Expansion of the acronym "grep"

[Guy Harris]

>	actually --
>	grep  ==> global regular expression parser
>	fgrep ==> fixed-string global regular expression parser
>	egrep ==> extended global regular expression parser

Actually, no.  Everybody curious about what "grep" stands for - and
*especially* everybody tempted to post their guess about what it stands
for - should go read Andrew Hume's posting once it arrives on their
machine.  It speaks the truth.

(We now see again why the Frequently Asked Questions posting is a Good
Idea.)