From: Gregory Heytings <gregory@heytings.org>
To: pietru@caramail.com
Cc: emacs-devel@gnu.org
Subject: Re: prettify-symbols-mode to handle "\alpha-\beta" ...
Date: Fri, 05 Feb 2021 22:45:03 +0000 [thread overview]
Message-ID: <5588fb25804d75ad55f8@heytings.org> (raw)
In-Reply-To: <trinity-d2644196-21a9-417a-9948-52a0f7f073f0-1612563725662@3c-app-mailcom-bs10>
[-- Attachment #1: Type: text/plain, Size: 1085 bytes --]
>>> Would allowing a regexp solve the expression \alpha-\beta,
>>> \alpha+\beta, \alpha/\beta, so that \alpha and \beta are prettified
>>> seperately?
>>
>> That's not necessary. Just follow Stefan's advice:
>>
>> (defun texinfo-prettify-symbols-compose-p (start end _match)
>> ;; We know the matches all start with a backslash and end with
>> ;; a word-element.
>> (not (or (memq (char-before start) '(?\\))
>> (memq (char-syntax (or (char-after end) ?\s)) '(?w))
>> (nth 8 (syntax-ppss)))))
>> (add-hook 'texinfo-mode-hook
>> (lambda ()
>> (push '("\\alpha" . ?α) prettify-symbols-alist)
>> (push '("\\beta" . ?β) prettify-symbols-alist)
>> (setq prettify-symbols-compose-predicate 'texinfo-prettify-symbols-compose-p)
>> (prettify-symbols-mode)))
>>
>> This does what you want.
>
> That is not completely correct because for "\alpha-\beta", only \beta is
> prettified.
>
No, \alpha-\beta is prettified correctly. Tested with Emacs 25, 26, 27
and 28.
next prev parent reply other threads:[~2021-02-05 22:45 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 1:24 prettify-symbols-mode to handle "\alpha-\beta" pietru
2021-02-04 2:08 ` Óscar Fuentes
2021-02-04 3:03 ` pietru
2021-02-04 3:39 ` Óscar Fuentes
2021-02-04 3:46 ` Christopher Dimech
2021-02-04 3:51 ` pietru
2021-02-04 4:04 ` Stefan Monnier
2021-02-04 4:21 ` Christopher Dimech
2021-02-04 16:12 ` Stefan Monnier
2021-02-04 18:09 ` Christopher Dimech
2021-02-04 18:21 ` Stefan Monnier
2021-02-04 20:14 ` Christopher Dimech
2021-02-04 18:15 ` Christopher Dimech
2021-02-04 18:23 ` Stefan Monnier
2021-02-04 20:22 ` Christopher Dimech
2021-02-04 20:38 ` Stefan Monnier
2021-02-04 20:54 ` Christopher Dimech
2021-02-05 20:32 ` pietru
2021-02-05 21:01 ` Stefan Monnier
2021-02-05 21:05 ` Christopher Dimech
2021-02-05 21:54 ` Christopher Dimech
2021-02-05 21:57 ` Stefan Monnier
2021-02-05 22:09 ` Gregory Heytings
2021-02-05 22:22 ` pietru
2021-02-05 22:45 ` Gregory Heytings [this message]
2021-02-05 22:56 ` pietru
2021-02-05 23:04 ` Gregory Heytings
2021-02-05 23:15 ` pietru
2021-02-05 23:22 ` Gregory Heytings
2021-02-05 23:43 ` Christopher Dimech
2021-02-05 23:44 ` pietru
2021-02-06 0:05 ` pietru
2021-02-04 20:34 ` Christopher Dimech
2021-02-04 3:46 ` Ihor Radchenko
2021-02-04 3:59 ` Christopher Dimech
2021-02-04 8:44 ` tomas
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