Explicitly return byte sequences in export key operations

Author: twiss

spec/Overview.html

@@ -12415,7 +12415,8 @@ <h4>Operations</h4>
                       <ol>
                         <li>
                           <p>
-                            Let |data| be the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
+                            Let |data| be a [= byte sequence =] containing
+                            the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
                             |key|.
                           </p>
                         </li>
@@ -12958,7 +12959,8 @@ <h4>Operations</h4>
                       <ol>
                         <li>
                           <p>
-                            Let |data| be the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
+                            Let |data| be a [= byte sequence =] containing
+                            the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
                             |key|.
                           </p>
                         </li>
@@ -13584,7 +13586,8 @@ <h4>Operations</h4>
                       <ol>
                         <li>
                           <p>
-                            Let |data| be the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
+                            Let |data| be a [= byte sequence =] containing
+                            the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
                             |key|.
                           </p>
                         </li>
@@ -14069,7 +14072,8 @@ <h4>Operations</h4>
                       <ol>
                         <li>
                           <p>
-                            Let |data| be the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
+                            Let |data| be a [= byte sequence =] containing
+                            the raw octets of the key represented by {{CryptoKey/[[handle]]}} internal slot of
                             |key|.
                           </p>
                         </li>