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Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation
From: |
Robert Pluim |
Subject: |
Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation |
Date: |
Tue, 26 Jul 2022 09:59:07 +0200 |
>>>>> On Mon, 25 Jul 2022 22:49:11 +0300, Juri Linkov <juri@linkov.net> said:
>>>> > Should we make `char-fold-to-regexp' into a command and refer to it
>>>> > from here? Or add something like `char-fold-show-equivalences'?
>>>>
>>>> A better name would be `describe-char-fold'.
>>>
>>> For a command, I'd say describe-character-foldings. But
>>> char-fold-show-equivalences is IMO a better name.
>>
>> All similar commands have names starting with the `describe-' prefix like
>> `describe-char', `describe-character-set'. So maybe then
>> `describe-char-fold-equivalences'.
Juri> Ok, then let's use describe-char-fold-equivalences:
Ah, that lists *all* the equivalences. I was thinking more along the
lines of the following (we can give it a different name, or combine them)
(defun char-fold-char-equivalences (char &optional lax)
"Display characters equivalent to CHAR.
Prompt for CHAR. Interactively, a prefix arg means also include
any ligatures that CHAR partially matches."
(interactive (list (read-char-by-name "Character (Unicode name or hex): ")
current-prefix-arg))
(require 'help-fns)
(let ((help-buffer-under-preparation t))
(help-setup-xref (list #'describe-char-fold-equivalences)
(called-interactively-p 'interactive))
(let* ((equivalences nil)
(char-fold--no-regexp t)
(table (char-fold--make-table))
(extra (aref (char-table-extra-slot table 0) char)))
(setq equivalences (aref table char))
(when lax
(setq equivalences (append equivalences
(mapcar (lambda (entry)
(cdr entry))
extra))))
(setq equivalences (cons (char-to-string char) equivalences))
(with-help-window (help-buffer)
(with-current-buffer standard-output
(insert (mapconcat
(lambda (c)
(format "%s: \?\\N{%s}\n"
c
(or (get-char-code-property (string-to-char c)
'name)
(get-char-code-property (string-to-char c)
'old-name))))
equivalences)))))))
Robert
--
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, (continued)
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Robert Pluim, 2022/07/26
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/26
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Robert Pluim, 2022/07/26
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/26
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Robert Pluim, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/27
Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/25
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/25
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/25
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/25
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation,
Robert Pluim <=
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/26
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Robert Pluim, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/27
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/28
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Eli Zaretskii, 2022/07/28
- Re: emacs-28 a866674b2a: Fix inaccuracies in "lax search" documentation, Juri Linkov, 2022/07/28