interest+data: forbid unrecognized non-critical TLV before/inside Name
refs #4587
Change-Id: I58d0a402b8b1339eb8c301141a186d04419862aa
diff --git a/interest.rst b/interest.rst
index 8218007..caa6ba3 100644
--- a/interest.rst
+++ b/interest.rst
@@ -22,6 +22,9 @@
``CanBePrefix``, ``MustBeFresh``, ``InterestLifetime``, and ``ForwardingHint`` are optional elements to guide Interest matching or forwarding.
Interest can also include an optional ``Parameters`` element.
+As recommended by :ref:`TLV evolvability guidelines <evolvability>`, unrecognized non-critical TLV elements may appear in the Interest packet.
+However, they must not appear before the ``Name`` element.
+
Name
~~~~