Updated documentation

lang/en/help/assignment/commentinline.html

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+<p align="center"><b>Comment inline</b></p>
+
+<p>If this option is selected, then the original submission will be 
+   copied into the feedback comment field during grading, making it 
+   easier to comment inline (using a different color, perhaps) or to 
+   edit the original text.</p>

lang/en/help/assignment/index.html

@@ -1 +1,13 @@
-<p>Assignments</p>

<ul>

  <li><a href="help.php?module=assignment&amp;file=assignmenttype.html">Assignment type</a> </li>

  <li><a href="help.php?module=assignment&amp;file=resubmit.html">Re-submit</a> </li>

</ul>
+<p>Assignments</p>
+
+<ul>
+
+  <li><a href="help.php?module=moodle&amp;file=assignment/types.html">Assignment types</a> </li>
+
+  <li><a href="help.php?module=assignment&amp;file=commentinline.html">Comment inline</a> </li>
+  <li><a href="help.php?module=assignment&amp;file=emailteachers.html">Email teachers</a> </li>
+  <li><a href="help.php?module=assignment&amp;file=resubmit.html">Re-submit</a> </li>
+
+</ul>
+
+

lang/en/help/assignment/type/offline.html

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+<p><b>Offline Activity</b></p>
+
+<p>This is useful when the assignment is performed outside of Moodle.  It could be 
+   something elsewhere on the web or face-to-face.</p>
+   
+<p>Students can see a description of the assignment, but can't upload files or anything.
+   Grading works normally, and students will get notifications of their grades.</p>

lang/en/help/assignment/type/online.html

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+<p><b>Online text</b></p>
+
+<p>This assignment type asks users to edit a text, using the normal
+   editing tools.  Teachers can grade them online, and even add inline 
+   comments or changes.</p>
+
+<p>(If you are familiar with older versions of Moodle, this assignment
+   type does the same thing as the old Journal module used to do.)</p>

lang/en/help/assignment/type/uploadsingle.html

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+<p><b>Upload a single file</b></p>
+
+<p>This type of assignment allows each participant to upload a single file, of any type.  </p>
+
+<p>This might be a Word processor document, or an image, a zipped web site, or 
+anything you ask them to submit.</p>
+

lang/en/help/assignment/types.html

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+<p align="center"><b>Assignment Types</b></p>
+
+<p>There are a growing number of assignment types available:</p>