GNU bug report logs - #55722
Missing number superscripts in the `C-x 8 ^' map

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tor Kringeland <tor.kringeland <at> ntnu.no>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: Missing number superscripts in the `C-x 8 ^' map
Date: Mon, 30 May 2022 09:19:37 +0000

`C-x 8 ^ 1'--`C-x 8 ^ 3' are supported, but not the other seven numbers;
this should be extended.  Maybe superscripts of + and - could also be
included --- they are included in some other input methods in Emacs
(e.g., `compose').

Also, it would be nice to have the same characters for subscripts (with
`C-x 8 _').  For other subscripts and superscripts, an input method
would be more appropriate (though general sub- and superscripts seem to
not be supported by any input method built into Emacs).  But I think
extending the `C-x 8' map to support number super- and subscripts is
reasonable.

Message #10 received at 55722-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Tor Kringeland <tor.kringeland <at> ntnu.no>
Cc: 55722-done <at> debbugs.gnu.org
Subject: Re: bug#55722: Missing number superscripts in the `C-x 8 ^' map
Date: Mon, 30 May 2022 16:01:36 +0300

> From: Tor Kringeland <tor.kringeland <at> ntnu.no>
> Date: Mon, 30 May 2022 09:19:37 +0000
> 
> `C-x 8 ^ 1'--`C-x 8 ^ 3' are supported, but not the other seven numbers;
> this should be extended.  Maybe superscripts of + and - could also be
> included --- they are included in some other input methods in Emacs
> (e.g., `compose').
> 
> Also, it would be nice to have the same characters for subscripts (with
> `C-x 8 _').

I added those, but note that the results might look somewhat ugly if
your default font doesn't support the U+20XX codepoints, and you need
a superscript that mixes both Latin digits and the newer 20XX ones.

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