[bug #62901] [pic] accept `.PY` as synonym for `.PF`

Update of bug #62901 (project groff): Item Group:None => Feature change ___ Reply to this item at: ___ Messag

[bug #62901] [pic] accept `.PY` as synonym for `.PF`

Update of bug #62901 (project groff): Status: In Progress => Fixed Open/Closed:Open => Closed Planned Release:None => 1.23.0