* emacs-lisp/find-func.el (find-function-read): Fix incorrect use of default argument...

diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
index 08e73b32a151c602c892784c44ed13c610ea3b3e..070faca8d91607ac2e75390effb727b87b1c64cd 100644 (file)
--- a/lisp/emacs-lisp/find-func.el
+++ b/lisp/emacs-lisp/find-func.el
@@ -363,29 +363,23 @@ If TYPE is nil, insist on a symbol with a function definition.
 Otherwise TYPE should be `defvar' or `defface'.
 If TYPE is nil, defaults using `function-called-at-point',
 otherwise uses `variable-at-point'."
-  (let ((symb (if (null type)
-                 (function-called-at-point)
-               (if (eq type 'defvar)
-                   (variable-at-point)
-                 (variable-at-point t))))
-       (predicate (cdr (assq type '((nil . fboundp) (defvar . boundp)
-                                    (defface . facep)))))
-       (prompt (cdr (assq type '((nil . "function") (defvar . "variable")
-                                 (defface . "face")))))
-       (enable-recursive-minibuffers t)
-       val)
-    (if (equal symb 0)
-       (setq symb nil))
-    (setq val (completing-read
-              (concat "Find "
-                      prompt
-                      (if symb
-                          (format " (default %s)" symb))
-                      ": ")
-              obarray predicate t nil))
-    (list (if (equal val "")
-             symb
-           (intern val)))))
+  (let* ((symb1 (cond ((null type) (function-called-at-point))
+                      ((eq type 'defvar) (variable-at-point))
+                      (t (variable-at-point t))))
+         (symb  (unless (eq symb1 0) symb1))
+         (predicate (cdr (assq type '((nil . fboundp)
+                                      (defvar . boundp)
+                                      (defface . facep)))))
+         (prompt-type (cdr (assq type '((nil . "function")
+                                        (defvar . "variable")
+                                        (defface . "face")))))
+         (prompt (concat "Find " prompt-type
+                         (and symb (format " (default %s)" symb))
+                         ": "))
+         (enable-recursive-minibuffers t))
+    (list (intern (completing-read
+                   prompt obarray predicate
+                   t nil nil (and symb (symbol-name symb)))))))
 
 (defun find-function-do-it (symbol type switch-fn)
   "Find Emacs Lisp SYMBOL in a buffer and display it.