Variable: backquote-unquote-symbol
backquote-unquote-symbol is a variable defined in backquote.el.gz.
Value
\,
Documentation
Symbol used to represent an unquote inside a backquote.
Source Code
;; Defined in /usr/src/emacs/lisp/emacs-lisp/backquote.el.gz
(defconst backquote-unquote-symbol '\,
"Symbol used to represent an unquote inside a backquote.")