Simplify reference navigation

pages/_header.xnode

@@ -12,7 +12,7 @@
 				?><a href="#{link.href}" class="#{active ? 'active' : nil}" aria-current="#{active ? 'page' : 'false'}">#{link.title}</a><?r
 			end ?>
 			<?r if github_url = base.source_code_uri ?>
-				<a href="#{github_url}" class="github" target="_blank" rel="noopener noreferrer" aria-label="View source on GitHub">GitHub <span aria-hidden="true">↗</span></a>
+				<a href="#{github_url}" class="github" target="_blank" rel="noopener noreferrer" aria-label="View source on GitHub">GitHub</a>
 			<?r end ?>
 		</div>
 		<div class="header-actions">

pages/reference/_declaration.xnode

@@ -2,8 +2,9 @@
 base = self[:base]
 symbol = self[:symbol]
 link = self[:link]
+inheritance = self[:inheritance] != false
 
-if symbol.respond_to?(:super_class)
+if inheritance && symbol.respond_to?(:super_class)
 	super_class = symbol.super_class
 end
 

pages/reference/show.xnode

@@ -30,7 +30,7 @@
 	if nested.any?
 	?>
 	<section>
-		<h2>Classes and Modules</h2>
+		<h2>Nested Classes and Modules</h2>
 
 		<dl class="nested-definitions">
 			<?r nested.each do |symbol|
@@ -40,7 +40,7 @@
 				end
 			?>
 			<div>
-				<dt>#{partial 'content:declaration', symbol: symbol, link: true}</dt>
+				<dt>#{partial 'content:declaration', symbol: symbol, link: true, inheritance: false}</dt>
 				<dd><?r unless description&.empty? ?>#{base.format(description, symbol)}<?r end ?></dd>
 			</div>
 			<?r end ?>

public/_static/site.css

@@ -170,10 +170,6 @@ header .sections .github {
 	opacity: 0.7;
 }
 
-header .sections .github span {
-	font-size: 0.85em;
-}
-
 header .sections .github:hover {
 	opacity: 1;
 }

test/utopia/project/serve.rb

@@ -45,6 +45,8 @@
 
 		expect(body).to be(:include?, "Project")
 		expect(body).to be(:include?, '<a href="/reference/index" class="" aria-current="false">Reference</a>')
+		expect(body).to be(:include?, 'aria-label="View source on GitHub">GitHub</a>')
+		expect(body).not.to be(:include?, "↗")
 	end
 
 	it "generates URL-like import map values" do
@@ -92,9 +94,13 @@
 	it "summarizes nested definitions" do
 		body = client.get("/reference/Utopia/Project/index").read
 
-		expect(body).to be(:include?, "Classes and Modules")
+		expect(body).to be(:include?, "Nested Classes and Modules")
 		expect(body).to be(:include?, '<dl class="nested-definitions">')
-		expect(body).to be(:include?, '<a href="/reference/Utopia/Project/Document/index">class Document</a>')
+
+		nested_definitions = body[/<dl class="nested-definitions">.*?<\/dl>/m]
+		expect(nested_definitions).to be(:include?, '<a href="/reference/Utopia/Project/Document/index">class Document</a>')
+		expect(nested_definitions).to be(:include?, '<a href="/reference/Utopia/Project/ReleasesDocument/index">class ReleasesDocument</a>')
+		expect(nested_definitions).not.to be(:include?, " &lt; ")
 		expect(body).to be(:include?, "Represents a Markdown document with optional source code cross-references.")
 	end
 end