diff --git a/octomode.py b/octomode.py
index acc5603..a62fe84 100755
--- a/octomode.py
+++ b/octomode.py
@@ -26,18 +26,20 @@ APP.config.from_pyfile('settings.py')
 
 # ---
 
-# my attempt as showing helpful error messages.
+# My attempt as showing helpful error messages.
+# the class holds an error string to show in the error.html tempalte
+# for now mostly for when the space in the yaml meta is missing. 
 class MarkdownRenderError(RuntimeError):
     def __init__(self, kind, message, original):
         super().__init__(message)
         self.kind = kind
-        self.original = original
+        self.original = original      
 
 def get_pad_content(pad_name, ext=""):
     if ext:
         pad_name = f'{ pad_name }{ ext }'
 
-    print(pad_name)
+    # print(pad_name)
 
     arguments = { 
         'padID' : pad_name,
@@ -55,7 +57,7 @@ def get_pad_content(pad_name, ext=""):
 
     content = response['data']['text']
     # print("before: " + content)
-    print( "GET PAD CONTENT" )
+    # print( "GET PAD CONTENT" )
     for f in pad_content_filters:
         content = f(content)
     # print("after: " + content)
@@ -70,16 +72,13 @@ def all_pads():
 
     return response
 
-# get all pads that end in .md
+# get all pads that end in .md so we can show them on the frontpage
 def all_publications():
     pads = all_pads()
     pubs = []
-    print(pads)
     if(pads and pads['data'] and pads['data']['padIDs']):
         for pad in pads['data']['padIDs']:
-            # if extension is .md add it to pubs
             if pad.endswith('.md'):
-                # strip the .md
                 name = pad.removesuffix('.md')
                 pubs.append(name)
         return pubs
@@ -111,6 +110,10 @@ def create_pad_on_first_run(name, ext):
 def md_to_html(md_pad_content):
     # Convert Markdown to HTML
     # html = markdown.markdown(md_pad_content, extensions=['meta', 'attr_list']) # attr_list does not work
+    
+    # missing a sapce in the metadata block causes a crash,
+    # try to show a helpful error message...
+    # Maybe, we could fix the yaml instead? 
     try:
         html = pypandoc.convert_text(md_pad_content, 'html', format='md')
     except RuntimeError as exc:
@@ -153,13 +156,6 @@ def get_app_root():
         app_root = APP.config['APPLICATION_ROOT']
     return app_root
 
-
-# def apply_cover(html_str, cover):
-#     import html
-#     html_str = str(html_str)
-#     html_str = html_str.replace('class="cover"', "class='cover' style='background-image: url("+ cover +")'")
-#     return Markup(html_str)
-
 def get_meta(metadata, key, default=None):
     return metadata.get(key, [default])[0]
 
@@ -180,6 +176,7 @@ def clean_string(input_string):
     snake_case_string = re.sub(r'[\s!]+', '_', input_string)
     return snake_case_string.strip('_')
 
+@APP.template_filter('prettify') # use it in a template with | prettify
 def prettify_string(input_string):
     space_string = input_string.replace("_", " ")
     return space_string.title()
@@ -202,7 +199,7 @@ def index():
         return redirect(url_for("pad", name=name))
     else:
         pubs = all_publications()
-        return render_template('start.html', pubs = pubs, home_pad_url=APP.config['HOME_PAD_URL'], prettify_string=prettify_string)
+        return render_template('start.html', pubs = pubs, home_pad_url=APP.config['HOME_PAD_URL'])
 
 @APP.route('/<name>/')
 def main(name):
@@ -230,11 +227,11 @@ def pdf(name):
     url = f"{ app_root }/{name}/pagedjs.html"
     return render_template('pdf.html', url=url, name=name.strip(), pad_url=APP.config['PAD_URL'])
 
-@APP.route('/<name>/impose/')
-def impose(name):
-    app_root = get_app_root()
-    url = f"{ app_root }/{name}/imposed.html"
-    return render_template('pdf.html', url=url, name=name.strip(), pad_url=APP.config['PAD_URL'])
+# @APP.route('/<name>/impose/')
+# def impose(name):
+#     app_root = get_app_root()
+#     url = f"{ app_root }/{name}/imposed.html"
+#     return render_template('pdf.html', url=url, name=name.strip(), pad_url=APP.config['PAD_URL'])
 
 # //////////////////
 # RENDERED RESOURCES 
@@ -275,25 +272,26 @@ def pagedjs(name):
     title = get_meta(metadata, 'title', 'Untitled')
     cover = get_meta(metadata, 'cover', None)
 
+    print("impose?" + str(request.args.get("impose")))
     impose = False #request.args.get("impose") == "true"
     return render_template('pagedjs.html', name=name.strip(), pad_content=html, lang=lang, title=title, cover=cover, impose=impose)
 
-@APP.route('/<name>/imposed.html')
-def imposed(name):
-    # TO GENERATE THE IMPOSED WEBPAGE
-    md_pad_content = get_pad_content(name, ext='.md')
-    try:
-        html = md_to_html(md_pad_content)
-    except MarkdownRenderError as exc:
-        return render_markdown_error(name, exc)
-    metadata = get_md_metadata(md_pad_content)
-    lang = get_meta(metadata, 'language', 'en')
-    title = get_meta(metadata, 'title', 'Untitled')
-    cover = get_meta(metadata, 'cover', None)
+# @APP.route('/<name>/imposed.html')
+# def imposed(name):
+#     # TO GENERATE THE IMPOSED WEBPAGE
+#     md_pad_content = get_pad_content(name, ext='.md')
+#     try:
+#         html = md_to_html(md_pad_content)
+#     except MarkdownRenderError as exc:
+#         return render_markdown_error(name, exc)
+#     metadata = get_md_metadata(md_pad_content)
+#     lang = get_meta(metadata, 'language', 'en')
+#     title = get_meta(metadata, 'title', 'Untitled')
+#     cover = get_meta(metadata, 'cover', None)
     
-    impose = True #request.args.get("impose") == "true"
+#     impose = True #request.args.get("impose") == "true"
     
-    return render_template('pagedjs.html', name=name.strip(), pad_content=html, lang=lang, title=title, cover=cover, impose=impose)
+#     return render_template('pagedjs.html', name=name.strip(), pad_content=html, lang=lang, title=title, cover=cover, impose=impose)
 
 # //////////////////
 
diff --git a/templates/base.html b/templates/base.html
index 7cb041d..abd4a7c 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -2,26 +2,14 @@
 <html lang='en'>
 <head>
   <meta charset="utf-8" />
-  <title>{{ name }} in octomode</title>
+  <title>{{ name | prettify }} in octomode</title>
   <link rel="stylesheet" type="text/css" href="{{ url_for('static', filename='main.css') }}">
   {% block head %}
   {% endblock %}
 </head>
 <body>
-  <div id="wrapper">
-    {% block content %}
-    {% endblock %}
-  </div>
-</body>
-<script>
-window.addEventListener('load', function () {
-
-  // Insert the nav buttons, after the page is loaded
-  const nav = document.createElement('div');
-  nav.id = 'nav';
-
-  nav.innerHTML = `
-    <h1>{{ name }} <a href="{{ url_for('index') }}"><em class="octomode">in octomode</em></a></h1>
+  <div id="nav">
+    <h1>{{ name | prettify }} <a href="{{ url_for('index') }}"><em class="octomode">in octomode</em></a></h1>
     <div id="buttons">
 
       <a href="{{ url_for('pad', name=name) }}"><button>pad</button></a> 
@@ -36,13 +24,16 @@ window.addEventListener('load', function () {
 
       <a href="{{ url_for('pdf', name=name) }}"><button>layout</button></a>
 
-      <a href="{{ url_for('impose', name=name) }}"><button>impose</button></a>
-    </div>`;
+      
+    </div>
+  </nav>
+  <div id="wrapper">
+    {% block content %}
+    {% endblock %}
+  </div>
+</body>
 
-  document.body.insertBefore(nav, document.body.firstChild);
 
-})
-</script>
 {% block footer %}
 {% endblock %}
 </html>
diff --git a/templates/pdf.html b/templates/pdf.html
index c0fb711..f57dee7 100644
--- a/templates/pdf.html
+++ b/templates/pdf.html
@@ -1,9 +1,5 @@
 {% extends "base.html" %}
 
-{% block head %}
-<title>hallo</title>
-{% endblock %}
-
 {% block content %}
 <iframe id="pdf" name="pdf" src="{{ url }}"></iframe>
 {% endblock %}
@@ -25,8 +21,6 @@ window.addEventListener('load', function () {
       head.insertBefore(cssLink, head.firstChild);
 
       const nav = document.getElementById('buttons');
-      // insert the IMPOSE button
-      // const impose = '<a href="#"><button id="impose" onClick="impose()">impose</button></a>';
       
       // Insert the SAVE button
       const save = '<a href="#"><button id="save" onClick="printPage()" style="background-color: #66ee66;">save</button></a>';
diff --git a/templates/start.html b/templates/start.html
index f1368df..467e03f 100644
--- a/templates/start.html
+++ b/templates/start.html
@@ -19,7 +19,7 @@
       <p>Below a list of the publications on the server.</p>
     <ul>
     {% for pub in pubs %}
-      <li><a href="{{ url_for('pdf',name=pub)}}">{{prettify_string(pub)}}</a></li>
+      <li><a href="{{ url_for('pdf',name=pub)}}">{{pub | prettify}}</a></li>
     {% endfor %}
     </ul>
   </div>