Use font-lock-maximum-decoration when setting fortran-font-lock-keywords.

diff --git a/lisp/progmodes/fortran.el b/lisp/progmodes/fortran.el
index f67d75a2aa69c1a91386f7f90e737289cf4111ac..8e9ef8277bcc44c1c3e052aa27e918a9c7e61d46 100644 (file)
--- a/lisp/progmodes/fortran.el
+++ b/lisp/progmodes/fortran.el
@@ -243,7 +243,9 @@ This does fairly subdued highlighting.")
   "For consideration as a value of `fortran-font-lock-keywords'.
 This does a lot more highlighting.")
 
-(defconst fortran-font-lock-keywords fortran-font-lock-keywords-1
+(defvar fortran-font-lock-keywords (if font-lock-maximum-decoration
+                                        fortran-font-lock-keywords-2
+                                      fortran-font-lock-keywords-1)
   "Additional expressions to highlight in Fortran mode.")
 
 (defvar fortran-mode-map ()