Commit CHANGES.txt for issue2551098 - rel="nofollow" for markdown2

Author: rouilj

CHANGES.txt

@@ -63,6 +63,11 @@ Features:
 - issue2551096 - enable markdown autolink for email and bare url's.
   Modify raw markdown adding appropriate link markers on the fly.
   (Cedric Krier)
+- issue2551098 - add rel="nofollow" for links generated by markdown2
+  backend and rel="nofollow noopener" for mistune and markdown
+  backends. Prevents link spam. noopener prevents security issue when
+  available. (John Rouillard)
+
 
 2020-07-13 2.0.0