Variable: uniquify-separator
uniquify-separator is a customizable variable defined in
uniquify.el.gz.
Value
nil
Documentation
String separator for buffer name components.
When uniquify-buffer-name-style is post-forward, separates
base file name from directory part in buffer names (default "|").
When uniquify-buffer-name-style is reverse, separates all
file name components (default "\\").
Setting this variable directly will not usually take effect; use either
M-x customize (customize) or setopt, or call uniquify--set-option; otherwise
reload your buffers.
Source Code
;; Defined in /usr/src/emacs/lisp/uniquify.el.gz
(defcustom uniquify-separator nil
"String separator for buffer name components.
When `uniquify-buffer-name-style' is `post-forward', separates
base file name from directory part in buffer names (default \"|\").
When `uniquify-buffer-name-style' is `reverse', separates all
file name components (default \"\\\").
Setting this variable directly will not usually take effect; use either
\\[customize] or `setopt', or call `uniquify--set-option'; otherwise
reload your buffers."
:type '(choice (const nil) string)
:initialize #'custom-initialize-default
:set #'uniquify--set-option)