Resizable: Document the need for ui-resizable-handle and ui-resizable-* classes for custom handles. Fixes jquery#98.

Author: scottgonzalez

entries/resizable.xml

@@ -75,7 +75,10 @@
 				<desc>A comma delimited list of any of the following: n, e, s, w, ne, se, sw, nw, all. The necessary handles will be auto-generated by the plugin.</desc>
 			</type>
 			<type name="Object">
-				<desc>The following keys are supported: { n, e, s, w, ne, se, sw, nw }. The value of any specified should be a jQuery selector matching the child element of the resizable to use as that handle. If the handle is not a child of the resizable, you can pass in the DOMElement or a valid jQuery object directly.</desc>
+				<desc>
+					<p>The following keys are supported: { n, e, s, w, ne, se, sw, nw }. The value of any specified should be a jQuery selector matching the child element of the resizable to use as that handle. If the handle is not a child of the resizable, you can pass in the DOMElement or a valid jQuery object directly.</p>
+					<p><em>Note: When generating your own handles, each handle must have the <code>ui-resizable-handle</code> class, as well as the appropriate <code>ui-resizable-{direction}</code> class, .e.g., <code>ui-resizable-s</code>.</em></p>
+				</desc>
 			</type>
 		</option>
 		<option name="helper" type="String" default="false">