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TikZ support and ConTeXt environments

From: Ikumi Keita
Subject: TikZ support and ConTeXt environments
Date: Mon, 07 Nov 2022 13:13:33 +0900

Hi all,

I propose the attched three patches with respect to TikZ and ConTeXt. If
no objection, I'll commit them.

I tried to improve tikz.el to arrive at the attached first patch. As you
can see, it includes preliminary support for ConTeXt and plain TeX as

However, I realized that ConTeXt support doesn't work at all. The reason
is that `ConTeXt-add-environments' is broken as well as context.el
doesn't use `ConTeXt-environment-list' correctly.

I figured out that `TeX-auto-add-type' is responsible for the failure of
`ConTeXt-add-environments'. It adds entries in `TeX-auto-parser' in a
form like
("environment" ConTeXt-auto-environment ConTeXt-add-environments 
ConTeXt-environment-list ConTeXt-environment-changed)
, where "environment" is used as a key to extract each component from
the entry. However, this entry conflicts with another entry
("environment" LaTeX-auto-environment LaTeX-add-environments 
LaTeX-environment-list LaTeX-environment-changed)
, which shares the same "environment" as a key.

Thus I propose to apply the attached second patch to make the key to be

The third patch fixes the problem that tikz.el inserts empty node name
"()" when the user gave no node name.

Any comments and discussions are welcome.

Ikumi Keita
#StandWithUkraine #StopWarInUkraine

Attachment: 0001-Improve-support-for-TikZ.patch
Description: TikZ support improvement

Attachment: 0002-Fix-ConTeXt-add-environments.patch
Description: Fix ConTeXt-add-environment

Attachment: 0003-Don-t-insert-empty-node-name.patch
Description: Get rid of empty node name

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