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
/* (non-Javadoc)
	 * Method declared on IPreferencePage.
	 */
	public void setSize(Point uiSize) {
		Control control = getControl();
		if (control != null) {
			control.setSize(uiSize);
			size = uiSize;
		}
	}
	/**
	 * The <code>PreferencePage</code> implementation of this <code>IDialogPage</code>
	 * method extends the <code>DialogPage</code> implementation to update
	 * the preference page container title. Subclasses may extend.
	 */
	public void setTitle(String title) {
		super.setTitle(title);
		if (getContainer() != null)
			getContainer().updateTitle();
	}
	/**
	 * Sets whether this page is valid.
	 * The enable state of the container buttons and the
	 * apply button is updated when a page's valid state 
	 * changes.
	 * <p>
	 *
	 * @param b the new valid state
	 */
	public void setValid(boolean b) {