Variable: bibtex-key-in-head
bibtex-key-in-head is a variable defined in bibtex.el.gz.
Value
2
Documentation
Regexp subexpression number of the key part in bibtex-entry-head.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/bibtex.el.gz
(defconst bibtex-key-in-head 2
"Regexp subexpression number of the key part in `bibtex-entry-head'.")