[plt-planet-announce] Updated PLaneT package: untyped/unlib.plt for 4.x

From: PLaneT (planet at racket-lang.org)
Date: Fri May 20 07:00:55 EDT 2011

This announces the availability of an updated package from PLaneT:

Name:            unlib.plt
Package version: 3.24
Owner:           untyped

Package Description
Helpful utilities from Untyped.
Release Notes

Changes and additions:
added optional #:equality-test argument to define-enum form in enumeration.ss , paving the way for string enumerations; added date-days-difference , date-weeks-difference , date-months-difference , and date-years-difference to date.ss ; added round-to to number.ss ; added natural->hex-string and hex-string->natural to number.ss and string.ss ; documentation fixes (thanks to Eric Hanchrow for spotting these).

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