Link QuickRef in nav

README.md

@@ -24,6 +24,7 @@ automatic, perfect-fidelity conversion between syntaxes.
     - [Preserves textual syntax](preserves-text.html), and
     - [Preserves machine-oriented binary syntax](preserves-binary.html)
  - [Preserves tutorial](TUTORIAL.html)
+ - [Quick Reference for Preserves syntax](cheatsheet.html)
  - [Canonical Form for Binary Syntax](canonical-binary.html)
  - [Syrup](https://github.com/ocapn/syrup#pseudo-specification), a
    hybrid binary/human-readable syntax for the Preserves data model
@@ -65,7 +66,6 @@ Implementations of the data model, plus Syrup transfer syntax:
 
 ## Additional resources
 
- - [Cheat sheet(s) for Preserves syntax](cheatsheet.html)
  - Some [conventions for common data types](conventions.html)
  - [Open questions](questions.html); see also the
    [issues list]({{page.projectpages}}/issues)

_layouts/page.html

@@ -17,6 +17,7 @@ extra_html_headers: >
   <div class="middle">
     <ul>
       <li><a href="{{site.baseurl}}/preserves.html">Core</a>
+      <li><a href="{{site.baseurl}}/cheatsheet.html">QuickRef</a>
       <li><a href="{{site.baseurl}}/preserves-schema.html">Schema</a>
       <li><a href="{{site.baseurl}}/preserves-path.html">Path</a>
     </ul>

cheatsheet.md

@@ -1,11 +1,16 @@
 ---
 no_site_title: true
-title: "Preserves Cheatsheets"
+title: "Preserves Quick Reference"
 ---
 
 Tony Garnock-Jones <tonyg@leastfixedpoint.com>  
 {{ site.version_date }}. Version {{ site.version }}.
 
+These are non-normative "reference card" definitions. See also the normative [semantics]({{
+site.baseurl }}/preserves.html), [text syntax specification]({{ site.baseurl
+}}/preserves-text.html) and [machine-oriented syntax specification]({{ site.baseurl
+}}/preserves-binary.html).
+
 ## Machine-Oriented Binary Syntax
 
 {% include cheatsheet-binary.md %}