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Re: Completion of links to man pages

From: Ihor Radchenko
Subject: Re: Completion of links to man pages
Date: Sat, 09 Dec 2023 11:32:39 +0000

Max Nikulin <manikulin@gmail.com> writes:

> I am unsure if the code below is appropriate for :complete property of 
> "man" link. It does not rely on any double-dash functions or variables, 
> but it still uses some implementation details since there is no suitable 
> high level functions in man.el and woman.el from Emacs.
> (defun org-man-complete (&optional _arg)
>    "Helper for completion of links to man pages."
>    (concat
>     "man:"
>     (let ((completion-ignore-case t)) ; See `man' comments.
>       (funcall
>        (if (eq org-man-command 'woman)
>            #'org-man--complete-woman
>          #'org-man--complete-man)
>        "Manual entry: "))))
> (defun org-man--complete-man (prompt)
>    (require 'man)
>    (let (Man-completion-cache)
>      (completing-read
>       prompt
>       'Man-completion-table)))
> ...

Considering that the discussion on emacs-devel concluded that woman is
obsolete, that no interest has been shown in introducing a stable
completion API, and that the "man" part of the above code is reasonably
simple, I think that the above two functions would be an OK addition to
ol-man (with woman part of `org-man-complete' removed).

Max, may you convert this into a patch?

Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
or support my work at <https://liberapay.com/yantar92>

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