Merge pull request #1995 from emlun/add-credprops-to-make

Add credProps client processing step to set authenticatorDisplayName

index.bs

@@ -6794,10 +6794,12 @@ This [=client extension|client=] [=registration extension=] and [=authentication
     </xmp>
 
 : Client extension processing
-::  [=map/Set=] <code>[=credentialCreationData/clientExtensionResults=]["{{AuthenticationExtensionsClientOutputs/credProps}}"]["rk"]</code>
-    to the value of the |requireResidentKey| parameter that was used in the
-    <a href='#CreateCred-InvokeAuthnrMakeCred'>invocation</a> of the [=authenticatorMakeCredential=]
-    operation.
+::  1. If processed during a [=registration ceremony=]:
+        1. Set {{CredentialPropertiesOutput/rk}} to the value of the |requireResidentKey| parameter that was used in the
+            <a href='#CreateCred-InvokeAuthnrMakeCred'>invocation</a> of the [=authenticatorMakeCredential=]
+            operation.
+    1. Set {{CredentialPropertiesOutput/authenticatorDisplayName}} as described in its definition, using some client-specific procedure.
+        If no suitable value is found, let {{CredentialPropertiesOutput/authenticatorDisplayName}} be undefined.
 
 : Client extension output
 ::  <xmp class="idl">