(f90-indented-comment-re, f90-directive-comment-re)

(f90-break-delimiters): Mark these regexps as safe if they are strings.

lisp/progmodes/f90.el

@@ -213,13 +213,13 @@
   "*Regexp matching comments to indent as code."
   :type  'regexp
   :group 'f90-indent)
-;; FIXME are arbitrary regexps safe? Only used in looking-at.
+(put 'f90-indented-comment-re 'safe-local-variable 'stringp)
 
 (defcustom f90-directive-comment-re "!hpf\\$"
   "*Regexp of comment-like directive like \"!HPF\\\\$\", not to be indented."
   :type  'regexp
   :group 'f90-indent)
-;; FIXME are arbitrary regexps safe? Only used in looking-at.
+(put 'f90-directive-comment-re 'safe-local-variable 'stringp)
 
 (defcustom f90-beginning-ampersand t
   "*Non-nil gives automatic insertion of \& at start of continuation line."
@@ -246,7 +246,7 @@ matching this regexp that should not be split, and these are
 specified by the constant `f90-no-break-re'."
   :type  'regexp
   :group 'f90)
-;; FIXME are arbitrary regexps safe? Used in re-search-backward.
+(put 'f90-break-delimiters 'safe-local-variable 'stringp)
 
 (defcustom f90-break-before-delimiters t
   "*Non-nil causes `f90-do-auto-fill' to break lines before delimiters."