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diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/spelling/engine/ISpellCheckEngine.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/spelling/engine/ISpellCheckEngine.java
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+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpdt/internal/ui/text/spelling/engine/ISpellCheckEngine.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.text.spelling.engine;
+
+import java.util.Locale;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+
+/**
+ * Interface for spell-check engines.
+ * 
+ * @since 3.0
+ */
+public interface ISpellCheckEngine {
+
+	/**
+	 * Creates a configured instance of a spell-checker that uses the
+	 * appropriate dictionaries.
+	 * 
+	 * @param locale
+	 *            The locale to get the spell checker for
+	 * @param store
+	 *            The preference store for the spell-checker
+	 * @return A configured instance of a spell checker, or <code>null</code>
+	 *         iff no dictionary could be found for that locale
+	 */
+	ISpellChecker createSpellChecker(Locale locale, IPreferenceStore store);
+
+	/**
+	 * Returns the current locale of the spell check engine.
+	 * 
+	 * @return The current locale of the engine
+	 */
+	Locale getLocale();
+
+	/**
+	 * Registers a dictionary for all locales available on the platform.
+	 * <p>
+	 * This call is equivalent to calling
+	 * <code>registerDictionary(Locale,ISpellDictionary)</code> for each of
+	 * the locales returned by <code>Locale.getAvailableLocales()</code>.
+	 * </p>
+	 * 
+	 * @param dictionary
+	 *            The dictionary to register
+	 */
+	void registerDictionary(ISpellDictionary dictionary);
+
+	/**
+	 * Registers a dictionary tuned for the specified locale with this engine.
+	 * 
+	 * @param locale
+	 *            The locale to register the dictionary with
+	 * @param dictionary
+	 *            The dictionary to register
+	 */
+	void registerDictionary(Locale locale, ISpellDictionary dictionary);
+
+	/**
+	 * Unloads the spell check engine and its associated components.
+	 * <p>
+	 * All registered dictionaries are unloaded and the engine unregisters for
+	 * preference changes. After a new call to
+	 * <code>getSpellChecker(Locale)</code>, it registers again for
+	 * preference changes. The dictionaries perform lazy loading, that is to say
+	 * on the next query they reload their associated word lists.
+	 */
+	void unload();
+
+	/**
+	 * Unregisters a dictionary previously registered either by a call to
+	 * <code>registerDictionary(Locale,ISpellDictionary)</code> or
+	 * <code>registerDictionary(ISpellDictionary)</code>. If the dictionary
+	 * was not registered before, nothing happens.
+	 * 
+	 * @param dictionary
+	 *            The dictionary to unregister
+	 */
+	void unregisterDictionary(ISpellDictionary dictionary);
+}