add governance section stub; add changes section

Author: nicholascar

shacl12-shacl-shacl/index.html

@@ -357,8 +357,13 @@ <h2>Introduction</h2>
 			<p>TODO</p>
 		</section>
 
-		<section id="section">
-			<h2>Section</h2>
+		<section id="shapes">
+			<h2>Shapes</h2>
+			<p>TODO</p>
+		</section>
+
+		<section id="governance">
+			<h2>Governance</h2>
 			<p>TODO</p>
 		</section>
 
@@ -382,6 +387,18 @@ <h2>Acknowledgements</h2>
 			<p>Many people contributed to this document, including members of the RDF Data Shapes Working Group.</p>
 		</section>
 
+		<section class="appendix informative" id="changes-12">
+			<h2>Changes between SHACL 1.0 Core and SHACL 1.2 Core</h2>
+			<p>
+				SHACL 1.0 included the total information about SHACL-SHACL inline, within an Appendix, consisting of an
+				introductory paragraph and the SHACL-SHACL RDF data only. SHACL 1.2 has dedicated this entire Note to
+				define and describe SHACL-SHACL.
+			</p>
+			<p>
+				A reference to this Note is retained in SHACL 1.2 Core.
+			</p>
+		</section>
+
 <!--		<section class="appendix" id="issue-summary">-->
 <!--			&lt;!&ndash; A list of issues will magically appear here &ndash;&gt;-->
 <!--		</section>-->