License for libecap

Hi, I'm considering packaging libecap, a library used by Squid 3.1 to provide modular extensible capabilities. It uses the following license which to my unpracticed eye looks fairly similar to a BSD with advertising clause, but I thought I should check with you guys first... :-)

Re: Which license for a dictionary or GFDL with clause == free?

On Mon, 2005-03-28 at 23:03 -0800, Josh Triplett wrote: > [CCed to Andrew McMillan; please see item 3 below. Feel free to ignore > the rest of the message.] > > [Andrew: this is the part I CCed you about.] > > 3. Would GFDL with a clause would suffice? > > (Note: I a