Variable: preview--buframe-error
preview--buframe-error is a variable defined in preview.el.
Value
t
Documentation
When non-nil, issue a one-time error if loading buframe fails.
Source Code
;; Defined in ~/.emacs.d/elpa/auctex-14.2.0/preview.el
(defvar preview--buframe-error t
"When non-nil, issue a one-time error if loading buframe fails.")