Use lexical binding in fortran.el

* lisp/progmodes/fortran.el: Use lexical binding.
(fortran-make-syntax-propertize-function): Hoist use of lexical
variable to outside the 'eval' call.

diff --git a/lisp/progmodes/fortran.el b/lisp/progmodes/fortran.el
index abc860b9478a9619ae375236a504ad108a949769..206d1f2a05d89c31925e4260304cb2b5a153a7f9 100644 (file)
--- a/lisp/progmodes/fortran.el
+++ b/lisp/progmodes/fortran.el
@@ -1,4 +1,4 @@
-;;; fortran.el --- Fortran mode for GNU Emacs
+;;; fortran.el --- Fortran mode for GNU Emacs -*- lexical-binding: t -*-
 
 ;; Copyright (C) 1986, 1993-1995, 1997-2020 Free Software Foundation,
 ;; Inc.
@@ -495,13 +495,13 @@ This is used to fontify fixed-format Fortran comments."
   ;; `byte-compile', but simple benchmarks indicate that it's probably not
   ;; worth the trouble (about 0.5% of slow down).
   (eval                         ;I hate `eval', but it's hard to avoid it here.
-   '(syntax-propertize-rules
+   `(syntax-propertize-rules
      ("^[CcDd\\*]" (0 "<"))
      ;; We mark all chars after line-length as "comment-start", rather than
      ;; just the first one.  This is so that a closing ' that's past the
      ;; line-length will indeed be ignored (and will result in a string that
      ;; leaks into subsequent lines).
-     ((format "^[^CcDd\\*\t\n].\\{%d\\}\\(.+\\)" (1- line-length))
+     (,(format "^[^CcDd\\*\t\n].\\{%d\\}\\(.+\\)" (1- line-length))
       (1 "<")))))
 
 (defvar fortran-font-lock-keywords fortran-font-lock-keywords-1