### Eclipse Workspace Patch 1.0
#P org.eclipse.jface.text
Index: src/org/eclipse/jface/text/contentassist/IContentAssistantExtension3.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface.text/src/org/eclipse/jface/text/contentassist/IContentAssistantExtension3.java,v
retrieving revision 1.1
diff -u -r1.1 IContentAssistantExtension3.java
--- src/org/eclipse/jface/text/contentassist/IContentAssistantExtension3.java	25 Apr 2006 16:26:27 -0000	1.1
+++ src/org/eclipse/jface/text/contentassist/IContentAssistantExtension3.java	9 Oct 2006 08:16:00 -0000
@@ -27,7 +27,7 @@
 	 * Sets the key sequence to listen for in repeated invocation mode. If the key sequence is
 	 * encountered, a step in the repetition iteration is triggered.
 	 * 
-	 * @param sequence the key sequence to listen for in repeated invocation mode
+	 * @param sequence the key sequence used for the repeated invocation mode or <code>null</code> if none
 	 */
 	public void setRepeatedInvocationTrigger(KeySequence sequence);
 }
Index: src/org/eclipse/jface/text/contentassist/ContentAssistant.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface.text/src/org/eclipse/jface/text/contentassist/ContentAssistant.java,v
retrieving revision 1.74
diff -u -r1.74 ContentAssistant.java
--- src/org/eclipse/jface/text/contentassist/ContentAssistant.java	31 Aug 2006 08:52:39 -0000	1.74
+++ src/org/eclipse/jface/text/contentassist/ContentAssistant.java	9 Oct 2006 08:16:00 -0000
@@ -943,7 +943,7 @@
 	 *
 	 * @since 3.2
 	 */
-	private KeySequence fTriggerSequence= KeySequence.getInstance();
+	private KeySequence fTriggerSequence;
 
 
 	/**
@@ -2264,13 +2264,13 @@
 	 * @since 3.2
 	 */
 	public void setRepeatedInvocationTrigger(KeySequence sequence) {
-		Assert.isNotNull(sequence);
 		fTriggerSequence= sequence;
 	}
 
 	/**
 	 * Returns the repeated invocation key sequence.
-	 * @return the repeated invocation key sequence
+	 * 
+	 * @return the repeated invocation key sequence or <code>null</code>, if none
 	 * @since 3.2
 	 */
 	KeySequence getTriggerSequence() {
Index: src/org/eclipse/jface/text/contentassist/CompletionProposalPopup.java
===================================================================
RCS file: /cvsroot/eclipse/org.eclipse.jface.text/src/org/eclipse/jface/text/contentassist/CompletionProposalPopup.java,v
retrieving revision 1.124
diff -u -r1.124 CompletionProposalPopup.java
--- src/org/eclipse/jface/text/contentassist/CompletionProposalPopup.java	31 Aug 2006 08:52:39 -0000	1.124
+++ src/org/eclipse/jface/text/contentassist/CompletionProposalPopup.java	9 Oct 2006 08:15:59 -0000
@@ -193,6 +193,12 @@
 	}
 
 	private final class CommandKeyListener extends KeyAdapter {
+		private KeySequence fCommandSequence;
+		
+		private CommandKeyListener(KeySequence keySequence) {
+			fCommandSequence= keySequence;
+		}
+		
 		public void keyPressed(KeyEvent e) {
 			if (!Helper.okToUse(fProposalShell))
 				return;
@@ -346,12 +352,6 @@
 	 * @since 3.2
 	 */
 	private String fEmptyMessage= null;
-	/**
-	 * The invoking command sequence, possibly <code>null</code>.
-	 *
-	 * @since 3.2
-	 */
-	private KeySequence fCommandSequence= KeySequence.getInstance();
 
 	/**
 	 * Creates a new completion proposal popup for the given elements.
@@ -615,14 +615,14 @@
 	 * @since 3.2
 	 */
     private void addCommandSupport(final Control control) {
-    	fCommandSequence= fContentAssistant.getTriggerSequence();
-    	if (!fCommandSequence.isEmpty() && fContentAssistant.isRepeatedInvocationMode()) {
+    	final KeySequence commandSequence= fContentAssistant.getTriggerSequence();
+    	if (commandSequence != null && !commandSequence.isEmpty() && fContentAssistant.isRepeatedInvocationMode()) {
     		control.addFocusListener(new FocusListener() {
     			private CommandKeyListener fCommandKeyListener;
     			public void focusGained(FocusEvent e) {
     				if (Helper.okToUse(control)) {
     					if (fCommandKeyListener == null) {
-    						fCommandKeyListener= new CommandKeyListener();
+    						fCommandKeyListener= new CommandKeyListener(commandSequence);
     						fProposalTable.addKeyListener(fCommandKeyListener);
     					}
     				}