VE3OGG writes "It would seem that Google's famed, award-winning blogging software, Blogger, has just left beta, ABC reports, and entered a growing (but still short) list of Google products to move out of beta. Of course, with this change is status also came a few crucial new features for Google's blogging agent, specifically Google account integration, "Web 2.0" code free updates, and tagging."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals