* help-fns.el (find-lisp-object-file-name): Locate .emacs from .emacs.elc (Bug#7530).

2 files changed, 12 insertions, 3 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index b3b9295247f..48cd0058521 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,8 @@
 2010-12-21  Chong Yidong  <cyd@stupidchicken.com>
 
+        * help-fns.el (find-lisp-object-file-name): Locate .emacs from
+        .emacs.elc (Bug#7530).
+
         * wid-edit.el (widget-image-find): Remove bogus :ascent spec from
         image spec (Bug#7480).
 
diff --git a/lisp/help-fns.el b/lisp/help-fns.el
index d49b06a16e6..b100a4e471d 100644
--- a/lisp/help-fns.el
+++ b/lisp/help-fns.el
@@ -289,13 +289,19 @@ suitable file is found, return nil."
      ((not (stringp file-name))
       ;; If we don't have a file-name string by now, we lost.
       nil)
+     ;; Now, `file-name' should have become an absolute file name.
+     ;; For files loaded from ~/.emacs.elc, try ~/.emacs.
+     ((let (fn)
+        (and (string-equal file-name
+                           (expand-file-name ".emacs.elc" "~"))
+             (file-readable-p (setq fn (expand-file-name ".emacs" "~")))
+             fn)))
+     ;; When the Elisp source file can be found in the install
+     ;; directory, return the name of that file.
      ((let ((lib-name
              (if (string-match "[.]elc\\'" file-name)
                  (substring-no-properties file-name 0 -1)
                file-name)))
-        ;; 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.
         (or (and (file-readable-p lib-name) lib-name)
             ;; The library might be compressed.
             (and (file-readable-p (concat lib-name ".gz")) lib-name))))