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Re: [groff] 04/05: {g, n}roff.1.man: Give assistance to pager users.


From: Tadziu Hoffmann
Subject: Re: [groff] 04/05: {g, n}roff.1.man: Give assistance to pager users.
Date: Mon, 1 Jul 2019 18:44:47 +0200
User-agent: Mutt/1.11.4 (2019-03-13)


> Now, conversely, the backspacing semantic model supports arbitrary
> character composition, which glass TTYs and their emulators never do.
> (Almost never?  I'd love to hear of any exceptions.)

Tektronix (storage scope) terminals allowed arbitrary overprinting.
The Tek emulation in xterm still supports this.

(Overprinting also used to be central to generating the full
APL symbol set.)





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