(tex-start-options-string): Quote the backslashes with more backslashes.

diff --git a/lisp/textmodes/tex-mode.el b/lisp/textmodes/tex-mode.el
index dc275bc5938020513a543c5c475e5b8336de2ffc..35009328e9a7dfa9094f3aa0d35aa32a7c62485e 100644 (file)
--- a/lisp/textmodes/tex-mode.el
+++ b/lisp/textmodes/tex-mode.el
@@ -96,7 +96,7 @@ at the end, with blanks as separators."
   :type 'string
   :group 'tex-run)
 
-(defcustom tex-start-options-string "\\nonstopmode\\input"
+(defcustom tex-start-options-string "\\\\nonstopmode\\\\input"
   "*TeX options to use when running TeX.
 These precede the input file name."
   :type 'string