Shift-Refresh / Reload

What is sent special in HTTP message to server when the following is done

1) Shift-Refresh in Internet Explorer

2) Shift-Reload in Netscape Navigator

Is it that the "If-Modified-Since" header is sent or is a GET mssg sent w/o
this header ?

Thanks
Diwakar

Received on Thursday, 17 October 2002 00:45:16 UTC