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From: Francis Belliveau <f.belliveau@comcast.net>
To: Hongyi Zhao <hongyi.zhao@gmail.com>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: The correspondence of the command-name and its key-sequence.
Date: Sat, 9 Jan 2021 12:20:52 -0500	[thread overview]
Message-ID: <6CA23431-CF45-4B06-A560-1CE767153BC1@comcast.net> (raw)
In-Reply-To: <CAGP6POJXaaq0fp3kyrCxgEX5PmGvYegVp8ed+PdBP8JOU3ZDFg@mail.gmail.com>

All,

>> 
>> You shouldn't mix the hexadecimal and decimal representation of the
>> characters.  The ASCII characters 0x01-0x1a (inclusive), i.e. the
>> characters in the range 1-26 (decimal), are the ctrl- variant of the A-Z
>> ASCII characters (0x41-0x5a).
> 
> Why is the ASCII table designed into this strange layout?
> 

My answer is that it is not when viewed in light of a binary design implementation.
This, and a number of similar questions asked previously, has prompted me to write a more extensive explanation of ASCII.  I will post a short off-topic link back here when I put it on-line.

Fran





  parent reply	other threads:[~2021-01-09 17:20 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-09  6:05 The correspondence of the command-name and its key-sequence Hongyi Zhao
2021-01-09  6:32 ` Drew Adams
2021-01-09  7:16   ` Hongyi Zhao
2021-01-09  8:23     ` Omar Polo
2021-01-09  9:33       ` Hongyi Zhao
2021-01-09 10:00         ` Omar Polo
2021-01-11  8:04           ` Hongyi Zhao
2021-01-11  8:20             ` Omar Polo
2021-01-11  9:51               ` tomas
2021-01-09 17:20         ` Francis Belliveau [this message]
2021-01-14 22:21           ` ASCII - Why...? -- as promised Francis Belliveau
2021-01-09 21:21     ` The correspondence of the command-name and its key-sequence Drew Adams
2021-01-09 17:39 ` Kévin Le Gouguec
2021-01-09 18:47   ` Eduardo Ochs
2021-01-09 22:29     ` Kévin Le Gouguec

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