Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/5/84; site baylor.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!gamma!epsilon!zeta!sabre!petrus!bellcore!decvax!genrad!panda!talcott!harvard!seismo!ut-sally!ut-ngp!shell!neuro1!baylor!peter
From: peter@baylor.UUCP (Peter da Silva)
Newsgroups: net.micro
Subject: Re: Re: software copying and protection (a personal opinion)
Message-ID: <589@baylor.UUCP>
Date: Sat, 31-Aug-85 08:26:30 EDT
Article-I.D.: baylor.589
Posted: Sat Aug 31 08:26:30 1985
Date-Received: Wed, 11-Sep-85 07:12:58 EDT
References: <409@brl-tgr.ARPA> <95@duvel.UUCP> <35@intelca.UUCP> <260@ecsvax.UUCP> <42@intelca.UUCP>
Organization: The Power Elite, Houston, TX
Lines: 15

> I once saw a manual that was done in two colors, the text was your standard
> black and white but the examples (with the key information) were light blue.
> This had the effect of making the manual uncopyable with existing 
> xerographic technology. Copiers still have problems with this but it
> is not as difficult as it once was. I thought it quite ingenius at the time.
> 
> --Chuck

This also makes the manual hard to read, and a red filter will make it quite
copyable even on older machines. Black Lightning used to use this technique
on their lecture notes.
-- 
	Peter (Made in Australia) da Silva
		UUCP: ...!shell!neuro1!{hyd-ptd,baylor,datafac}!peter
		MCI: PDASILVA; CIS: 70216,1076