--- a/vendor/golang.org/x/net/html/render.go	Mon Jun 07 20:58:18 2021 +0200
+++ b/vendor/golang.org/x/net/html/render.go	Sun Jul 11 10:35:56 2021 +0200
@@ -263,7 +263,7 @@
 	"hr":     true,
 	"img":    true,
 	"input":  true,
-	"keygen": true,
+	"keygen": true, // "keygen" has been removed from the spec, but are kept here for backwards compatibility.
 	"link":   true,
 	"meta":   true,
 	"param":  true,