title: XML document structure must start and end within the same entity
body: <p>I'm quite a newbie for the eclipse, and I'm just started to write some code(actually it's just copy and paste from the website)
  can anyone help me about this???
  *the error is appear on the last line </p>
  
  <pre><code>&lt;?xml version="1.0" encoding="utf-8"?&gt;
  &lt;LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
      android:layout_width="fill_parent"
      android:layout_height="match_parent"
      android:gravity="center"
      android:orientation="vertical" &gt;
  
      &lt;ToggleButton
          android:id="@+id/toggleButton1"
          android:layout_width="wrap_content"
          android:layout_height="wrap_content"
          &gt;
  
      &lt;/ToggleButton&gt;
  </code></pre>