Index: 07_io/index.html
===================================================================
--- 07_io/index.html	(revision 38030)
+++ 07_io/index.html	(revision 38031)
@@ -29,6 +29,7 @@
 		<ul class="toc">
 			<li><a href="3_1_export_openscad/index.html"> export_openscad: OpenSCAD 3d models </a>
 			<li><a href="3_2_export_xy/index.html"> export_xy: XY files for pick-and-place </a>
+			<li><a href="3_3_export_bom/index.html"> export_bom: Bill of Materials lists </a>
 		</ul>
 </ul>