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-rw-r--r--lisp/emacs-lisp/find-func.el25
1 files changed, 15 insertions, 10 deletions
diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
index b04a9d2dea5..3bbf8091a9e 100644
--- a/lisp/emacs-lisp/find-func.el
+++ b/lisp/emacs-lisp/find-func.el
@@ -255,9 +255,12 @@ TYPE should be nil to find a function, or `defvar' to find a variable."
(cons (current-buffer) (match-beginning 0))))
;;;###autoload
-(defun find-library (library)
+(defun find-library (library &optional other-window)
"Find the Emacs Lisp source of LIBRARY.
-LIBRARY should be a string (the name of the library)."
+LIBRARY should be a string (the name of the library). If the
+optional OTHER-WINDOW argument (i.e., the command argument) is
+specified, pop to a different window before displaying the
+buffer."
(interactive
(let* ((dirs (or find-function-source-path load-path))
(suffixes (find-library-suffixes))
@@ -279,15 +282,17 @@ LIBRARY should be a string (the name of the library)."
(when (and def (not (test-completion def table)))
(setq def nil))
(list
- (completing-read (if def (format "Library name (default %s): " def)
+ (completing-read (if def
+ (format "Library name (default %s): " def)
"Library name: ")
- table nil nil nil nil def))))
- (let ((buf (find-file-noselect (find-library-name library))))
- (condition-case nil
- (prog1
- (switch-to-buffer buf)
- (run-hooks 'find-function-after-hook))
- (error (pop-to-buffer buf)))))
+ table nil nil nil nil def)
+ current-prefix-arg)))
+ (prog1
+ (funcall (if other-window
+ 'pop-to-buffer
+ 'pop-to-buffer-same-window)
+ (find-file-noselect (find-library-name library)))
+ (run-hooks 'find-function-after-hook)))
;;;###autoload
(defun find-function-search-for-symbol (symbol type library)