Describe permissions.

protocol.html

@@ -748,6 +748,8 @@ <h4 property="schema:name">Modifying Resources Using N3 Patches</h4>
 
                     <p><span about="" id="server-patch-n3-invalid" rel="spec:requirement" resource="#server-patch-n3-invalid"><span property="spec:statement"><span rel="spec:requirementSubject" resource="spec:Server">Servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> respond with a <code>400</code> status code if a patch document does not satisfy all of the above constraints.</span></span></p>
 
+                    <p><span about="" id="server-n3-patch-where" rel="spec:requirement" resource="#server-n3-patch-where"><span property="spec:statement">When <code>?conditions</code> is non-empty, <span rel="spec:requirementSubject" resource="spec:Server">servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> treat the request as a <a href="#read-operation">Read operation</a>.</span></span> <span about="" id="server-n3-patch-insert" rel="spec:requirement" resource="#server-n3-patch-insert"><span property="spec:statement">When <code>?insertions</code> is non-empty, <span rel="spec:requirementSubject" resource="spec:Server">servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> treat the request as an <a href="#append-operation">Append operation</a>.</span></span> <span about="" id="server-n3-patch-delete" rel="spec:requirement" resource="#server-n3-patch-delete"><span property="spec:statement">When <code>?deletions</code> is non-empty, <span rel="spec:requirementSubject" resource="spec:Server">servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> treat the request as a <a href="#read-operation">Read</a> and <a href="#write-operation">Write operation</a>.</span></span></p>
+
                     <p><span about="" id="server-patch-n3-semantics" rel="spec:requirement" resource="#server-patch-n3-semantics"><span property="spec:statement"><span rel="spec:requirementSubject" resource="spec:Server">Servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> process a patch resource against the target document as follows:</span></span></p>
                     <ol>
                       <li>Start from the RDF dataset in the target document, or an empty RDF dataset if the target resources does not exist yet.</li>