Index: src/org/eclipse/ui/texteditor/AbstractTextEditor.java
===================================================================
RCS file: /home/eclipse/org.eclipse.ui.workbench.texteditor/src/org/eclipse/ui/texteditor/AbstractTextEditor.java,v
retrieving revision 1.138
diff -u -r1.138 AbstractTextEditor.java
--- src/org/eclipse/ui/texteditor/AbstractTextEditor.java	23 Jun 2004 19:41:45 -0000	1.138
+++ src/org/eclipse/ui/texteditor/AbstractTextEditor.java	4 Jul 2004 06:40:21 -0000
@@ -1442,7 +1442,12 @@
 	 * @since 3.0
 	 */
 	public final static String PREFERENCE_WIDE_CARET= "AbstractTextEditor.Accessibility.WideCaret"; //$NON-NLS-1$	
-
+	/** 
+	 * Key used to look up the force monospace preference.
+	 * Value: {@value}
+	 * @since 3.0
+	 */
+	public final static String PREFERENCE_FORCE_MONOSPACE= "AbstractTextEditor.Accessibility.ForceMonospace"; //$NON-NLS-1$	
 	
 	/** Menu id for the editor context menu. */
 	public final static String DEFAULT_EDITOR_CONTEXT_MENU_ID= "#EditorContext"; //$NON-NLS-1$
@@ -2388,6 +2393,7 @@
 		initializeViewerColors(fSourceViewer);
 		initializeFindScopeColor(fSourceViewer);
 		initializeDragAndDrop(fSourceViewer);
+		initializeForceMonospace(fSourceViewer);
 		
 		StyledText styledText= fSourceViewer.getTextWidget();
 
@@ -3163,6 +3169,8 @@
 			updateCaret();
 		} else if (PREFERENCE_WIDE_CARET.equals(property)) {
 			updateCaret();
+		} else if (PREFERENCE_FORCE_MONOSPACE.equals(property)) {
+			initializeForceMonospace(fSourceViewer);
 		}
 			
 		if (affectsTextPresentation(event))
@@ -5125,5 +5133,20 @@
 	 */
 	public boolean isChangeInformationShowing() {
 		return false;
+	}
+
+	/**
+	 * force monospace.
+	 * 
+	 * @param viewer the viewer to be initialized
+	 *  
+	 * @see org.eclipse.swt.graphics.TextLayout#forceMonospace(int, StyleItem)
+	 */
+	public void initializeForceMonospace (ISourceViewer viewer) {
+		IPreferenceStore store= getPreferenceStore();
+		if (store != null) {
+			StyledText styledText= viewer.getTextWidget();
+			styledText.setForceMonospace(store.getBoolean(PREFERENCE_FORCE_MONOSPACE));
+		}
 	}
 }