PowerBook Screen Tester by J. Scott Hofmann and Kendall Miller two very bored computer students... PBST is a small program which flips the screen from black to white with each click of the mouse. If the screen is white, any burnt-out pixels in an active-matrix LCD display will show up as black holes in the white screen. If the screen is black, any voided pixels will show up as white holes in the black screen. Take this program with you when you buy your Book to ensure that you get the best Book in stock. Since the PowerBook 170 and the PowerBook 180 are the only Macintoshes with active-matrix liquid-crystal displays (LCDs), they are the only machines on which PBST serves any useful purpose. However, there are several machines in the pipe that will use this awesome LCD technology. PBST is compressed with Stuffit Lite 3.0.5 and encoded with BinHex 4.0. To unmangle, either drag the file as is to Stuffit Expander and let Stuffit Expander to the dirty work, or remove all the text above the --cut-here-- line and then de-binhex and unstuff it manually. PBST is Email-ware. If you use it, drop one of us a line! Our address are hofmann@cs.uiuc.edu and kmiller@ux1.cso.uiuc.edu. Legal Gobbledygook: PBST is (c) 1993, J. Scott Hofmann, Kniggets of the Round Table. 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