Variable: tex-close-quote
tex-close-quote is a customizable variable defined in tex-mode.el.gz.
Value
"''"
Documentation
String inserted by typing M-x tex-insert-quote (tex-insert-quote) to close a quotation.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/tex-mode.el.gz
;;;###autoload
(defcustom tex-close-quote "''"
"String inserted by typing \\[tex-insert-quote] to close a quotation."
:type 'string
:options '("''" "\">" "\"'" ">>" "»")
:group 'tex)