule.java b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/SARLUiModule.java
index 2dfcf98b03..2c35910800 100644
--- a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/SARLUiModule.java
+++ b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/SARLUiModule.java
@@ -26,13 +26,17 @@
 import io.sarl.lang.ui.outline.SARLOperationOutlineFilter;
 import io.sarl.lang.ui.outline.SARLOutlineNodeComparator;
 import io.sarl.lang.ui.outline.SARLOutlinePage;
+import io.sarl.lang.ui.preferences.SARLPreferenceStoreInitializer;
+import io.sarl.lang.ui.preferences.SARLValidatorConfigurationBlock;
 import io.sarl.lang.ui.validation.SARLUIValidator;
 
 import org.eclipse.ui.plugin.AbstractUIPlugin;
 import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
 import org.eclipse.xtext.ui.editor.outline.actions.IOutlineContribution;
 import org.eclipse.xtext.ui.editor.outline.impl.OutlineFilterAndSorter.IComparator;
+import org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer;
 import org.eclipse.xtext.ui.editor.syntaxcoloring.ISemanticHighlightingCalculator;
+import org.eclipse.xtext.ui.validation.AbstractValidatorConfigurationBlock;
 import org.eclipse.xtext.xbase.ui.contentassist.ImportingTypesProposalProvider;
 
 import com.google.inject.Binder;
@@ -56,11 +60,26 @@ public SARLUiModule(AbstractUIPlugin plugin) {
 		super(plugin);
 	}
 
+	/** Replies the type of the configuration page for the SARL validator.
+	 *
+	 * @return the type of the SARL validator configuration page.
+	 */
+	@SuppressWarnings("static-method")
+	public Class<? extends AbstractValidatorConfigurationBlock> bindAbstractValidatorConfigurationBlock() {
+		return SARLValidatorConfigurationBlock.class;
+	}
+
+	@Override
+	public void configureSmartCaretPreferenceInitializer(Binder binder) {
+		binder.bind(IPreferenceStoreInitializer.class).annotatedWith(Names.named("smartCaretPreferenceInitializer")) //$NON-NLS-1$
+		.to(SARLPreferenceStoreInitializer.class);
+	}
+
 	@Override
 	public Class<? extends ISemanticHighlightingCalculator> bindISemanticHighlightingCalculator() {
 		assert (super.bindISemanticHighlightingCalculator().isAssignableFrom(SARLHighlightingCalculator.class))
-			: "The class SARLHighlightingCalculator does not extend the " //$NON-NLS-1$
-				+ "class provided by default by Xbase"; //$NON-NLS-1$
+		: "The class SARLHighlightingCalculator does not extend the " //$NON-NLS-1$
+			+ "class provided by default by Xbase"; //$NON-NLS-1$
 		//
 		return SARLHighlightingCalculator.class;
 	}
@@ -69,8 +88,8 @@ public Class<? extends ISemanticHighlightingCalculator> bindISemanticHighlightin
 	@org.eclipse.xtext.service.SingletonBinding(eager = true)
 	public Class<? extends org.eclipse.xtext.xbase.ui.validation.XbaseUIValidator> bindXbaseUIValidator() {
 		assert (super.bindXbaseUIValidator().isAssignableFrom(SARLUIValidator.class))
-			: "The class SARLUIValidator does not extend the class " //$NON-NLS-1$
-				+ "provided by default by Xbase"; //$NON-NLS-1$
+		: "The class SARLUIValidator does not extend the class " //$NON-NLS-1$
+			+ "provided by default by Xbase"; //$NON-NLS-1$
 		//
 		return SARLUIValidator.class;
 	}
diff --git a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/Messages.java b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/Messages.java
new file mode 100644
index 0000000000..bcf1a5faf1
--- /dev/null
+++ b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/Messages.java
@@ -0,0 +1,53 @@
+/*
+ * $Id$
+ *
+ * SARL is an general-purpose agent programming language.
+ * More details on http://www.sarl.io
+ *
+ * Copyright (C) 2014 Sebastian RODRIGUEZ, Nicolas GAUD, Stéphane GALLAND.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.sarl.lang.ui.preferences;
+
+import org.eclipse.osgi.util.NLS;
+
+/** Localized Messages.
+ * @author $Author: sgalland$
+ * @version $FullVersion$
+ * @mavengroupid $GroupId$
+ * @mavenartifactid $ArtifactId$
+ */
+@SuppressWarnings("all")
+public class Messages extends NLS {
+	private static final String BUNDLE_NAME = "io.sarl.lang.ui.preferences.messages"; //$NON-NLS-1$
+	static {
+		// initialize resource bundle
+		NLS.initializeMessages(BUNDLE_NAME, Messages.class);
+	}
+
+	private Messages() {
+	}
+
+	public static String SARLValidatorConfigurationBlock_0;
+	public static String SARLValidatorConfigurationBlock_1;
+	public static String SARLValidatorConfigurationBlock_2;
+	public static String SARLValidatorConfigurationBlock_3;
+	public static String SARLValidatorConfigurationBlock_4;
+	public static String SARLValidatorConfigurationBlock_5;
+	public static String SARLValidatorConfigurationBlock_6;
+	public static String SARLValidatorConfigurationBlock_7;
+	public static String SARLValidatorConfigurationBlock_8;
+	public static String SARLValidatorConfigurationBlock_9;
+}
diff --git a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLPreferenceStoreInitializer.java b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLPreferenceStoreInitializer.java
new file mode 100644
index 0000000000..653562ed19
--- /dev/null
+++ b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLPreferenceStoreInitializer.java
@@ -0,0 +1,81 @@
+/*
+ * $Id$
+ *
+ * SARL is an general-purpose agent programming language.
+ * More details on http://www.sarl.io
+ *
+ * Copyright (C) 2014 Sebastian RODRIGUEZ, Nicolas GAUD, Stéphane GALLAND.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.sarl.lang.ui.preferences;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.xtext.preferences.PreferenceKey;
+import org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreAccess;
+import org.eclipse.xtext.ui.editor.preferences.IPreferenceStoreInitializer;
+import org.eclipse.xtext.ui.editor.preferences.PreferenceConstants;
+import org.eclipse.xtext.validation.ConfigurableIssueCodesProvider;
+
+import com.google.inject.Inject;
+import com.google.inject.Singleton;
+
+/** Initialize the preference store with SARL specific information.
+ *
+ * @author $Author: sgalland$
+ * @version $FullVersion$
+ * @mavengroupid $GroupId$
+ * @mavenartifactid $ArtifactId$
+ */
+@Singleton
+public class SARLPreferenceStoreInitializer implements IPreferenceStoreInitializer, IPropertyChangeListener {
+
+	private IPreferenceStoreAccess preferenceStoreAccess;
+
+	@Inject
+	private ConfigurableIssueCodesProvider issueCodes;
+
+	@Override
+	public void initialize(IPreferenceStoreAccess preferenceStoreAccess) {
+		this.preferenceStoreAccess = preferenceStoreAccess;
+		setupIssueCodesDefaults(preferenceStoreAccess);
+
+		IPreferenceStore preferenceStore = org.eclipse.jdt.ui.PreferenceConstants.getPreferenceStore();
+		preferenceStore.addPropertyChangeListener(this);
+		preferenceStoreAccess.getWritablePreferenceStore().setDefault(
+				PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION,
+				preferenceStore.getBoolean(org.eclipse.jdt.ui.PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION));
+
+	}
+
+	private void setupIssueCodesDefaults(IPreferenceStoreAccess preferenceStoreAccess) {
+		for (PreferenceKey prefKey : this.issueCodes.getConfigurableIssueCodes().values()) {
+			preferenceStoreAccess.getWritablePreferenceStore().setDefault(prefKey.getId(), prefKey.getDefaultValue());
+		}
+	}
+
+	@Override
+	public void propertyChange(PropertyChangeEvent event) {
+		if (this.preferenceStoreAccess == null) {
+			return;
+		}
+		if (org.eclipse.jdt.ui.PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION.equalsIgnoreCase(event.getProperty())) {
+			this.preferenceStoreAccess.getWritablePreferenceStore().setValue(PreferenceConstants.EDITOR_SUB_WORD_NAVIGATION,
+					Boolean.valueOf(event.getNewValue().toString()));
+		}
+
+	}
+
+}
diff --git a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLValidatorConfigurationBlock.java b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLValidatorConfigurationBlock.java
new file mode 100644
index 0000000000..4d2359206e
--- /dev/null
+++ b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/SARLValidatorConfigurationBlock.java
@@ -0,0 +1,114 @@
+/*
+ * $Id$
+ *
+ * SARL is an general-purpose agent programming language.
+ * More details on http://www.sarl.io
+ *
+ * Copyright (C) 2014 Sebastian RODRIGUEZ, Nicolas GAUD, Stéphane GALLAND.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package io.sarl.lang.ui.preferences;
+
+import io.sarl.lang.validation.IssueCodes;
+
+import org.eclipse.jface.dialogs.IDialogSettings;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.xtext.validation.SeverityConverter;
+import org.eclipse.xtext.xbase.ui.validation.XbaseValidationConfigurationBlock;
+
+/** Preference page that permits to configure the SARL validator.
+ *
+ * @author $Author: sgalland$
+ * @version $FullVersion$
+ * @mavengroupid $GroupId$
+ * @mavenartifactid $ArtifactId$
+ */
+public class SARLValidatorConfigurationBlock extends XbaseValidationConfigurationBlock {
+
+	private static final String SECTION_NAME = SARLValidatorConfigurationBlock.class.getName();
+
+	@Override
+	public void dispose() {
+		storeSectionExpansionStates(getDialogSettings());
+		super.dispose();
+	}
+
+	@Override
+	protected IDialogSettings getDialogSettings() {
+		IDialogSettings dialogSettings = super.getDialogSettings();
+		IDialogSettings section = dialogSettings.getSection(SECTION_NAME);
+		if (section == null) {
+			return dialogSettings.addNewSection(SECTION_NAME);
+		}
+		return section;
+	}
+
+	@Override
+	protected void addAdditionalComponentsToSettingsPage(Composite settingsPage, int nColumns, int defaultIndent) {
+		super.addAdditionalComponentsToSettingsPage(settingsPage, nColumns, defaultIndent);
+		createHorizontalLine(settingsPage, nColumns);
+		String[] values = new String[] {
+				SeverityConverter.SEVERITY_ERROR,
+				SeverityConverter.SEVERITY_WARNING,
+				SeverityConverter.SEVERITY_IGNORE,
+		};
+		String[] valueLabels = new String[] {
+				Messages.SARLValidatorConfigurationBlock_6,
+				Messages.SARLValidatorConfigurationBlock_7,
+				Messages.SARLValidatorConfigurationBlock_8,
+		};
+		Composite composite = new Composite(settingsPage, SWT.NONE);
+		GridLayout layout = new GridLayout(nColumns, false);
+		layout.marginHeight = 0;
+		composite.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false, nColumns, 1));
+		composite.setLayout(layout);
+		addComboBox(composite,
+				Messages.SARLValidatorConfigurationBlock_9,
+				org.eclipse.xtext.xbase.validation.IssueCodes.COPY_JAVA_PROBLEMS,
+				defaultIndent, values, valueLabels);
+	}
+
+	private static void createHorizontalLine(Composite settingsPage, int nColumns) {
+		Label horizontalLine = new Label(settingsPage, SWT.SEPARATOR | SWT.HORIZONTAL);
+		horizontalLine.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, false, nColumns, 1));
+		horizontalLine.setFont(settingsPage.getFont());
+	}
+
+	@Override
+	protected void fillCodingStyleSection(ComboBoxBuilder builder) {
+		super.fillCodingStyleSection(builder);
+		builder.addComboBox(IssueCodes.REDUNDANT_INTERFACE_IMPLEMENTATION, Messages.SARLValidatorConfigurationBlock_0);
+		builder.addComboBox(IssueCodes.WRONG_PACKAGE, Messages.SARLValidatorConfigurationBlock_1);
+	}
+
+	@Override
+	protected void fillPotentialProgrammingProblemsSection(ComboBoxBuilder builder) {
+		super.fillPotentialProgrammingProblemsSection(builder);
+		builder.addComboBox(org.eclipse.xtext.xbase.validation.IssueCodes.VARIABLE_NAME_SHADOWING,
+				Messages.SARLValidatorConfigurationBlock_2);
+		builder.addComboBox(IssueCodes.DISCOURAGED_BOOLEAN_EXPRESSION, Messages.SARLValidatorConfigurationBlock_3);
+	}
+
+	@Override
+	protected void fillUnusedCodeSection(ComboBoxBuilder builder) {
+		super.fillUnusedCodeSection(builder);
+		builder.addComboBox(IssueCodes.DISCOURAGED_CAPACITY_DEFINITION, Messages.SARLValidatorConfigurationBlock_4);
+		builder.addComboBox(IssueCodes.UNREACHABLE_BEHAVIOR_UNIT, Messages.SARLValidatorConfigurationBlock_5);
+	}
+
+}
diff --git a/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/messages.properties b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/messages.properties
new file mode 100644
index 0000000000..dcb702b6fb
--- /dev/null
+++ b/plugins/io.sarl.lang.ui/src/io/sarl/lang/ui/preferences/messages.properties
@@ -0,0 +1,10 @@
+SARLValidatorConfigurationBlock_0=Redundant implementation of interface:
+SARLValidatorConfigurationBlock_1=Unrecommended package specification:
+SARLValidatorConfigurationBlock_2=Variable name shadowing:
+SARLValidatorConfigurationBlock_3=Discouraged boolean expression:
+SARLValidatorConfigurationBlock_4=Discouraged capacity definition:
+SARLValidatorConfigurationBlock_5=Unreachable behavior unit:
+SARLValidatorConfigurationBlock_6=Errors only
+SARLValidatorConfigurationBlock_7=All
+SARLValidatorConfigurationBlock_8=None
+SARLValidatorConfigurationBlock_9=Display Java Problems in SARL