Index: trunk/src/examples/psu.lht
===================================================================
--- trunk/src/examples/psu.lht	(revision 994)
+++ trunk/src/examples/psu.lht	(revision 995)
@@ -51,6 +51,7 @@
 	ha:obj_direct.2 {
 		li:pens {
 			ha:pen.3 { shape=circle; size=250; color=#FF00FF; }
+			ha:pen.42 { shape=circle; size=250; color=#2222BB; }
 		}
 		li:objects {
 			ha:group_ref.20 {
@@ -81,13 +82,10 @@
 
 			ha:group.30 {
 				li:pens {
-					ha:pen.3 { shape=circle; size=250; color=#991111; }
-					ha:pen.4 { shape=circle; size=250; color=#2222BB; }
-					ha:pen.5 { shape=circle; size=250; color=#119911; }
 				}
 				li:objects {
-					ha:line.31 { x1=20000; y1=12000; x2=22000; y2=12000; pen=4; }
-					ha:line.32 { x1=22000; y1=16000; x2=22000; y2=12000; pen=4; }
+					ha:line.31 { x1=20000; y1=12000; x2=22000; y2=12000; pen=42; }
+					ha:line.32 { x1=22000; y1=16000; x2=22000; y2=12000; pen=42; }
 				}
 				ha:attrib {
 					uid=xxxxx3
Index: trunk/src/libcschem/Makefile.in
===================================================================
--- trunk/src/libcschem/Makefile.in	(revision 994)
+++ trunk/src/libcschem/Makefile.in	(revision 995)
@@ -44,6 +44,7 @@
 append /local/csch/OBJS [@
 	../plugins/io_lihata/io_lihata.o
 	../plugins/io_lihata/read.o
+	../plugins/io_lihata/write.o
 	../plugins/export_animator/export_animator.o
 	../plugins/export_tedax/export_tedax.o
 	../plugins/std_devmap/std_devmap.o
Index: trunk/src/plugins/io_lihata/io_lihata.c
===================================================================
--- trunk/src/plugins/io_lihata/io_lihata.c	(revision 994)
+++ trunk/src/plugins/io_lihata/io_lihata.c	(revision 995)
@@ -2,7 +2,7 @@
  *                            COPYRIGHT
  *
  *  cschem - modular/flexible schematics editor - libcschem (lihata format support)
- *  Copyright (C) 2018 Tibor 'Igor2' Palinkas
+ *  Copyright (C) 2018,2020 Tibor 'Igor2' Palinkas
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
@@ -30,6 +30,7 @@
 #include <libcschem/config.h>
 #include <libcschem/plug_io.h>
 #include "read.h"
+#include "write.h"
 
 static csch_plug_io_t lhtv1;
 
@@ -60,6 +61,7 @@
 	lhtv1.load_prio = io_lihata_load_prio;
 	lhtv1.load_sheet = io_lihata_load_sheet;
 	lhtv1.load_project = io_lihata_load_project;
+	lhtv1.save_sheet = io_lihata_save_sheet;
 	csch_plug_io_register(&lhtv1);
 	return 0;
 }
Index: trunk/src/plugins/io_lihata/write.c
===================================================================
--- trunk/src/plugins/io_lihata/write.c	(nonexistent)
+++ trunk/src/plugins/io_lihata/write.c	(revision 995)
@@ -0,0 +1,46 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  cschem - modular/flexible schematics editor - libcschem (lihata format support)
+ *  Copyright (C) 2020 Tibor 'Igor2' Palinkas
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.*
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  Contact:
+ *    Project page: http://repo.hu/projects/cschem
+ *    lead developer: email to cschem (at) igor2.repo.hu
+ *    mailing list: cschem (at) list.repo.hu (send "subscribe")
+ */
+
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <libcschem/config.h>
+#include <libcschem/message.h>
+#include <libcschem/cnc_pen.h>
+#include <libcschem/cnc_grp.h>
+#include <libcschem/cnc_line.h>
+#include <libcschem/cnc_conn.h>
+#include <libcschem/project.h>
+#include <liblihata/dom.h>
+#include <librnd/core/compat_misc.h>
+#include "write.h"
+
+int io_lihata_save_sheet(const char *fn, const char *fmt, const csch_sheet_t *dst)
+{
+	return -1;
+}
+
Index: trunk/src/plugins/io_lihata/write.h
===================================================================
--- trunk/src/plugins/io_lihata/write.h	(nonexistent)
+++ trunk/src/plugins/io_lihata/write.h	(revision 995)
@@ -0,0 +1,31 @@
+/*
+ *                            COPYRIGHT
+ *
+ *  cschem - modular/flexible schematics editor - libcschem (core library)
+ *  Copyright (C) 2020 Tibor 'Igor2' Palinkas
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.*
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ *  Contact:
+ *    Project page: http://repo.hu/projects/cschem
+ *    lead developer: email to cschem (at) igor2.repo.hu
+ *    mailing list: cschem (at) list.repo.hu (send "subscribe")
+ */
+
+
+#include <libcschem/concrete.h>
+
+int io_lihata_save_sheet(const char *fn, const char *fmt, const csch_sheet_t *dst);
+