amp-form: allow xssi-prefix for amphtml and amp4ads (#36884)

ampproject · Nov 11, 2021 · ee5a7b3 · ee5a7b3
1 parent 78fed1a
commit ee5a7b3
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/validator/validator-main.protoascii b/validator/validator-main.protoascii
@@ -2385,6 +2385,7 @@ tags {  # <form method=GET ...>
     }
     disallowed_value_regex: "__amp_source_origin"
   }
+  attrs: { name: "xssi-prefix" }
   attr_lists: "form-name-attr"
 }
 tags {  # <form method=POST ...>