Auto Names in Patterns - what does it do?

[Paolo F Cantoni]

We're starting to experiment (yet again) with EA Patterns (I know, we're masochists...).  I was hoping that the Patterns functionality would allow us to automatically replace dependent names as the pattern was created.  For example, for a simple intersector pattern, if we have the two endpoints Left & Right, we'd like the intersector to default to Left-Right.  We can change Left and Right, but we have to manually change Left-Right.

Can anyone confirm that this can't be done?  (without additional automation)

If so, then what does the [  ] Use Auto Names checkbox do?  Using Help with Use Auto Names as the search parameter, reveals only one hit to say that the option will be disabled.  There's nothing that says what it actually does.  Can a kind soul please enlighten me?

TIA,
Paolo