title: org-mode schedule weekly event for a period
body: <p>I would like to use agenda to keep track of my classes, assuming i have a com 355 class every week from march to june,</p>
  
  <pre><code>&lt;2010-03-23 Tue 10:40-12:10 +1w&gt;
  </code></pre>
  
  <p>this works but it schedules it indefinitely if i use,</p>
  
  <pre><code>&lt;2010-03-23 Tue 10:40-12:10 +1w&gt;-&lt;2010-06-23&gt;
  </code></pre>
  
  <p>it gets scheduled for everyday from march to june, how can i schedule this once a week for a period of time? </p>