Variable: tex-print-file-extension
tex-print-file-extension is a customizable variable defined in
tex-mode.el.gz.
Value
".dvi"
Documentation
The TeX-compiled file extension for viewing and printing.
If you use pdflatex instead of latex, set this to ".pdf" and modify
tex-dvi-view-command and tex-dvi-print-command appropriately.
This variable was added, or its default value changed, in Emacs 25.1.
Probably introduced at or before Emacs version 25.1.
Source Code
;; Defined in /usr/src/emacs/lisp/textmodes/tex-mode.el.gz
(defcustom tex-print-file-extension ".dvi"
"The TeX-compiled file extension for viewing and printing.
If you use pdflatex instead of latex, set this to \".pdf\" and modify
`tex-dvi-view-command' and `tex-dvi-print-command' appropriately."
:type 'string
:group 'tex-view
:version "25.1")