avoids problems with some window managers and desktop environments,
where a change in a frame's title (when a frame is iconified) is
interpreted as a request to raise the frame and/or give it input
-focus. The default is a string identical to the default value of
-@code{frame-title-format}.
+focus. It is also useful if you want the frame's title to be the same
+no matter if the frame is iconified or not. The default value is a
+string identical to the default value of @code{frame-title-format}.
@end defvar
@defvar multiple-frames
That value means to use 'frame-title-format' for iconified frames.
This is useful with some window managers and desktop environments
which treat changes in frame's title as requests to raise the frame
-and/or give it input focus.
+and/or give it input focus, or if you want the frame's title to be the
+same no matter if the frame is iconified or not.
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