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

From: PLaneT (planet at plt-scheme.org)
Date: Thu Feb 4 16:30:00 EST 2010

This announces the availability of an updated package from PLaneT:

Name:            plai.plt
Package version: 1.13
Owner:           plai

Package Description
Language levels for the Programming Languages: Application and Interpretation textbook
Release Notes
datatype does not expose make-<variant> uncontracted datatype variants are printed constructor style mutator gui window is cleaner and resizing works mutator language now prints out location and values at top-level adding better syntax error messages to mutator language catching mutator languages up to PLT and test harness

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