Bug 133599 [FieldAssist] Left and right arrow keys should work with open proposals list
I20060328-0010, worked in M5 In the Find/Replace dialog, enable regex, then type something into the Find field and invoke content assist. Pressing the left or right arrow key now closes the proposals popup. The list should not be closed, but the caret should be moved and the proposals should be recalculated for the new caret position.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
/**
	 * Get the integer style that indicates how an accepted proposal affects the
	 * control's content.
	 * 
	 * @return a constant indicating how an accepted proposal should affect the
	 *         control's content. Should be one of <code>PROPOSAL_INSERT</code>,
	 *         <code>PROPOSAL_REPLACE</code>, or <code>PROPOSAL_IGNORE</code>.
	 *         (Default is <code>PROPOSAL_INSERT</code>).
	 */
	public int getProposalAcceptanceStyle() {
		return proposalAcceptanceStyle;
	}
	/**
	 * Set the integer style that indicates how an accepted proposal affects the
	 * control's content.
	 * 
	 * @param acceptance
	 *            a constant indicating how an accepted proposal should affect
	 *            the control's content. Should be one of
	 *            <code>PROPOSAL_INSERT</code>, <code>PROPOSAL_REPLACE</code>,
	 *            or <code>PROPOSAL_IGNORE</code>
	 */
	public void setProposalAcceptanceStyle(int acceptance) {
		proposalAcceptanceStyle = acceptance;
	}
	/**
	 * Return the integer style that indicates how keystrokes affect the content
	 * of the proposal popup while it is open.
	 * 
	 * @return a constant indicating how keystrokes in the proposal popup affect