Add an "Implementation requirements" section for content{Encoding,MediaType}

Denis Laxalde · dlax · commit fbd958c2d6d4 · 2017-09-11T20:43:40.000+02:00
Similar to the one of "format" keyword, without the extensibility note.
diff --git a/jsonschema-validation.xml b/jsonschema-validation.xml
@@ -1009,6 +1009,14 @@
                 </t>
             </section>
 
+            <section title="Implementation requirements">
+                <t>
+                    Implementations MAY support keywords defined in this section.
+                    Should they choose to do so, they SHOULD offer an option to disable validation
+                    for these keywords.
+                </t>
+            </section>
+
             <section title="contentEncoding">
 
                 <t>
