T>GuiSignals.aml</TT>. <TT>Gui.aml</TT> embeds the
interface XML and wraps it in an Alice structure such that evaluating the structure
instantiates the widgets specified in the file and provides a value in the structure
for each named widget. <TT>GuiSignals.aml</TT> contains a signature and associated
functor that can be used to connect application signal handlers to the widgets in
the file.
</P>

<P>
Let's take a very basic example. If you create a window called
<TT>mainWindow</TT> with just one 