[plt-planet-announce] Updated PLaneT package: williams/describe.plt for 4.x

This announces the availability of an updated package from PLaneT:

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Name:            describe.plt
Package version: 1.3
Owner:           williams


Package Description
This library provides routines to describe PLT Scheme objects.
Release Notes
Fixed the check for not-a-number.
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Go to 

http://planet.racket-lang.org/display.ss?package=describe.plt&owner=williams

for more information.