Change GitHub Actions workflow Ruby matrix

We can drop Ruby 2.4 from our test run matrix. It is beyond EOL.
Let's add 2.7 instead.

lib/gollum/public/assets/.sprockets-manifest-854e63efab177e012aa68e5d03e76814.json

@@ -1 +1 @@
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+{"files":{"app-f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5.js":{"logical_path":"app.js","mtime":"2021-07-10T00:40:20+09:00","size":136040,"digest":"f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5","integrity":"sha256-8FQB7jdPDH9I/CvAjjC09NtwWGH9WJXtcJmGg7ODv7U="},"editor-9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a.js":{"logical_path":"editor.js","mtime":"2021-07-10T00:42:29+09:00","size":744886,"digest":"9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a","integrity":"sha256-mIHQx65mMpPw46fnJynux+lA+mExhcB2cJt20pL1cDo="},"app-cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694.css":{"logical_path":"app.css","mtime":"2021-07-10T00:39:36+09:00","size":396625,"digest":"cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694","integrity":"sha256-yxIrTBdQD6peATy0MzT6/PLdfXL2lLBtlhb4sz/vtpQ="},"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css":{"logical_path":"criticmarkup.css","mtime":"2021-07-08T05:19:03+09:00","size":646,"digest":"31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4","integrity":"sha256-Ma5dMoK7uOe3w8mRfp+2jjMVprSnXabOxI0huIRpBcQ="},"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css":{"logical_path":"print.css","mtime":"2021-07-08T05:19:03+09:00","size":75,"digest":"512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb","integrity":"sha256-USSYw2i+DT+xuhBd+oQomuSDgOyfy++Ui9TiOwsJW/s="}},"assets":{"app.js":"app-f05401ee374f0c7f48fc2bc08e30b4f4db705861fd5895ed70998683b383bfb5.js","editor.js":"editor-9881d0c7ae663293f0e3a7e72729eec7e940fa613185c076709b76d292f5703a.js","app.css":"app-cb122b4c17500faa5e013cb43334fafcf2dd7d72f694b06d9616f8b33fefb694.css","criticmarkup.css":"criticmarkup-31ae5d3282bbb8e7b7c3c9917e9fb68e3315a6b4a75da6cec48d21b8846905c4.css","print.css":"print-512498c368be0d3fb1ba105dfa84289ae48380ec9fcbef948bd4e23b0b095bfb.css"}}

lib/gollum/public/gollum/stylesheets/template.scss.erb

@@ -510,14 +510,6 @@ a {
   border: none;
 }
 
-#head .header-title {
-  font-size: 1.5em;
-
-  @include largemobile-breakpoint {
-    font-size: 32px;
-  }
-}
-
 /* Highlights */
 
 .highlight {

lib/gollum/templates/commit.mustache

@@ -1,8 +1,6 @@
 <div id="wiki-wrapper" class="compare">
   <div id="head">
-    <h1 class="header-title text-center text-md-left py-4">
+    <h1 class="py-4">{{message}}</h1>
-      {{message}}
-    </h1>
     {{author}} commited {{authored_date}}
     <span class="px-2 float-right">commit <code>{{version}}</code></span>
   </div>

lib/gollum/templates/compare.mustache

@@ -1,13 +1,7 @@
 <div id="wiki-wrapper" class="compare">
 	<div id="head">
 		{{>navbar}}
-
+	  <h1 class="py-4"><span class="f1-light text-gray-light">Comparing versions of</span> {{name}}</h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      <span class="f1-light text-gray-light">
-        Comparing versions of
-      </span>
-      {{name}}
-    </h1>
 	</div>
 
 {{#message}}

lib/gollum/templates/create.mustache

@@ -1,10 +1,7 @@
 <div id="wiki-wrapper" class="create">
 <div id="head">
 	{{>navbar}}
-
+  <h1 class="py-4">Create New Page</h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      Create New Page
-    </h1>
 </div>
 <div id="wiki-content" class="create edit">
   <div class="tabnav">

lib/gollum/templates/edit.mustache

@@ -1,10 +1,7 @@
 <div id="wiki-wrapper" class="edit">
 <div id="head">
 	{{>navbar}}
-
+  <h1 class="py-4">Editing <strong>{{title}}</strong></h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      Editing <strong>{{title}}</strong>
-    </h1>
 </div>
 <div class="tabnav">
   <nav class="tabnav-tabs">

lib/gollum/templates/history.mustache

@@ -1,15 +1,8 @@
 <div id="wiki-wrapper" class="history">
 <div id="head">
 	{{>navbar}}
-
+  <h1 class="py-4"><span class="f1-light text-gray-light">History for</span> {{name}}</h1>
-  <h1 class="header-title text-center text-md-left py-4">
-    <span class="f1-light text-gray-light">
-      History for
-    </span>
-    {{name}}
-  </h1>
 </div>
-
 <div id="page-history">
 
   {{>pagination}}

lib/gollum/templates/latest_changes.mustache

@@ -1,10 +1,7 @@
 <div id="wiki-wrapper" class="history">
 <div id="head">
 	{{>navbar}}
-
+  <h1 class="py-4">{{title}}</h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      {{title}}
-    </h1>
 </div>
 
 {{>pagination}}

lib/gollum/templates/navbar.mustache

@@ -1,11 +1,4 @@
-<nav class="TableObject
+<nav class="TableObject actions pt-4 px-2 px-lg-0 overflow-x-scroll">
-            actions
-            border-bottom
-            border-md-0
-            p-2
-            pt-lg-4
-            px-lg-0
-            overflow-x-scroll">
   <div class="TableObject-item hide-lg hide-xl">
     {{>mobilenav}}
   </div>

lib/gollum/templates/overview.mustache

@@ -1,10 +1,7 @@
 <div id="wiki-wrapper" class="results">
 <div id="head" class="overview">
 	{{>navbar}}
-
+  <h1 class="py-4">{{title}}</h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      {{title}}
-    </h1>
 </div>
 <div id="overview">
 

lib/gollum/templates/search.mustache

@@ -1,13 +1,7 @@
 <div id="wiki-wrapper" class="results">
   <div id="head">
     {{>navbar}}
-
+    <h1 class="py-4"><span class="f1-light text-gray-light">Search results for</span> {{name}}</h1>
-    <h1 class="header-title text-center text-md-left py-4">
-      <span class="f1-light text-gray-light">
-        Search results for
-      </span>
-      {{name}}
-    </h1>
   </div>
 
 {{#has_results}}

lib/gollum/templates/wiki_content.mustache

@@ -1,7 +1,5 @@
 <div id="wiki-content" class="px-2 px-lg-0">
-  <h1 class="header-title text-center text-md-left pt-4">
+	<h1 class="pt-4">{{page_header}}</h1>
-    {{page_header}}
-  </h1>
 	<div class="breadcrumb">{{{breadcrumb}}}</div>
 
 	<div class="{{#has_header}}has-header{{/has_header}}{{#has_footer}} has-footer{{/has_footer}}{{#has_sidebar}} has-sidebar has-{{bar_side}}bar{{/has_sidebar}}{{#has_toc}} has-toc{{/has_toc}}">

test/test_app.rb

@@ -489,7 +489,7 @@ EOF
   test "previews content" do
     post "/gollum/preview", :content => 'abc', :format => 'markdown', :page => 'Samewise Gamgee.mediawiki'
     assert last_response.ok?
-    assert last_response.body.include?('Samewise Gamgee')
+    assert last_response.body.include?('Samewise Gamgee</h1>')
   end
   
   test 'throws an error when comparing two identical revisions for a page' do