Re: `C-h f' doesn't show file where function comes from

[Katsumi Yamaoka <yamaoka@jpl.org>]

>>>>> Katsumi Yamaoka wrote:
> It relates to whether Emacs is installed or not.
[...]
> Here is a patch:

I think displaying the ".gz" extension in file names is needless
because of `auto-compression-mode'.  Please replace the last patch
with this:

--- help-fns.el~	2008-09-01 21:41:33 +0000
+++ help-fns.el	2008-09-08 00:30:41 +0000
@@ -295,7 +295,8 @@
 	;; When the Elisp source file can be found in the install
 	;; directory return the name of that file - `file-name' should
 	;; have become an absolute file name ny now.
-	(and (file-readable-p lib-name) lib-name)))
+	(or (and (file-readable-p lib-name) lib-name)
+	    (and (file-readable-p (concat lib-name ".gz")) lib-name))))
      ((let* ((lib-name (file-name-nondirectory file-name))
 	     ;; The next form is from `describe-simplify-lib-file-name'.
 	     (file-name