GNU bug report logs - #21103
24.5; LaTeX input mode: add more blackboard bold characters

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#21103: closed (24.5; LaTeX input mode: add more blackboard
 bold characters)
Date: Fri, 31 Jan 2020 10:25:01 +0000

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Your message dated Fri, 31 Jan 2020 12:23:30 +0200
with message-id <83ftfvlyal.fsf <at> gnu.org>
and subject line Re: bug#21103: 24.5; LaTeX input mode: add more blackboard bold characters
has caused the debbugs.gnu.org bug report #21103,
regarding 24.5; LaTeX input mode: add more blackboard bold characters
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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21103: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=21103
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From: Ansgar Burchardt <ansgar <at> 43-1.org>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.5; LaTeX input mode: add more blackboard bold characters
Date: Tue, 21 Jul 2015 13:28:49 +0200

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1. Enable LaTeX input mode: C-\ "TeX" RETURN
2. Typing \Bbb{R} should now result in ℝ,
   but (for example) \Bbb{C} does not result in ℂ.

I miss at least ℂ (field of complex numbers), 𝔽 (generic field), 𝕂
(generic field, German), ℍ (quaternions), 𝕀 (identity map), ℚ (field of
rational numbers), ℤ (ring of integers). Others might miss a few more
that are in common use, see [1].

The attached patch adds all blackboard bold capital characters and "1"
and "2" using the codepoints from the referenced Wikipedia article.

Ansgar

  [1] <https://en.wikipedia.org/wiki/Blackboard_bold>

In GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.16.4)
 of 2015-06-28 on trouble, modified by Debian
Windowing system distributor `The X.Org Foundation', version 11.0.11701000
System Description:	Debian GNU/Linux testing (stretch)

[0001-Add-more-blackboard-bold-characters.patch (text/x-diff, attachment)]

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From: Eli Zaretskii <eliz <at> gnu.org>
To: stefan <at> marxist.se
Cc: 21103-done <at> debbugs.gnu.org, larsi <at> gnus.org, ansgar <at> 43-1.org, rms <at> gnu.org
Subject: Re: bug#21103: 24.5;
 LaTeX input mode: add more blackboard bold characters
Date: Fri, 31 Jan 2020 12:23:30 +0200

> Date: Tue, 21 Jan 2020 20:18:59 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> Cc: 21103 <at> debbugs.gnu.org, larsi <at> gnus.org, ansgar <at> 43-1.org
> 
> > Given the above, I think this is fine to install with the
> > Copyright-paperwork-exempt tag.
> > 
> > We could perhaps contact assign <at> gnu.org if we feel unsure about this,
> > to hear what they have to say.  Does anyone think we should do that
> > first, or have any other comments?  Otherwise, I think we should just
> > install it.
> 
> Richard, are there any reasons to be more lenient with this kind of
> changes, wrt to the maximum number of lines we are allowed to accept
> without a copyright assignment?  The original patch is here:
> 
>   https://debbugs.gnu.org/cgi/bugreport.cgi?bug=21103#5
> 
> You can download the patch itself with this URL:
> 
>   https://debbugs.gnu.org/cgi/bugreport.cgi?msg=5;filename=0001-Add-more-blackboard-bold-characters.patch;att=1;bug=21103

Discussion with Richard indicated that such changes don't need any
copyright assignments, since they introduce code that is not
copyrightable.  So I've pushed this to the emacs-27 branch, and I'm
closing the bug.

Thanks.

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