Bug 33488 [Preferences] [Help] F1 help should always give help about the selected page
build I20030227 - Window / Preferences - focus is in tree at left - F1 - it gives you help about the dialog, not the selected page - give the selected page focus - F1 - it gives you help about the page F1 should always give you help about the selected page. It should also give help about the dialog at the same time, if possible (e.g. a link for the page, and a link for the dialog).
bundles/org.eclipse.jface/src/org/eclipse/jface/preference/PreferencePage.java
* The <code>PreferencePage</code> implementation of this 
	 * <code>IPreferencePage</code> method returns <code>true</code>
	 * if the page is valid.
	 */
	public boolean okToLeave() {
		return isValid();
	}
	/**
	 * Performs special processing when this page's Apply button has been pressed.
	 * <p>
	 * This is a framework hook method for sublcasses to do special things when
	 * the Apply button has been pressed.
	 * The default implementation of this framework method simply calls
	 * <code>performOk</code> to simulate the pressing of the page's OK button.
	 * </p>
	 * 
	 * @see #performOk
	 */
	protected void performApply() {
		performOk();
	}
	/**	
	 * The preference page implementation of an <code>IPreferencePage</code>
	 * method performs special processing when this page's Cancel button has
	 * been pressed.
	 * <p>
	 * This is a framework hook method for sublcasses to do special things when
	 * the Cancel button has been pressed. The default implementation of this
	 * framework method does nothing and returns <code>true</code>.
	 */