GNU bug report logs - #46731
Clicking on filename in *Help* now just leaves us at the top of the file

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From: Stephen Berman <stephen.berman <at> gmx.net>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 46731 <at> debbugs.gnu.org, 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Subject: bug#46731: Clicking on filename in *Help* now just leaves us at the top of the file
Date: Wed, 24 Feb 2021 21:58:53 +0100

On Wed, 24 Feb 2021 17:33:23 +0100 Lars Ingebrigtsen <larsi <at> gnus.org> wrote:

> 積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:
>
>> In the *Help* buffer we see:
>>
>>     gnus-article-treat-non-ascii is an interactive Lisp function in
>>     `gnus-art.el'.
>>
>>     (gnus-article-treat-non-ascii &optional INTERACTIVE &rest ARGS)
>>
>>     Translate many Unicode characters into their ASCII equivalents.
>>
>> OK, we press RETURN on that glowing filename, and instead of whisking us
>> to the location of the function in that file, we are simply dropped off
>> at the beginning of the file, "and then our taxi speeds away, leaving
>> us to hunt for the address ourselves."
>
> Works for me in Emacs 28.  Closing.

Does it really work for you?  Grepping the lisp/gnus directory for
gnus-article-treat-non-ascii finds only these:

./gnus-sum.el:2218:  "U" gnus-article-treat-non-ascii
./gnus-sum.el:2543:	      ["Non-ASCII" gnus-article-treat-non-ascii t]

There is a defun article-treat-non-ascii and `C-h f
article-treat-non-ascii' contains a link to that, but `C-h f
gnus-article-treat-non-ascii' does not.  I guess that's because of this:

(eval-and-compile
  (mapc
   (lambda (func)
     (let (afunc gfunc)
       (if (consp func)
	   (setq afunc (car func)
		 gfunc (cdr func))
	 (setq afunc func
	       gfunc (intern (format "gnus-%s" func))))
       (defalias gfunc
	 (when (fboundp afunc)
	   `(lambda (&optional interactive &rest args)
	      ,(documentation afunc t)
	      (interactive (list t))
	      (with-current-buffer gnus-article-buffer
		(if interactive
		    (call-interactively ',afunc)
		  (apply #',afunc args))))))))
   '(article-hide-headers
     [...]
     article-treat-non-ascii
     article-normalize-headers)))

Or has there been a recent change that makes the link in the *Help*
buffer displayed by `C-h f gnus-article-treat-non-ascii' actually go to
the defun of article-treat-non-ascii?

Steve Berman

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