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diff --git a/experimental/compensator/org.eclipse.fx.text.ui/src/org/eclipse/jface/text/presentation/IPresentationRepairer.java b/experimental/compensator/org.eclipse.fx.text.ui/src/org/eclipse/jface/text/presentation/IPresentationRepairer.java
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+++ b/experimental/compensator/org.eclipse.fx.text.ui/src/org/eclipse/jface/text/presentation/IPresentationRepairer.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jface.text.presentation;
+
+
+
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITypedRegion;
+import org.eclipse.jface.text.TextPresentation;
+
+
+/**
+ * A presentation repairer is a strategy used by a presentation reconciler to
+ * rebuild a damaged region in a document's presentation. A presentation
+ * repairer is assumed to be specific for a particular document content type.
+ * The presentation repairer gets the region which it should repair and
+ * constructs a "repair description". The presentation repairer merges the steps
+ * contained within this description into the text presentation passed into
+ * <code>createPresentation</code>.
+ * <p>
+ * This interface may be implemented by clients. Alternatively, clients may use
+ * the rule-based default implementation
+ * {@link org.eclipse.jface.text.rules.DefaultDamagerRepairer}. Implementers
+ * should be registered with a presentation reconciler in order get involved in
+ * the reconciling process.
+ * </p>
+ *
+ * @see IPresentationReconciler
+ * @see IDocument
+ * @see org.eclipse.swt.custom.StyleRange
+ * @see TextPresentation
+ */
+public interface IPresentationRepairer {
+
+
+	/**
+	 * Tells the presentation repairer on which document it will work.
+	 *
+	 * @param document the damager's working document
+	 */
+	void setDocument(IDocument document);
+
+	/**
+	 * Fills the given presentation with the style ranges which when applied to the
+	 * presentation reconciler's text viewer repair the  presentation damage described by
+	 * the given region.
+	 *
+	 * @param presentation the text presentation to be filled by this repairer
+	 * @param damage the damage to be repaired
+	 */
+	void createPresentation(TextPresentation presentation, ITypedRegion damage);
+}