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bug#21103: 24.5; LaTeX input mode: add more blackboard bold characters
From: |
Lars Ingebrigtsen |
Subject: |
bug#21103: 24.5; LaTeX input mode: add more blackboard bold characters |
Date: |
Tue, 23 Feb 2016 20:37:47 +1100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux) |
Ansgar Burchardt <ansgar@43-1.org> writes:
> 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.
[...]
> This patch adds all capital blackboard bold letters and those for "1"
> and "2". Most characters are in common use in mathematics, but it does
> not seem useful to exclude the few not widely used.
It does seem more consistent to add them all, yes...
> - ("\\Bbb{N}" ?ℕ) ; AMS commands for blackboard bold
> - ("\\Bbb{P}" ?ℙ) ; Also sometimes \mathbb.
> + ("\\Bbb{A}" ?𝔸) ; AMS commands for blackboard bold
> + ("\\Bbb{B}" ?𝔹) ; Also sometimes \mathbb.
> + ("\\Bbb{C}" ?ℂ)
> + ("\\Bbb{D}" ?𝔻)
> + ("\\Bbb{E}" ?𝔼)
> + ("\\Bbb{F}" ?𝔽)
> + ("\\Bbb{G}" ?𝔾)
> + ("\\Bbb{H}" ?ℍ)
(etc)
A question to the other Emacs maintainers -- would a change like this,
which is more than 15 lines, require a copyright assignment? It's not
very "code-ey"...
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
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