That is an unofficial manpage for perl 4, a release that has been obsolete since 1994…

I always preferred Pathologically Eclectic Rubbish Lister. Please note I say this lovingly, as a former Perl programmer.

Click on the BUGS link to get to http://www.cs.cmu.edu/afs/cs.cmu.edu/Web/People/rgs/pl-bugs.... which ends with the alternate definition.

Larry Wall has told me that the fact that he had two acronyms that he liked for it was one of the reasons that he chose the name Perl.

No, that is a backronym.

http://en.wikipedia.org/wiki/Perl#Name

Yes, we know how to google here. We also know how to read more than a few sentences in a row, and understand context of statements.