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/PreferenceDialog.java
gd.horizontalSpan = 2;
		separator.setLayoutData(gd);
		return composite;
	}
	/**
	 * Creates the inner page container.
	 */
	private Composite createPageContainer(Composite parent) {
		Composite result = new Composite(parent, SWT.NULL);
		result.setLayout(new PageLayout());
		return result;
	}
	/**
	 * Creates the wizard's title area.
	 *
	 * @param parent the SWT parent for the title area composite
	 * @return the created title area composite
	 */
	private Composite createTitleArea(Composite parent) {
		
		
		titleArea = new Composite(parent, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.marginHeight = 2;
		layout.marginWidth = 2;
		layout.verticalSpacing = 0;
		layout.horizontalSpacing = 0;
		layout.numColumns = 2;
		
		Display display = parent.getDisplay();