>From 2a70a709dcbdb1ff7d00b20de8410935d725ac70 Mon Sep 17 00:00:00 2001
From: Anders Johansson <address@hidden>
Date: Thu, 31 Jan 2019 15:04:30 +0100
Subject: [PATCH] org-faces.el: Use regexp-opt in org-set-tag-faces

* org-faces.el (org-set-tag-faces): Use appropriate call to regexp-opt

TINYCHANGE
---
 lisp/org-faces.el | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lisp/org-faces.el b/lisp/org-faces.el
index 1ba5b5e..1b9118f 100644
--- a/lisp/org-faces.el
+++ b/lisp/org-faces.el
@@ -311,7 +311,7 @@ determines if it is a foreground or a background color."
   (if (not value)
       (setq org-tags-special-faces-re nil)
     (setq org-tags-special-faces-re
-	  (concat ":\\(" (mapconcat 'car value "\\|") "\\):"))))
+	  (concat ":" (regexp-opt (mapcar 'car value) t) ":"))))
 
 (defface org-checkbox '((t :inherit bold))
   "Face for checkboxes."
-- 
2.20.1