<h3>Solution</h3>
There are pure javascript editor components that can be used for this task.
The source for the editor component is added to the repository. The html header or footer is prepared to include a javascript file and/or a CSS.
<br>
These two tips are from the mailing list:
Rene de Zwart 30. Oct. 2009

<a name="tinymce"></a>
<a name="tinymce"><h4>TinyMCE</h4></a>
<h4>TinyMCE</h4>
<p>
Source: <a href="http://tinymce.moxiecode.com/"> TinyMCE </a>
</p>
<h5> Example</h5>
<pre class="verbatim">
    mkdir tiny
    mkdir tiny/javascript

        ,width : '90%' } );
    }
  }
 </script>
</pre>


<a name="markitup"></a>
<a name="markitup"><h3>markitup!</h3></a>
<h3>markitup!</h3>
<p>
Source: <a href="http://markitup.jaysalvat.com/home/"> Markitup </a>
</p>
<h5> Example</h5>
<pre class="verbatim">
    mkdir markitup
    mkdir markitup/javascript