hides old lesson guide

_episodes/01-design.md

@@ -4,6 +4,8 @@ redirect_to:
 - https://carpentries.github.io/curriculum-development/
 questions:
 - "How do we design lessons?"
+hidden: True
+
 ---
 
 Visit our [new curriculum development guide](https://carpentries.github.io/curriculum-development/).

_includes/syllabus.html

@@ -15,6 +15,8 @@
   {% endfor %}
   {% assign current = site.start_time %}
 
+
+
   <table class="table table-striped">
   <tr>
     {% if multiday %}<td class="col-md-1"></td>{% endif %}
@@ -22,7 +24,11 @@
     <td class="col-md-3"><a href="{{ relative_root_path }}{% link setup.md %}">Setup</a></td>
     <td class="col-md-7">Download files required for the lesson</td>
   </tr>
+
   {% for episode in site.episodes %}
+
+    {% unless episode.hidden %}
+
     {% if episode.start %} {% comment %} Starting a new day? {% endcomment %}
       {% assign day = day | plus: 1 %}
       {% if day > 1 %} {% comment %} If about to start day 2 or later, show finishing time for previous day {% endcomment %}
@@ -62,6 +68,9 @@
       </td>
     </tr>
     {% assign current = current | plus: episode.teaching | plus: episode.exercises | plus: episode.break %}
+
+   {% endunless %}
+   
   {% endfor %}
   {% assign hours = current | divided_by: 60 %}
   {% assign minutes = current | modulo: 60 %}
@@ -73,6 +82,7 @@
   </tr>
   </table>
 
+
   <p>
     The actual schedule may vary slightly depending on the topics and exercises chosen by the instructor.
   </p>