Variable: bibtex-autoadd-commas
bibtex-autoadd-commas is a customizable variable defined in
bibtex.el.gz.
Value
t
Documentation
If non-nil automatically add missing commas at end of BibTeX fields.
Probably introduced at or before Emacs version 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/bibtex.el.gz
(defcustom bibtex-autoadd-commas t
"If non-nil automatically add missing commas at end of BibTeX fields."
:group 'bibtex
:type 'boolean)