def _create_label(self, item, ui, desc, suffix = ':'):
"""Creates an item label.
"""
label = item.get_label(ui)
if (label == '') or (label[-1:] in '?=:;,.<>/\\"\'-+#|'):
suffix = ''
control = Label(label + suffix)
control.setSizeUndefined()
if item.emphasized:
self._add_emphasis(control)
# FIXME: Decide what to do about the help.
control.help = item.get_help(ui)
return control
