Index: trunk/doc/developer/io_lihata_ver.html
===================================================================
--- trunk/doc/developer/io_lihata_ver.html	(revision 19269)
+++ trunk/doc/developer/io_lihata_ver.html	(revision 19270)
@@ -69,5 +69,19 @@
 	The layer visibility bit is not saved any more - it was reset after load so
 	it only added noise to the file.
 
+<H2> lihata subcircuit </H2>
+	<H3> v4 </H3>
+	Initial version, used before board v6.
+
+	<H3> v6 </H3>
+	Used from board v6. Allows ps_proto_v6.
+
+<H2> ps_proto </H2>
+	<H3> v4 </H3>
+	Initial version, used before board v6.
+
+	<H3> v6 </H3>
+	Used from board v6. Features new layer type: PCB_LYT_MECH.
+
 </body>
 </html>