conformance, design: swap

This swaps the Conformance and Design chapters, so that Design comes
before defining the remainder of the specification.  This harmonises
better with how other specifications are written.

Author: andreastt

index.html

@@ -89,23 +89,6 @@
 </section>
 
 
-<section>
-<h2>Conformance</h2>
-
-<p>
-All diagrams, examples, and notes in this specification are non-normative,
-as are all sections explicitly marked non-normative.
-Everything else in this specification is normative.
-
-<p>
-Conformance requirements phrased as algorithms
-or specific steps may be implemented in any manner,
-so long as the end result is equivalent.
-Algorithms in this document are typically written with readability,
-rather than performance, in mind.
-</section>
-
-
 <section class=informative>
 <h2>Design</h2>
 
@@ -153,6 +136,23 @@ <h3>Extensions</h3>
 </section> <!-- /Design Notes -->
 
 
+<section>
+<h2>Conformance</h2>
+
+<p>
+All diagrams, examples, and notes in this specification are non-normative,
+as are all sections explicitly marked non-normative.
+Everything else in this specification is normative.
+
+<p>
+Conformance requirements phrased as algorithms
+or specific steps may be implemented in any manner,
+so long as the end result is equivalent.
+Algorithms in this document are typically written with readability,
+rather than performance, in mind.
+</section>
+
+
 <section>
 <h2>Terminology</h2>