Cleaned up intro

Author: geraintluff

proposals/json-schema-hypermedia.xml

@@ -71,7 +71,7 @@
         <abstract>
             <t>
                 JSON Schema is a JSON based format for defining the structure of JSON data.
-                This document specifies hyperlink- and hypermedia-related keywords for the JSON Schema format.
+                This document specifies hyperlink- and hypermedia-related keywords of JSON Schema.
             </t>
         </abstract>
     </front>
@@ -80,11 +80,16 @@
         <section title="Introduction">
             <t>
                 JSON Schema is a JSON based format for defining the structure of JSON data.
-                This document specifies hyperlink- and hypermedia-related keywords for the JSON Schema format.
+                This document specifies hyperlink- and hypermedia-related keywords of JSON Schema.
             </t>
             <t>
                 The term JSON Hyper-Schema is used to refer to a JSON Schema that uses these keywords.
             </t>
+
+            <t>
+                This specification will use the terminology defined by the JSON Schema core
+                specification. It is advised that readers have a copy of this specification.
+            </t>
         </section>
 
         <section title="Conventions and Terminology">
@@ -97,12 +102,6 @@
                 interpreted as described in <xref target="RFC2119">RFC 2119</xref>.
             </t>
 
-            <t>
-                The terms "JSON", "JSON text", "JSON value", "member", "element", "object", "array",
-                "number", "string", "boolean", "true", "false", and "null" in this document are to
-                be interpreted as defined in <xref target="RFC4627">RFC 4627</xref>.
-            </t>
-
             <t>
                 The terms "schema", "instance", "property" and "item" are to be interpreted as defined in the JSON Schema core definition [FIXME_LINK].
             </t>