Variable: find-file-existing-other-name

find-file-existing-other-name is a customizable variable defined in files.el.gz.

Value

t

Documentation

Non-nil means find a file under alternative names, in existing buffers.

This means if any existing buffer is visiting the file you want under another name, you get the existing buffer instead of a new buffer.

View in manual

Probably introduced at or before Emacs version 19.20.

Source Code

;; Defined in /usr/src/emacs/lisp/files.el.gz
(defcustom find-file-existing-other-name t
  "Non-nil means find a file under alternative names, in existing buffers.
This means if any existing buffer is visiting the file you want
under another name, you get the existing buffer instead of a new buffer."
  :type 'boolean
  :group 'find-file)