Variable: bibtex-autofill-types
bibtex-autofill-types is a customizable variable defined in
bibtex.el.gz.
Value
("Proceedings")
Documentation
Automatically fill fields if possible for those BibTeX entry types.
Probably introduced at or before Emacs version 22.1.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/bibtex.el.gz
(defcustom bibtex-autofill-types '("Proceedings")
"Automatically fill fields if possible for those BibTeX entry types."
:group 'bibtex
:type '(repeat string))