Overstrikes (was Re: A basic question on encoding Latin characters)

From: Edward Cherlin (edward.cherlin.sy.67@aya.yale.edu)
Date: Tue Oct 05 1999 - 02:40:56 EDT

At 06:57 -0700 10/4/1999, John Cowan wrote:
>Edward Cherlin scripsit:
> > >Assume you have a hardcopy terminal with a print wheel.
> >
> > [snip]
> >
> > ROTFLOL. A Unicode protocol on a daisywheel terminal? You can't even
> > upgrade to a dot-matrix printer?
>As the old Xerox Character Code Standard manual said: "The key to
>large character sets on printwheels is *creative improvisation*."

Well, that's certainly how the APL overstrikes in U+2336-237A came
about, although it was on a golfball terminal rather than a

Later APL daisywheels on microspacing printers had a heavily
reinforced period petal which could be used for drawing crude graphs
a point at a time.

>(Or something like that).
>John Cowan cowan@ccil.org
> I am a member of a civilization. --David Brin

Long before I encountered APL I was taught to use overstrikes in a
high school typing class. Things like

c [BS]/ for cent

and fake accented letters.

Edward Cherlin   edward.cherlin.sy.67@aya.yale.edu
"It isn't what you don't know that hurts you, it's
what you know that ain't so."--Mark Twain, or else
some other prominent 19th century humorist and wit

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