Fred L. Drake, Jr. writes:
shlib was in 1.5.2, I think, but it is fairly new.
I checked up on this; I was thinking of shlex, which was new in 1.5.2. It was contributed by Eric Raymond, and provides support for parsing shell-like syntaxes.
-- Fred L. Drake, Jr. <fdrake at acm.org> Corporation for National Research Initiatives