Bug 67513 [R21PRES] view tab tool tip inconsistent with 2.1
In 2.1, the tab item tool tip appeared in the stack's title bar, not on the tab item itself. The r21presentation currently puts the tip on the tab item. I'll attach a patch that fixes the problem.
bundles/org.eclipse.ui.presentations.r21/src/org/eclipse/ui/internal/presentations/R21BasicStackPresentation.java
}
		 });
	}
	/*
	 * Shows the list of tabs at the top left corner of the editor
	 */
	protected void showListDefaultLocation() {
		R21PaneFolder tabFolder = getPaneFolder();
		Shell shell = tabFolder.getControl().getShell();
		Rectangle clientArea = tabFolder.getClientArea();
		Point location = tabFolder.getControl().getDisplay().map(
				tabFolder.getControl(), null, clientArea.x, clientArea.y);
		showList(shell, location.x, location.y);
	}
	void setSelection(CTabItem tabItem) {
		getSite().selectPart(getPartForTab(tabItem));
	}
	void close(IPresentablePart presentablePart) {
		getSite().close(new IPresentablePart[] { presentablePart });
	}
	Image getLabelImage(IPresentablePart presentablePart) {
		return presentablePart.getTitleImage();
	}
	String getLabelText(IPresentablePart presentablePart, boolean includePath) {
		String title = presentablePart.getTitle().trim();