[elpa] externals/compat 7bef68b 84/99: Mark regexp-opt as part of regexp-opt.el

[ELPA Syncer]

branch: externals/compat
commit 7bef68b4ff20017ed4b2288d4958bf4d155b9809
Author: Philip Kaludercic <philipk@posteo.net>
Commit: Philip Kaludercic <philipk@posteo.net>

    Mark regexp-opt as part of regexp-opt.el
---
 compat-27.1.el | 1 +
 1 file changed, 1 insertion(+)

diff --git a/compat-27.1.el b/compat-27.1.el
index ddc94b3..e182585 100644
--- a/compat-27.1.el
+++ b/compat-27.1.el
@@ -453,6 +453,7 @@ in all cases, since that is the standard symbol for byte."
 
 (compat-advise regexp-opt (strings &optional paren)
   "Handle an empty list of strings."
+  :feature regexp-opt
   (if (null strings)
       (let ((re "\\`a\\`"))
         (cond ((null paren)