[svn-r5999] Purpose:

Added an example for the -- option.
Platforms tested:
    Checked with IE browser.

doc/html/Tools.html

@@ -254,6 +254,9 @@ to convert files from HDF4 format to HDF5 format and vice versa.
             <dd>Size of block in hyperslab.
                 <br>
                 Default: 1 in all dimensions.</dd>
+        <dt><code>--</code></dt>
+            <dd>Indicate that all following arguments are non-options.
+	        E.g., to dump a file called `-f', use h5dump -- -f.</dd>
         <dt><em>file</em></dt>
             <dd>The file to be examined.</dd>
     <br><br>