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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Assembling Complex Strings Containing Carriage Returns Prior to
 Using Ada.Text_IO.Put?
Date: Wed, 22 Oct 2014 19:59:29 +0100
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Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org> writes:

> CR & LF come to us from the Good Old Days of teletypes. CR returned
> the mechanism so the next character would print in the 1st column; LF
> advanced the paper a line. The 2 were separate so that a CR by itself
> could be used to overprint a line.

And you needed to do it in that order, because CR could take much longer
than LF; do it in the wrong order and the first character of the next
line would be a flying smudge in the middle of the line as the printing
head glanced off the paper.