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Emacs 25 is able to prettify symbols in programming language buffers,
see (emacs)Misc for Programs section ‘Misc for Programs’ in GNU Emacs Manual. The canonical
example is to display
(lambda () ...) as
(λ () ...) in
AUCTeX can use this feature in order to display certain math macros
and greek letters using their Unicode representation, too. For example,
the TeX code
\alpha \times \beta will be displayed as
× β. When point is on one of the characters, it’ll be unprettified
automatically, meaning you see the verbatim text again. For this
behaviour however you need to set
prettify-symbols-unprettify-at-point to t or
which will unprettify the symbol when point moves into or near it.
To enable prettification in AUCTeX, simply add
TeX-mode-hook. If you enabled
prettification globally with
it’s automatically enabled in AUCTeX, too.
You can also add custom symbol unicode-character pairs for
prettification by adding to
that this variable is part of Emacs’ stock
tex-mode.el and used
by that and AUCTeX.
This document was generated on October 18, 2020 using texi2html 1.82.