From: Mark Wooding <mdw@distorted.org.uk>
Date: Sun, 25 Jun 2017 18:03:20 +0000 (+0100)
Subject: el/dot-emacs.el: Add hacking for LaTeX syntax highlighting.
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/profile/commitdiff_plain/8638f2f3e068b9a5409ed87edd7da4ee12a175f9

el/dot-emacs.el: Add hacking for LaTeX syntax highlighting.
---

diff --git a/el/dot-emacs.el b/el/dot-emacs.el
index d83057a..59c8536 100644
--- a/el/dot-emacs.el
+++ b/el/dot-emacs.el
@@ -3109,6 +3109,25 @@ (defun mdw-fontify-tex ()
 	 (list "[$^_{}#&]"
 	       '(0 mdw-punct-face)))))
 
+(eval-after-load 'font-latex
+  '(defun font-latex-jit-lock-force-redisplay (buf start end)
+     "Compatibility for Emacsen not offering `jit-lock-force-redisplay'."
+     ;; The following block is an expansion of `jit-lock-force-redisplay'
+     ;; and involved macros taken from CVS Emacs on 2007-04-28.
+     (with-current-buffer buf
+       (let ((modified (buffer-modified-p)))
+	 (unwind-protect
+	     (let ((buffer-undo-list t)
+		   (inhibit-read-only t)
+		   (inhibit-point-motion-hooks t)
+		   (inhibit-modification-hooks t)
+		   deactivate-mark
+		   buffer-file-name
+		   buffer-file-truename)
+	       (put-text-property start end 'fontified t))
+	   (unless modified
+	     (restore-buffer-modified-p nil)))))))
+
 ;;;--------------------------------------------------------------------------
 ;;; SGML hacking.