Bug 85774 [Presentations] bad tooltips in r21 presentation on Linux
The tooltips for the view menu and close buttons contain the "&" character on GTK.
bundles/org.eclipse.ui.presentations.r21/src/org/eclipse/ui/internal/presentations/R21BasicStackPresentation.java
}
        
        if (closeButton != null)
            return;
        
        closeButton = new ToolItem(viewToolBar, SWT.PUSH);
        closeButton.setDisabledImage(null);
        closeButton.setImage(WorkbenchImages
                .getImage(IWorkbenchGraphicConstants.IMG_LCL_CLOSE_VIEW));
        closeButton.setToolTipText(R21PresentationMessages
                .getString("BasicStackPresentation.close")); $NON-NLS-1$
        closeButton.addSelectionListener(new SelectionAdapter() {
            public void widgetSelected(SelectionEvent e) {
                close(getCurrent());
            }
        });
        paneFolder.flush();
    }
    /**
     * Initializes a tab for the given part. Sets the text, icon, tool tip,
     * etc. This will also be called whenever a relevant property changes
     * in the part to reflect those changes in the tab. Subclasses may override
     * to change the appearance of tabs for a particular part.
     * 
     * @param tabItem tab for the part
     * @param part the part being displayed
     */
    protected void initTab(CTabItem tabItem, IPresentablePart part) {
        tabItem.setText(part.getName());