[plt-planet-announce] Updated PLaneT package: dvanhorn/typed.plt for 4.x

This announces the availability of an updated package from PLaneT:

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Name:            typed.plt
Package version: 1.5
Owner:           dvanhorn


Package Description
Typed libraries and utilities.
Release Notes
Added list operations. Added lang/posn.
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Go to 

http://planet.plt-scheme.org/display.ss?package=typed.plt&owner=dvanhorn

for more information.