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Improve help-enable-variable-value-editing help

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* lisp/help-fns.el (help-enable-variable-value-editing): Expand
docstring to better explain what effect it has.
(help-fns-edit-variable): Use command substitution.
This commit is contained in:
Stefan Kangas 2022-06-17 16:03:52 +02:00
commit 250f9e7f83
1 changed files with 8 additions and 2 deletions
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10
lisp/help-fns.el
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@ -135,6 +135,11 @@ with the current prefix. The files are chosen according to
(defcustom help-enable-variable-value-editing nil
"If non-nil, allow editing values in *Help* buffers.
To edit the value of a variable, use \\[describe-variable] to
display a \"*Help*\" buffer, move point after the text
\"Its value is\" and type \\`e'.
Values that aren't readable by the Emacs Lisp reader can't be
edited even if this option is enabled."
:type 'boolean
@ -1376,9 +1381,10 @@ it is displayed along with the global value."
(prin1 (nth 1 var) (current-buffer))
(pp-buffer)
(goto-char (point-min))
(insert (format ";; Edit the `%s' variable.\n" (nth 0 var))
";; C-c C-c to update the value and exit.\n\n")
(help-fns--edit-value-mode)
(insert (format ";; Edit the `%s' variable.\n" (nth 0 var))
(substitute-command-keys
";; \\[help-fns-edit-mode-done] to update the value and exit.\n\n"))
(setq-local help-fns--edit-variable var)))
(defvar-keymap help-fns--edit-value-mode-map