diff --git a/src/lib/bookoptions.rs b/src/lib/bookoptions.rs
index 59b2ff5..a9279ba 100644
--- a/src/lib/bookoptions.rs
+++ b/src/lib/bookoptions.rs
@@ -41,16 +41,16 @@ rendering.highlight:str:syntect                                      # {renderin
 rendering.highlight.theme:str:InspiredGitHub                         # {rendering_highlight_theme}
 rendering.initials:bool:false                                        # {rendering_initials}
 rendering.inline_toc:bool:false                                      # {inline_toc}
-rendering.inline_toc.name:str:\"{{{{{{loc_toc}}}}}}\"                        # {toc_name}
+rendering.inline_toc.name:str:\"{{{{loc_toc}}}}\"                        # {toc_name}
 rendering.num_depth:int:1                                            # {num_depth}
 rendering.chapter:str                                                # {chapter}
 rendering.part:str                                                   # {part}
 rendering.chapter.roman_numerals:bool:false                                  # {roman_numerals_chapters}
 rendering.part.roman_numerals:bool:true                                      # {roman_numerals_parts}
 rendering.part.reset_counter:bool:true                                      # {reset_counter}
-rendering.chapter.template:str:\"{{{{{{number}}}}}}. {{{{{{chapter_title}}}}}}\" # {chapter_template}
+rendering.chapter.template:str:\"{{{{number}}}}. {{{{chapter_title}}}}\" # {chapter_template}
 
-rendering.part.template:str:\"{{{{{{number}}}}}}. {{{{{{part_title}}}}}}\" # {part_template}
+rendering.part.template:str:\"{{{{number}}}}. {{{{part_title}}}}\" # {part_template}
 
 
 
@@ -72,8 +72,8 @@ html.highlight.js:tpl               # {highlight_js}
 html.highlight.css:tpl              # {highlight_css}
 html.side_notes:bool:false          # {side_notes}
 html.escape_nb_spaces:bool:true     # {nb_spaces}
-html.chapter.template:str:\"<h1 id = 'link-{{{{{{link}}}}}}'>{{{{#has_number}}}}<span class = 'chapter-header'>{{{{{{header}}}}}} {{{{{{number}}}}}}</span>{{{{#has_title}}}}<br />{{{{/has_title}}}}{{{{/has_number}}}}{{{{{{title}}}}}}</h1>\" # {html_chapter_template}
-html.part.template:str:\"<h2 class = 'part'>{{{{{{header}}}}}} {{{{{{number}}}}}}</h2> <h1 id = 'link-{{{{{{link}}}}}}' class = 'part'>{{{{{{title}}}}}}</h1>\" # {html_part_template}
+html.chapter.template:str:\"<h1 id = 'link-{{{{link}}}}'>{{% if has_number %}}<span class = 'chapter-header'>{{{{header}}}} {{{{number}}}}</span>{{% if has_title %}}<br />{{% endif %}}{{% endif %}}{{{{title}}}}</h1>\" # {html_chapter_template}
+html.part.template:str:\"<h2 class = 'part'>{{{{header}}}} {{{{number}}}}</h2> <h1 id = 'link-{{{{link}}}}' class = 'part'>{{{{title}}}}</h1>\" # {html_part_template}
 
 # {html_single_opt}
 html.standalone.template:tpl                # {single_html}
diff --git a/templates/html/template.css b/templates/html/template.css
index 22bfe69..43a1ec5 100644
--- a/templates/html/template.css
+++ b/templates/html/template.css
@@ -1,6 +1,6 @@
 /* Default  HTML CSS file includes default EPUB CSS file */
 
-{{{colors}}}
+{{colors}}
 
 p.first-para:first-letter {
     font-size: 300%;
@@ -199,4 +199,4 @@ footer p, #top p {
     max-width: 33em;
 }
 
-{{{additional_code}}}
+{{additional_code}}
diff --git a/templates/html_dir/template.html b/templates/html_dir/template.html
index f88a97e..a3a6f55 100644
--- a/templates/html_dir/template.html
+++ b/templates/html_dir/template.html
@@ -1,11 +1,11 @@
 <!DOCTYPE html>
-<html lang="{{{lang}}}">
+<html lang="{{lang}}">
   <head>
     <meta charset="utf-8">
     <meta name="generator" content="crowbook">
-    <meta name="author" content="{{{author_raw}}}">
+    <meta name="author" content="{{author_raw}}">
     <meta name="viewport" content="width=device-width">
-    {{{favicon}}}
+    {{favicon}}
     <title>{{title_raw}} - {{chapter_title_raw}}</title>
     <link rel = "stylesheet" href = "stylesheet.css" type = "text/css"
           />
@@ -20,32 +20,32 @@
     </script>
     {{/highlight_code}}
    <script>
-{{{script}}}
+{{script}}
    </script>
 
 
   </head>  
   <body>
-  {{{json_data}}}
+  {{json_data}}
   <nav id = "nav">
-    <h2><a href = "index.html">{{{title}}}</a></h2>
-    {{{toc}}}
+    <h2><a href = "index.html">{{title}}</a></h2>
+    {{toc}}
   </nav>
 
   <div id = "content">
-    {{{header}}}
+    {{header}}
     <div id = "page">
       <header>
         <div id = "menu">
 	  <img id = "menu-button" onclick="toggle();"
-               src="menu.svg" alt = "{{{loc_toc}}}" title = "{{{loc_toc}}}" />
+               src="menu.svg" alt = "{{loc_toc}}" title = "{{loc_toc}}" />
         </div>
       </header>
-      {{{prev_chapter}}}
-      {{{content}}}
-      {{{next_chapter}}}
+      {{prev_chapter}}
+      {{content}}
+      {{next_chapter}}
     </div>
-    {{{footer}}}
+    {{footer}}
   </div>
   </body>
 </html>
diff --git a/templates/html_single/template.html b/templates/html_single/template.html
index 32eddef..da12f83 100644
--- a/templates/html_single/template.html
+++ b/templates/html_single/template.html
@@ -1,80 +1,80 @@
 <!DOCTYPE html>
-<html lang="{{{lang}}}">
+<html lang="{{lang}}">
   <head>
     <meta charset="utf-8">
     <meta name="generator" content="crowbook">
     <meta name="viewport" content="width=device-width">
-    <meta name="author" content="{{{author_raw}}}">
-    {{{favicon}}}
+    <meta name="author" content="{{author_raw}}">
+    {{favicon}}
     <title>{{title_raw}}</title>
     <style type = "text/css">
-      {{{style}}}
+      {{style}}
     </style>
     <style type = "text/css" media = "print">
-      {{{print_style}}}
+      {{print_style}}
     </style>
     {{#highlight_code}}
     <style>
-      {{{highlight_css}}}
+      {{highlight_css}}
     </style>
-    <script src = "{{{highlight_js}}}"></script>
+    <script src = "{{highlight_js}}"></script>
     <script>
       hljs.initHighlightingOnLoad();
     </script>
     {{/highlight_code}}
    <script>
-{{{script}}}
+{{script}}
    </script>
 
 
   </head>
   <body>
-    {{{json_data}}}
+    {{json_data}}
     {{#has_toc}}
     <nav id = "nav">
       {{#one_chapter}}
       <div id = "nav-container">
         <div id="toolbar">
           <img id="book-button" alt="Display mode"
-               title = "{{{loc_display_all}}}"
-               src="{{{book_svg}}}"
+               title = "{{loc_display_all}}"
+               src="{{book_svg}}"
                onclick="javascript:switchAll()">
         </div>
       </div>
       {{/one_chapter}}
       <div id = "nav-title">
-        <h2><a href = "#link-0">{{{title}}}</a></h2>
+        <h2><a href = "#link-0">{{title}}</a></h2>
       </div>
-      {{{toc}}}
+      {{toc}}
     </nav>
     {{/has_toc}}
 
     <div id = "content">
-      {{{header}}}
+      {{header}}
       <div id = "page">
         <header>
 
           <div id = "menu">
 	    {{#has_toc}}
             <img id = "menu-button" onclick="toggle();"
-                 src="{{{menu_svg}}}"
-                 alt = "{{{loc_toc}}}" title = "{{{loc_toc}}}" />
+                 src="{{menu_svg}}"
+                 alt = "{{loc_toc}}" title = "{{loc_toc}}" />
             {{/has_toc}}
           </div>
-	  <h2 class="author">{{{author}}}</h2>
-          <h1 id = "link-0" class="title" >{{{title}}}</h1>
-	  {{#has_subtitle}}<h2 class = "subtitle">{{{subtitle}}}</h2>{{/has_subtitle}}
+	  <h2 class="author">{{author}}</h2>
+          <h1 id = "link-0" class="title" >{{title}}</h1>
+	  {{#has_subtitle}}<h2 class = "subtitle">{{subtitle}}</h2>{{/has_subtitle}}
 	  {{#has_autograph}}
 	  <div id = "autograph">
-	    {{{autograph}}}
+	    {{autograph}}
 	  </div>
 	  {{/has_autograph}}
         </header>
 
-        {{{content}}}
+        {{content}}
 
       </div>
-      {{{footer}}}
+      {{footer}}
     </div>
   </body>
 </html>
