Index: trunk/doc/user/07_io/io_easyeda/index.html
===================================================================
--- trunk/doc/user/07_io/io_easyeda/index.html	(revision 10682)
+++ trunk/doc/user/07_io/io_easyeda/index.html	(revision 10683)
@@ -159,5 +159,11 @@
 When loading an std sheet, this doesn't matter because the right slot
 symbols are embedded in the drawing at each component in the sheet file.
 
+<H4 autotoc="yes"> Loading pro sheet files without zip </H4>
+<p>
+sch-rnd can not load sheet files manually extracte from a zip file, but can
+read only the zip file. It is because how symbols are stored: in the pro
+variant symbols are not embedded in the sheet file but are stored as separate
+symbol files within the same zip. The sheet file makes sense only together with
+the symbols, thus the whole (unpacked) zip is required.
 
-