### Eclipse Workspace Patch 1.0
#P org.eclipse.mylyn.tasks.ui
Index: src/org/eclipse/mylyn/tasks/ui/editors/TaskTextViewerConfiguration.java
===================================================================
RCS file: /cvsroot/tools/org.eclipse.mylyn/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/tasks/ui/editors/TaskTextViewerConfiguration.java,v
retrieving revision 1.6
diff -u -r1.6 TaskTextViewerConfiguration.java
--- src/org/eclipse/mylyn/tasks/ui/editors/TaskTextViewerConfiguration.java	26 Nov 2007 19:59:25 -0000	1.6
+++ src/org/eclipse/mylyn/tasks/ui/editors/TaskTextViewerConfiguration.java	23 Jan 2008 21:02:08 -0000
@@ -9,13 +9,16 @@
 package org.eclipse.mylyn.tasks.ui.editors;
 
 import java.util.HashMap;
+import java.util.Iterator;
 import java.util.Map;
 
 import org.eclipse.core.runtime.IAdaptable;
 import org.eclipse.jface.preference.JFacePreferences;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.TextAttribute;
+import org.eclipse.jface.text.TextPresentation;
 import org.eclipse.jface.text.hyperlink.DefaultHyperlinkPresenter;
 import org.eclipse.jface.text.hyperlink.IHyperlink;
 import org.eclipse.jface.text.hyperlink.IHyperlinkPresenter;
@@ -38,7 +41,9 @@
 import org.eclipse.mylyn.tasks.ui.TaskHyperlink;
 import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StyleRange;
 import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.ui.editors.text.EditorsUI;
 import org.eclipse.ui.editors.text.TextSourceViewerConfiguration;
@@ -135,10 +140,23 @@
 			this.sourceViewer = sourceViewer;
 		}
 
+		@SuppressWarnings("unchecked")
 		@Override
-		public void showHyperlinks(IHyperlink[] hyperlinks) {
-			super.showHyperlinks(hyperlinks);
+		public void applyTextPresentation(TextPresentation textPresentation) {
+			super.applyTextPresentation(textPresentation);
+			if (currentTaskHyperlink != null && currentTaskHyperlink.isCompleted()) {
+				Iterator<StyleRange> styleRangeIterator = textPresentation.getAllStyleRangeIterator();
+				while (styleRangeIterator.hasNext()) {
+					StyleRange styleRange = styleRangeIterator.next();
+					if (styleRange.underline) {
+						styleRange.strikeout = true;
+					}
+				}
+			}
+		}
 
+		@Override
+		public void showHyperlinks(IHyperlink[] hyperlinks) {
 			if (hyperlinks != null && hyperlinks.length > 0 && hyperlinks[0] instanceof TaskHyperlink) {
 				TaskHyperlink hyperlink = (TaskHyperlink) hyperlinks[0];
 
@@ -160,6 +178,7 @@
 					}
 				}
 			}
+			super.showHyperlinks(hyperlinks);
 		}
 
 		@Override