master c2bd428: Rework previous fix to bug#38222

[Juanma Barranquero]

branch: master
commit c2bd42833f7f9881f52fe9a29d66ac64bc71f776
Author: Juanma Barranquero <address@hidden>
Commit: Juanma Barranquero <address@hidden>

    Rework previous fix to bug#38222
    
    * lisp/help.el (help--doc-without-fn): Remove.
    (describe-mode): Use help-split-fundoc instead.
---
 lisp/help.el | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/lisp/help.el b/lisp/help.el
index 06264ae..c4402ec 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -878,10 +878,6 @@ current buffer."
             (princ ", which is ")
            (describe-function-1 defn)))))))
 
-(defun help--doc-without-fn (mode)
-  ;; Remove the (fn...) thingy at the end of the docstring
-  (replace-regexp-in-string "\n\n(fn[^)]*?)\\'" "" (documentation mode)))
-
 (defun describe-mode (&optional buffer)
   "Display documentation of current major mode and minor modes.
 A brief summary of the minor modes comes first, followed by the
@@ -955,7 +951,8 @@ documentation for the major and minor modes of that buffer."
                                     "no indicator"
                                   (format "indicator%s"
                                           indicator))))
-                 (princ (help--doc-without-fn mode-function)))
+                 (princ (help-split-fundoc (documentation mode-function)
+                                            nil 'doc)))
                (insert-button pretty-minor-mode
                               'action (car help-button-cache)
                               'follow-link t
@@ -985,7 +982,7 @@ documentation for the major and minor modes of that buffer."
                                     nil t)
                (help-xref-button 1 'help-function-def mode file-name)))))
        (princ ":\n")
-       (princ (help--doc-without-fn major-mode)))))
+       (princ (help-split-fundoc (documentation major-mode) nil 'doc)))))
   ;; For the sake of IELM and maybe others
   nil)