Re: Teletext mappings

From: Alain LaBonté  (
Date: Mon Feb 12 2001 - 15:44:06 EST

About this topic, please note (for what it's worth) that I did such a
mapping a while ago, in the making of Canadian standard CAN/CSA Z243.4.1
(Ordering standard for French and English) and CAN/CSA Z243.230
(Localization parameters for French and English as used in Canada). It is
possible that I goofed for some characters though, in absence of any clue,
particularly for non-spacing characters and particularly because I went
beyond Telelex, including NAPLPS CS (North American videotex character set,
still in use). Dr Umamaheswaran revised this data at IBM but I don't know
if this company had better data than I had and for which I had to make some
bold decisions, I must admit (decisions not challenged for years)... If
there is somebody guilty of any mistake in those standards, I am... In
those standards I mapped all characters using Uxxxx notation...

Alain LaBonté, Québec
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