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From: Eli Zaretskii <eliz@gnu.org>
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Subject: Re: Convert the hexadecimal character code to the corresponding
 Unicode value.
Date: Fri, 01 Oct 2021 13:58:26 +0300
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 (message from Hongyi Zhao on Fri, 1 Oct 2021 18:27:16 +0800)
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> From: Hongyi Zhao <hongyi.zhao@gmail.com>
> Date: Fri, 1 Oct 2021 18:27:16 +0800
> 
> I noticed some comments on the escape syntax used by Emacs from here
> [1-2]. By default, the `describe-char' command will give the code
> point representation of the character in hexadecimal and octal
> formats, say, #o240, #xa0. So, I want to if there is a convenient way
> to do the conversion between the hexadecimal character code
> representation and the corresponding Unicode value.

What do you mean by "the corresponding Unicode value", and how is it
different from the hexadecimal codepoint shown by describe-char?