diff --git a/src/theme/index.hbs b/src/theme/index.hbs
index 9a0951a6..e27f6aa3 100644
--- a/src/theme/index.hbs
+++ b/src/theme/index.hbs
@@ -1,315 +1,292 @@
 <!DOCTYPE HTML>
 <html lang="{{ language }}" class="sidebar-visible no-js {{ default_theme }}">
+    <head>
+        <!-- Book generated using mdBook -->
+        <meta charset="UTF-8">
+        <title>{{ title }}</title>
+        {{#if is_print }}
+        <meta name="robots" content="noindex" />
+        {{/if}}
 
-<head>
-    <!-- Book generated using mdBook -->
-    <meta charset="UTF-8">
-    <title>{{ title }}</title>
-    {{#if is_print }}
-    <meta name="robots" content="noindex" />
-    {{/if}}
+        <!-- Custom HTML head -->
+        {{> head}}
 
-    <!-- Custom HTML head -->
-    {{> head}}
+        <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
+        <meta name="description" content="{{ description }}">
+        <meta name="viewport" content="width=device-width, initial-scale=1">
+        <meta name="theme-color" content="#ffffff" />
 
-    <meta content="text/html; charset=utf-8" http-equiv="Content-Type">
-    <meta name="description" content="{{ description }}">
-    <meta name="viewport" content="width=device-width, initial-scale=1">
-    <meta name="theme-color" content="#ffffff" />
+        <link rel="shortcut icon" href="{{ path_to_root }}{{ favicon }}">
+        <link rel="stylesheet" href="{{ path_to_root }}css/variables.css">
+        <link rel="stylesheet" href="{{ path_to_root }}css/general.css">
+        <link rel="stylesheet" href="{{ path_to_root }}css/chrome.css">
+        <link rel="stylesheet" href="{{ path_to_root }}css/print.css" media="print">
 
-    <link rel="shortcut icon" href="{{ path_to_root }}{{ favicon }}">
-    <link rel="stylesheet" href="{{ path_to_root }}css/variables.css">
-    <link rel="stylesheet" href="{{ path_to_root }}css/general.css">
-    <link rel="stylesheet" href="{{ path_to_root }}css/chrome.css">
-    <link rel="stylesheet" href="{{ path_to_root }}css/print.css" media="print">
+        <!-- Fonts -->
+        <link rel="stylesheet" href="{{ path_to_root }}FontAwesome/css/font-awesome.css">
+        <link href="https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800" rel="stylesheet" type="text/css">
+        <link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500" rel="stylesheet" type="text/css">
 
-    <!-- Fonts -->
-    <link rel="stylesheet" href="{{ path_to_root }}FontAwesome/css/font-awesome.css">
-    <link
-        href="https://fonts.googleapis.com/css?family=Open+Sans:300italic,400italic,600italic,700italic,800italic,400,300,600,700,800"
-        rel="stylesheet" type="text/css">
-    <link href="https://fonts.googleapis.com/css?family=Source+Code+Pro:500" rel="stylesheet" type="text/css">
+        <!-- Highlight.js Stylesheets -->
+        <link rel="stylesheet" href="{{ path_to_root }}highlight.css">
+        <link rel="stylesheet" href="{{ path_to_root }}tomorrow-night.css">
+        <link rel="stylesheet" href="{{ path_to_root }}ayu-highlight.css">
 
-    <!-- Highlight.js Stylesheets -->
-    <link rel="stylesheet" href="{{ path_to_root }}highlight.css">
-    <link rel="stylesheet" href="{{ path_to_root }}tomorrow-night.css">
-    <link rel="stylesheet" href="{{ path_to_root }}ayu-highlight.css">
+        <!-- Custom theme stylesheets -->
+        {{#each additional_css}}
+        <link rel="stylesheet" href="{{ ../path_to_root }}{{ this }}">
+        {{/each}}
 
-    <!-- Custom theme stylesheets -->
-    {{#each additional_css}}
-    <link rel="stylesheet" href="{{ ../path_to_root }}{{ this }}">
-    {{/each}}
+        {{#if mathjax_support}}
+        <!-- MathJax -->
+        <script async type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
+        {{/if}}
+    </head>
+    <body>
+        <!-- Provide site root to javascript -->
+        <script type="text/javascript">
+            var path_to_root = "{{ path_to_root }}";
+            var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "{{ preferred_dark_theme }}" : "{{ default_theme }}";
+        </script>
 
-    {{#if mathjax_support}}
-    <!-- MathJax -->
-    <script async type="text/javascript"
-        src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML"></script>
-    {{/if}}
-</head>
+        <!-- Work around some values being stored in localStorage wrapped in quotes -->
+        <script type="text/javascript">
+            try {
+                var theme = localStorage.getItem('mdbook-theme');
+                var sidebar = localStorage.getItem('mdbook-sidebar');
 
-<body>
-    <!-- Provide site root to javascript -->
-    <script type="text/javascript">
-        var path_to_root = "{{ path_to_root }}";
-        var default_theme = window.matchMedia("(prefers-color-scheme: dark)").matches ? "{{ preferred_dark_theme }}" : "{{ default_theme }}";
-    </script>
+                if (theme.startsWith('"') && theme.endsWith('"')) {
+                    localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
+                }
 
-    <!-- Work around some values being stored in localStorage wrapped in quotes -->
-    <script type="text/javascript">
-        try {
-            var theme = localStorage.getItem('mdbook-theme');
-            var sidebar = localStorage.getItem('mdbook-sidebar');
+                if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
+                    localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
+                }
+            } catch (e) { }
+        </script>
 
-            if (theme.startsWith('"') && theme.endsWith('"')) {
-                localStorage.setItem('mdbook-theme', theme.slice(1, theme.length - 1));
+        <!-- Set the theme before any content is loaded, prevents flash -->
+        <script type="text/javascript">
+            var theme;
+            try { theme = localStorage.getItem('mdbook-theme'); } catch(e) { }
+            if (theme === null || theme === undefined) { theme = default_theme; }
+            var html = document.querySelector('html');
+            html.classList.remove('no-js')
+            html.classList.remove('{{ default_theme }}')
+            html.classList.add(theme);
+            html.classList.add('js');
+        </script>
+
+        <!-- Hide / unhide sidebar before it is displayed -->
+        <script type="text/javascript">
+            var html = document.querySelector('html');
+            var sidebar = 'hidden';
+            if (document.body.clientWidth >= 1080) {
+                try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch(e) { }
+                sidebar = sidebar || 'visible';
             }
+            html.classList.remove('sidebar-visible');
+            html.classList.add("sidebar-" + sidebar);
+        </script>
 
-            if (sidebar.startsWith('"') && sidebar.endsWith('"')) {
-                localStorage.setItem('mdbook-sidebar', sidebar.slice(1, sidebar.length - 1));
-            }
-        } catch (e) { }
-    </script>
-
-    <!-- Set the theme before any content is loaded, prevents flash -->
-    <script type="text/javascript">
-        var theme;
-        try { theme = localStorage.getItem('mdbook-theme'); } catch (e) { }
-        if (theme === null || theme === undefined) { theme = default_theme; }
-        var html = document.querySelector('html');
-        html.classList.remove('no-js')
-        html.classList.remove('{{ default_theme }}')
-        html.classList.add(theme);
-        html.classList.add('js');
-    </script>
-
-    <!-- Hide / unhide sidebar before it is displayed -->
-    <script type="text/javascript">
-        var html = document.querySelector('html');
-        var sidebar = 'hidden';
-        if (document.body.clientWidth >= 1080) {
-            try { sidebar = localStorage.getItem('mdbook-sidebar'); } catch (e) { }
-            sidebar = sidebar || 'visible';
-        }
-        html.classList.remove('sidebar-visible');
-        html.classList.add("sidebar-" + sidebar);
-    </script>
-
-    <nav id="sidebar" class="sidebar" aria-label="Table of contents">
-        <div class="sidebar-scrollbox">
-            {{#toc}}{{/toc}}
-        </div>
-        <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
-    </nav>
-
-    <div id="page-wrapper" class="page-wrapper">
-
-        <div class="page">
-            {{> header}}
-            <div id="menu-bar-hover-placeholder"></div>
-            <div id="menu-bar" class="menu-bar sticky bordered">
-                <div class="left-buttons">
-                    <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents"
-                        aria-label="Toggle Table of Contents" aria-controls="sidebar">
-                        <i class="fa fa-bars"></i>
-                    </button>
-                    <button id="theme-toggle" class="icon-button" type="button" title="Change theme"
-                        aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list">
-                        <i class="fa fa-paint-brush"></i>
-                    </button>
-                    <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
-                        <li role="none"><button role="menuitem" class="theme"
-                                id="light">{{ theme_option "Light" }}</button></li>
-                        <li role="none"><button role="menuitem" class="theme"
-                                id="rust">{{ theme_option "Rust" }}</button></li>
-                        <li role="none"><button role="menuitem" class="theme"
-                                id="coal">{{ theme_option "Coal" }}</button></li>
-                        <li role="none"><button role="menuitem" class="theme"
-                                id="navy">{{ theme_option "Navy" }}</button></li>
-                        <li role="none"><button role="menuitem" class="theme" id="ayu">{{ theme_option "Ayu" }}</button>
-                        </li>
-                    </ul>
-                    {{#if search_enabled}}
-                    <button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)"
-                        aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S"
-                        aria-controls="searchbar">
-                        <i class="fa fa-search"></i>
-                    </button>
-                    {{/if}}
-                </div>
-
-                <h1 class="menu-title">{{ book_title }}</h1>
-
-                <div class="right-buttons">
-                    <a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
-                        <i id="print-button" class="fa fa-print"></i>
-                    </a>
-                    {{#if git_repository_url}}
-                    <a href="{{git_repository_url}}" title="Git repository" aria-label="Git repository">
-                        <i id="git-repository-button" class="fa {{git_repository_icon}}"></i>
-                    </a>
-                    {{/if}}
-                </div>
+        <nav id="sidebar" class="sidebar" aria-label="Table of contents">
+            <div class="sidebar-scrollbox">
+                {{#toc}}{{/toc}}
             </div>
-
-            {{#if search_enabled}}
-            <div id="search-wrapper" class="hidden">
-                <form id="searchbar-outer" class="searchbar-outer">
-                    <input type="search" name="search" id="searchbar" name="searchbar"
-                        placeholder="Search this book ..." aria-controls="searchresults-outer"
-                        aria-describedby="searchresults-header">
-                </form>
-                <div id="searchresults-outer" class="searchresults-outer hidden">
-                    <div id="searchresults-header" class="searchresults-header"></div>
-                    <ul id="searchresults">
-                    </ul>
-                </div>
-            </div>
-            {{/if}}
-
-            <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
-            <script type="text/javascript">
-                document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
-                document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
-                Array.from(document.querySelectorAll('#sidebar a')).forEach(function (link) {
-                    link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
-                });
-            </script>
-
-            <div id="content" class="content">
-                <main>
-                    {{{ content }}}
-                </main>
-
-                <nav class="nav-wrapper" aria-label="Page navigation">
-                    <!-- Mobile navigation buttons -->
-                    {{#previous}}
-                    <a rel="prev" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters previous"
-                        title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
-                        <i class="fa fa-angle-left"></i>
-                    </a>
-                    {{/previous}}
-
-                    {{#next}}
-                    <a rel="next" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters next"
-                        title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
-                        <i class="fa fa-angle-right"></i>
-                    </a>
-                    {{/next}}
-
-                    <div style="clear: both"></div>
-                </nav>
-            </div>
-        </div>
-
-        <nav class="nav-wide-wrapper" aria-label="Page navigation">
-            {{#previous}}
-            <a rel="prev" href="{{ path_to_root }}{{link}}" class="nav-chapters previous" title="Previous chapter"
-                aria-label="Previous chapter" aria-keyshortcuts="Left">
-                <i class="fa fa-angle-left"></i>
-            </a>
-            {{/previous}}
-
-            {{#next}}
-            <a rel="next" href="{{ path_to_root }}{{link}}" class="nav-chapters next" title="Next chapter"
-                aria-label="Next chapter" aria-keyshortcuts="Right">
-                <i class="fa fa-angle-right"></i>
-            </a>
-            {{/next}}
+            <div id="sidebar-resize-handle" class="sidebar-resize-handle"></div>
         </nav>
 
-    </div>
+        <div id="page-wrapper" class="page-wrapper">
 
-    {{#if livereload}}
-    <!-- Livereload script (if served using the cli tool) -->
-    <script type="text/javascript">
-        var socket = new WebSocket("{{{livereload}}}");
-        socket.onmessage = function (event) {
-            if (event.data === "reload") {
+            <div class="page">
+                {{> header}}
+                <div id="menu-bar-hover-placeholder"></div>
+                <div id="menu-bar" class="menu-bar sticky bordered">
+                    <div class="left-buttons">
+                        <button id="sidebar-toggle" class="icon-button" type="button" title="Toggle Table of Contents" aria-label="Toggle Table of Contents" aria-controls="sidebar">
+                            <i class="fa fa-bars"></i>
+                        </button>
+                        <button id="theme-toggle" class="icon-button" type="button" title="Change theme" aria-label="Change theme" aria-haspopup="true" aria-expanded="false" aria-controls="theme-list">
+                            <i class="fa fa-paint-brush"></i>
+                        </button>
+                        <ul id="theme-list" class="theme-popup" aria-label="Themes" role="menu">
+                            <li role="none"><button role="menuitem" class="theme" id="light">{{ theme_option "Light" }}</button></li>
+                            <li role="none"><button role="menuitem" class="theme" id="rust">{{ theme_option "Rust" }}</button></li>
+                            <li role="none"><button role="menuitem" class="theme" id="coal">{{ theme_option "Coal" }}</button></li>
+                            <li role="none"><button role="menuitem" class="theme" id="navy">{{ theme_option "Navy" }}</button></li>
+                            <li role="none"><button role="menuitem" class="theme" id="ayu">{{ theme_option "Ayu" }}</button></li>
+                        </ul>
+                        {{#if search_enabled}}
+                        <button id="search-toggle" class="icon-button" type="button" title="Search. (Shortkey: s)" aria-label="Toggle Searchbar" aria-expanded="false" aria-keyshortcuts="S" aria-controls="searchbar">
+                            <i class="fa fa-search"></i>
+                        </button>
+                        {{/if}}
+                    </div>
+
+                    <h1 class="menu-title">{{ book_title }}</h1>
+
+                    <div class="right-buttons">
+                        <a href="{{ path_to_root }}print.html" title="Print this book" aria-label="Print this book">
+                            <i id="print-button" class="fa fa-print"></i>
+                        </a>
+                        {{#if git_repository_url}}
+                        <a href="{{git_repository_url}}" title="Git repository" aria-label="Git repository">
+                            <i id="git-repository-button" class="fa {{git_repository_icon}}"></i>
+                        </a>
+                        {{/if}}
+                    </div>
+                </div>
+
+                {{#if search_enabled}}
+                <div id="search-wrapper" class="hidden">
+                    <form id="searchbar-outer" class="searchbar-outer">
+                        <input type="search" name="search" id="searchbar" name="searchbar" placeholder="Search this book ..." aria-controls="searchresults-outer" aria-describedby="searchresults-header">
+                    </form>
+                    <div id="searchresults-outer" class="searchresults-outer hidden">
+                        <div id="searchresults-header" class="searchresults-header"></div>
+                        <ul id="searchresults">
+                        </ul>
+                    </div>
+                </div>
+                {{/if}}
+
+                <!-- Apply ARIA attributes after the sidebar and the sidebar toggle button are added to the DOM -->
+                <script type="text/javascript">
+                    document.getElementById('sidebar-toggle').setAttribute('aria-expanded', sidebar === 'visible');
+                    document.getElementById('sidebar').setAttribute('aria-hidden', sidebar !== 'visible');
+                    Array.from(document.querySelectorAll('#sidebar a')).forEach(function(link) {
+                        link.setAttribute('tabIndex', sidebar === 'visible' ? 0 : -1);
+                    });
+                </script>
+
+                <div id="content" class="content">
+                    <main>
+                        {{{ content }}}
+                    </main>
+
+                    <nav class="nav-wrapper" aria-label="Page navigation">
+                        <!-- Mobile navigation buttons -->
+                        {{#previous}}
+                            <a rel="prev" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+                                <i class="fa fa-angle-left"></i>
+                            </a>
+                        {{/previous}}
+
+                        {{#next}}
+                            <a rel="next" href="{{ path_to_root }}{{link}}" class="mobile-nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+                                <i class="fa fa-angle-right"></i>
+                            </a>
+                        {{/next}}
+
+                        <div style="clear: both"></div>
+                    </nav>
+                </div>
+            </div>
+
+            <nav class="nav-wide-wrapper" aria-label="Page navigation">
+                {{#previous}}
+                    <a rel="prev" href="{{ path_to_root }}{{link}}" class="nav-chapters previous" title="Previous chapter" aria-label="Previous chapter" aria-keyshortcuts="Left">
+                        <i class="fa fa-angle-left"></i>
+                    </a>
+                {{/previous}}
+
+                {{#next}}
+                    <a rel="next" href="{{ path_to_root }}{{link}}" class="nav-chapters next" title="Next chapter" aria-label="Next chapter" aria-keyshortcuts="Right">
+                        <i class="fa fa-angle-right"></i>
+                    </a>
+                {{/next}}
+            </nav>
+
+        </div>
+
+        {{#if livereload}}
+        <!-- Livereload script (if served using the cli tool) -->
+        <script type="text/javascript">
+            var socket = new WebSocket("{{{livereload}}}");
+            socket.onmessage = function (event) {
+                if (event.data === "reload") {
+                    socket.close();
+                    location.reload();
+                }
+            };
+
+            window.onbeforeunload = function() {
                 socket.close();
-                location.reload();
             }
-        };
+        </script>
+        {{/if}}
 
-        window.onbeforeunload = function () {
-            socket.close();
-        }
-    </script>
-    {{/if}}
+        {{#if google_analytics}}
+        <!-- Google Analytics Tag -->
+        <script type="text/javascript">
+            var localAddrs = ["localhost", "127.0.0.1", ""];
 
-    {{#if google_analytics}}
-    <!-- Google Analytics Tag -->
-    <script type="text/javascript">
-        var localAddrs = ["localhost", "127.0.0.1", ""];
+            // make sure we don't activate google analytics if the developer is
+            // inspecting the book locally...
+            if (localAddrs.indexOf(document.location.hostname) === -1) {
+                (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+                (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+                m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+                })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
 
-        // make sure we don't activate google analytics if the developer is
-        // inspecting the book locally...
-        if (localAddrs.indexOf(document.location.hostname) === -1) {
-            (function (i, s, o, g, r, a, m) {
-                i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () {
-                    (i[r].q = i[r].q || []).push(arguments)
-                }, i[r].l = 1 * new Date(); a = s.createElement(o),
-                    m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g; m.parentNode.insertBefore(a, m)
-            })(window, document, 'script', 'https://www.google-analytics.com/analytics.js', 'ga');
+                ga('create', '{{google_analytics}}', 'auto');
+                ga('send', 'pageview');
+            }
+        </script>
+        {{/if}}
 
-            ga('create', '{{google_analytics}}', 'auto');
-            ga('send', 'pageview');
-        }
-    </script>
-    {{/if}}
+        {{#if playpen_line_numbers}}
+        <script type="text/javascript">
+            window.playpen_line_numbers = true;
+        </script>
+        {{/if}}
+        
+        {{#if playpen_copyable}}
+        <script type="text/javascript">
+            window.playpen_copyable = true;
+        </script>
+        {{/if}}
 
-    {{#if playpen_line_numbers}}
-    <script type="text/javascript">
-        window.playpen_line_numbers = true;
-    </script>
-    {{/if}}
+        {{#if playpen_js}}
+        <script src="{{ path_to_root }}ace.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}editor.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}mode-rust.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}theme-dawn.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}theme-tomorrow_night.js" type="text/javascript" charset="utf-8"></script>
+        {{/if}}
 
-    {{#if playpen_copyable}}
-    <script type="text/javascript">
-        window.playpen_copyable = true;
-    </script>
-    {{/if}}
+        {{#if search_js}}
+        <script src="{{ path_to_root }}elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}mark.min.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}searcher.js" type="text/javascript" charset="utf-8"></script>
+        {{/if}}
 
-    {{#if playpen_js}}
-    <script src="{{ path_to_root }}ace.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}editor.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}mode-rust.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}theme-dawn.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}theme-tomorrow_night.js" type="text/javascript" charset="utf-8"></script>
-    {{/if}}
+        <script src="{{ path_to_root }}clipboard.min.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}highlight.js" type="text/javascript" charset="utf-8"></script>
+        <script src="{{ path_to_root }}book.js" type="text/javascript" charset="utf-8"></script>
 
-    {{#if search_js}}
-    <script src="{{ path_to_root }}elasticlunr.min.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}mark.min.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}searcher.js" type="text/javascript" charset="utf-8"></script>
-    {{/if}}
+        <!-- Custom JS scripts -->
+        {{#each additional_js}}
+        <script type="text/javascript" src="{{ ../path_to_root }}{{this}}"></script>
+        {{/each}}
 
-    <script src="{{ path_to_root }}clipboard.min.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}highlight.js" type="text/javascript" charset="utf-8"></script>
-    <script src="{{ path_to_root }}book.js" type="text/javascript" charset="utf-8"></script>
-
-    <!-- Custom JS scripts -->
-    {{#each additional_js}}
-    <script type="text/javascript" src="{{ ../path_to_root }}{{this}}"></script>
-    {{/each}}
-
-    {{#if is_print}}
-    {{#if mathjax_support}}
-    <script type="text/javascript">
-        window.addEventListener('load', function () {
-            MathJax.Hub.Register.StartupHook('End', function () {
+        {{#if is_print}}
+        {{#if mathjax_support}}
+        <script type="text/javascript">
+        window.addEventListener('load', function() {
+            MathJax.Hub.Register.StartupHook('End', function() {
                 window.setTimeout(window.print, 100);
             });
         });
-    </script>
-    {{else}}
-    <script type="text/javascript">
-        window.addEventListener('load', function () {
+        </script>
+        {{else}}
+        <script type="text/javascript">
+        window.addEventListener('load', function() {
             window.setTimeout(window.print, 100);
         });
-    </script>
-    {{/if}}
-    {{/if}}
-
-</body>
+        </script>
+        {{/if}}
+        {{/if}}
 
+    </body>
 </html>
