diff --git a/cd_utils/cdutils_core.h b/cd_utils/cdutils_core.h
index e0ad692..5086188 100644
--- a/cd_utils/cdutils_core.h
+++ b/cd_utils/cdutils_core.h
@@ -33,7 +33,7 @@ public:
 	EVENT_HANDLER(void, K_Send);
 	EVENT_HANDLER(void, K_Request);
 
-	mutable CDSection k_;
+	CDSection k_;
 
 	void k_write(PIIODevice * d);
 	void k_read(PIIODevice * d);
diff --git a/cd_utils/cdutils_k.cpp b/cd_utils/cdutils_k.cpp
index e56651d..37f7a3d 100644
--- a/cd_utils/cdutils_k.cpp
+++ b/cd_utils/cdutils_k.cpp
@@ -33,9 +33,9 @@ const CDType KInterface::operator [](int v) const {
 
 
 CDSection & KInterface::section(int v) {
-	CDSection & ret = core->k_.section(v);
-	piCout << "[get section]" << v << ret.name;
-	return ret;
+//	CDSection & ret = core->k_.section(v);
+//	piCout << "[get section]" << v << ret.name;
+	return core->k_.section(v);
 }
 
 const CDSection KInterface::section(int v) const {
@@ -43,43 +43,17 @@ const CDSection KInterface::section(int v) const {
 }
 
 
-//CDSection & KInterface::section(const PIDeque<int> &path) {
-//	piCout << "error";  return root();
-//	PIDeque<int> spath = path;
-//	CDSection & rs = core->k_;
-//	CDSection trs = rs;
-//	piCout << "[get section from path]" << path << rs.name;
-//	PIString tab;
-//	while (!spath.isEmpty()) {
-//		piCout << "!1" << tab << rs.alias << rs.name;
-//		rs = rs.section(spath.take_front());
-//		tab += "   ";
-////	rs = trs;
-//	}
-//	piCout << "!2" << tab << rs.alias << rs.name;
-//	return rs;
-//}
-
-
-const CDSection KInterface::section(const PIDeque<int> &path) const {
+CDSection & KInterface::section(const PIDeque<int> &path) {
 	PIDeque<int> spath = path;
-	CDSection rs = core->k_;
-	CDSection trs = rs;
-	//piCout << "[get section from path]" << path << rs.name;
-	PIString tab;
+	CDSection * rs = &core->k_;
 	while (!spath.isEmpty()) {
-		//piCout << "!1" << tab << rs.alias << rs.name;
-		trs = rs.section(spath.take_front());
-		tab += "    ";
-		rs = trs;
+		rs = &rs->section(spath.take_front());
 	}
-	//piCout << "!2" << tab << rs.alias << rs.name;
-	return rs;
+	return *rs;
 }
 
 
 CDSection & KInterface::root() {
-	piCout << "[root]" << core->k_.name;
 	return core->k_;
 }
 
diff --git a/cd_utils/cdutils_k.h b/cd_utils/cdutils_k.h
index 61e7bbe..8e52631 100644
--- a/cd_utils/cdutils_k.h
+++ b/cd_utils/cdutils_k.h
@@ -21,8 +21,7 @@ public:
 	const CDType operator [](int v) const;
 	CDSection & section(int v);
 	const CDSection section(int v) const;
-//	CDSection & section(const PIDeque<int> &path);
-	const CDSection section(const PIDeque<int> &path) const;
+	CDSection & section(const PIDeque<int> &path);
 	CDSection & root();
 	const CDSection root() const;
 
diff --git a/cd_utils/cdutils_types.cpp b/cd_utils/cdutils_types.cpp
index 8866554..f25f196 100644
--- a/cd_utils/cdutils_types.cpp
+++ b/cd_utils/cdutils_types.cpp
@@ -36,7 +36,19 @@ CDType::CDType(int i, const PIString & n, const PIString & t, const PIString & v
 //	piCout << comment_.size() << comment_.toUTF8();
 //	debug_cnt = cdtype_debug_cnt;
 //	cdtype_debug_cnt++;
-//	piCout << "[CDType] create" << debug_cnt << index_ << ":" << name_ << ":" << type_ << ":" << value_s << ":" << value_d << ":" << formula_ << ":" << comment_ << ":" << (cd_type_ == cdK);
+//	piCout << "[CDType] create" << name_ << ":" << type_ << ":" << value_s << ":" << value_d << ":" << formula_ << ":" << comment_ << ":" << (cd_type_ == cdK);
+}
+
+
+PIString CDType::type() const {
+	if (type_.trimmed().isEmpty()) return "f";
+//	piCout << "type =" << type_.trimmed() << ";" << type_ << "#";
+	return type_;
+}
+
+
+void CDType::setFormula(const PIString &f) {
+	formula_ = f;
 }
 
 
@@ -97,9 +109,9 @@ int CDSection::sectionsCount() const {
 
 PIStringList CDSection::index_names() const {
 	PIStringList ret;
-	PIMap<int, CDType>::iterator i;
+	PIMap<int, CDType>::const_iterator i;
 	for (i = k.begin(); i != k.end(); ++i)
-		ret << i.value().name();
+		ret << i->second.name();
 	return ret;
 }
 
@@ -114,6 +126,10 @@ void CDSection::write(PIIODevice * d, const PIString & prefix) {
 		else l = "[" + prefix + ".k]";
 		l += "\n";
 		d->write(l.toUTF8());
+		l = "name = " + name + " \n";
+		d->write(l.toUTF8());
+		l = "alias = " + alias + " \n";
+		d->write(l.toUTF8());
 		PIMap<int, CDType>::iterator i;
 		for (i = k.begin(); i != k.end(); ++i) {
 			CDType & ck(i.value());
@@ -146,21 +162,23 @@ void CDSection::read(const void * ep) {
 	k.clear();
 	s.clear();
 	PIConfig::Entry & e(*(PIConfig::Entry*)ep);
+	name = e.getValue("k.name").value();
+	alias = e.getValue("k.alias").value();
 	PIConfig::Entry & kl = e.getValue("k");
 	for (int i = 0; i < kl.childCount(); ++i) {
 		const PIConfig::Entry * ke(kl.child(i));
-		int kid = ke->name().toInt();
+		bool ok = false;
+		int kid = ke->name().toInt(-1, &ok);
+//		piCout << "[read]" << ke->name() << ke->value() << ok;
 //		PIString n = ke->getValue("v").comment();
 //		PIString t = n.takeLeft(1);
-		k[kid] = CDType(kid, ke->getValue("v").comment(), ke->getValue("v").type(), ke->getValue("v").value(), ke->getValue("f").value(), ke->getValue("f").comment(), CDType::cdK);
+		if (ok) k[kid] = CDType(kid, ke->getValue("v").comment(), ke->getValue("v").type(), ke->getValue("v").value(), ke->getValue("f").value(), ke->getValue("f").comment(), CDType::cdK);
 	}
 	PIConfig::Entry & sl = e.getValue("s");
 	for (int i = 0; i < sl.childCount(); ++i) {
 		const PIConfig::Entry * se(sl.child(i));
 		int sid = se->name().toInt();
-		CDSection cs;
-		cs.read(se);
-		s[sid] = cs;
+		s[sid].read(se);
 	}
 //	piCout << "[CDSection] read end";
 }
@@ -181,7 +199,10 @@ void CDSection::update(CDSection & v, bool keep_names) {
 			}
 		}
 		if (v.k.contains(i.key())) {
-			k[i.key()] = v.k[i.key()];
+			PIString f = k[i.key()].formula_;
+			CDType & cdt = v.k[i.key()];
+			cdt.formula_ = f;
+			k[i.key()] = cdt;
 			used << i.key();
 		}
 	}
diff --git a/cd_utils/cdutils_types.h b/cd_utils/cdutils_types.h
index 2150547..52bb2fd 100644
--- a/cd_utils/cdutils_types.h
+++ b/cd_utils/cdutils_types.h
@@ -16,7 +16,7 @@ class CDSection;
 class CDType {
 	friend class CDSection;
 	friend class ::CD_Pult;
-	friend class ::CDKItem;
+	//friend class ::CDKItem;
 public:
 	enum cdT {cdNull, cdK, cdX, cdC};
 	CDType();
@@ -26,14 +26,15 @@ public:
 //	~CDType();
 	int index() const {return index_;}
 	PIString name() const {return name_;}
-	PIString type() const {return type_;}
+	PIString type() const;
 	PIString value() const {return value_s;}
 	PIString formula() const {return formula_;}
-	PIString comment() const {/*piCout << "[CDType] comment" << debug_cnt << name_ << comment_.size() << comment_;*/ return comment_;}
+	PIString comment() const {return comment_;}
 	double toDouble() const {return value_d;}
 	int toInt() const {return value_i;}
 	bool toBool() const {return value_b;}
 	cdT cd_type() const {return cd_type_;}
+	void setFormula(const PIString & formula);
 
 	operator double() const {return value_d;}
 
@@ -63,7 +64,7 @@ public:
 	bool test(int v) {return k.value(v).toBool();}
 	CDType & operator [](int v) {return k[v];}
 	const CDType operator [](int v) const {return k[v];}
-	CDSection & section(int v) {piCout << "[CDSection &]"; return s[v];}
+	CDSection & section(int v) {return s[v];}
 	const CDSection section(int v) const {return s[v];}
 
 	bool isEmpty() const {return k.isEmpty() && s.isEmpty();}
@@ -85,7 +86,7 @@ protected:
 	void update(CDSection & v, bool keep_names);
 	bool isSameStructure(CDSection & v);
 
-	mutable PIMap<int, CDType> k;
+	PIMap<int, CDType> k;
 	PIMap<int, CDSection> s;
 
 };
diff --git a/cd_utils/cdutilstest.cpp b/cd_utils/cdutilstest.cpp
index 38b718e..ff9e45a 100644
--- a/cd_utils/cdutilstest.cpp
+++ b/cd_utils/cdutilstest.cpp
@@ -62,6 +62,36 @@ private:
 #include "piscreentiles.h"
 PIScreen screen(false);
 int main(int argc, char *argv[]) {
+	PIString s;
+	int i = 0;
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = "";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = " ";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = "  ";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = " s ";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = "f  s  ";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	s = "   kjdfsnfv;kjsfd   ";
+	piCout << i++ << "!" << s << "!";
+	piCout << i << "!" << s.trimmed() << "!";
+	piCout << i << "!" << s.trim() << "!";
+	return 0;
 //	PIEthernet eth;
 //	eth.send("127.0.0.1:16102", PIByteArray("data\n", 5));
 //	eth.send("127.0.0.1:26102", PIByteArray("data\n", 5));
diff --git a/cd_utils/pult/cd_kmodel.cpp b/cd_utils/pult/cd_kmodel.cpp
index a89ba6b..37987cc 100644
--- a/cd_utils/pult/cd_kmodel.cpp
+++ b/cd_utils/pult/cd_kmodel.cpp
@@ -2,6 +2,8 @@
 #include "cdutils_k.h"
 #include "piqt.h"
 #include <QDebug>
+#include <QBrush>
+#include <QColor>
 
 using namespace CDUtils;
 
@@ -19,9 +21,8 @@ CDKItemModel::~CDKItemModel() {
 
 QVariant CDKItemModel::data(const QModelIndex &index, int role) const {
 	if (!index.isValid()) return QVariant();
-	if (role != Qt::DisplayRole && role != Qt::EditRole) return QVariant();
 	CDKItem *item = getItem(index);
-	return item->data(index.column());
+	return item->data(index.column(), role);
 }
 
 
@@ -94,7 +95,7 @@ void CDKItemModel::rebuildModel() {
 }
 
 
-void CDKItemModel::buildItem(CDKItem *it, CDSection r) {
+void CDKItemModel::buildItem(CDKItem *it, CDSection & r) {
 	//piCout << "build item" << r.name << r.alias;
 	PIMap<int, CDType>::iterator i;
 	for (i = r.k.begin(); i != r.k.end(); ++i) {
@@ -112,7 +113,7 @@ void CDKItemModel::internalRebuild() {
 	qDebug() << "[CDKItemModel]" << "internalRebuild()";
 	if (root) delete root;
 	root = new CDKItem(0, CDKItem::ItemCDSection, 0);
-	CDSection r = K.root();
+	CDSection & r = K.root();
 	buildItem(root, r);
 }
 
@@ -138,15 +139,23 @@ CDKItem::~CDKItem() {
 }
 
 
-QVariant CDKItem::data(int column) const {
-	CDSection rs = K.section(buildPath());
-	//piCout << rs.name << rs.alias << rs.count(false) << rs.sectionsCount() << K.root().name << K.root().alias <<K.root().count(false) << K.root().sectionsCount();
+QVariant CDKItem::data(int column, int role) const {
+	if (role == Qt::BackgroundRole) {
+		switch (type_) {
+			case ItemCDType: return QBrush(QColor(255, 250, 230));
+			case ItemCDSection: return QBrush(QColor(220, 220, 250));
+		}
+	}
+	if (role != Qt::DisplayRole && role != Qt::EditRole) return QVariant();
+	PIDeque<int> path = buildPath();
+	CDSection & rs = K.section(path);
+	CDSection s;
 	switch (type_) {
 		case ItemCDType:
 			switch (column) {
 				case 0: return QString::number(index_);
 				case 1: return PI2QString(rs[index_].name());
-				case 2: return PI2QString(rs[index_].type());
+				case 2: return stringType(rs[index_].type());
 				case 3: return PI2QString(rs[index_].formula());
 				case 4: return PI2QString(rs[index_].value());
 				case 5: return PI2QString(rs[index_].comment());
@@ -155,11 +164,12 @@ QVariant CDKItem::data(int column) const {
 			}
 		break;
 		case ItemCDSection:
-			rs = rs.section(index_);
+			s = rs.section(index_);
+//			piCout << rs.name << rs.alias << s.name << s.alias;
 			switch (column) {
 				case 0: return QString("[") + QString::number(index_) + QString("]");
-				case 1: return PI2QString(rs.alias);
-				case 2: return PI2QString(rs.name);
+				case 1: return PI2QString(s.alias);
+				case 2: return PI2QString(s.name);
 				default:
 				break;
 			}
@@ -171,7 +181,7 @@ QVariant CDKItem::data(int column) const {
 
 bool CDKItem::setData(int column, const QVariant &value) {
 	if (column == 3 && type_ == ItemCDType) {
-		//K.section(buildPath())[index_].formula_ = Q2PIString(value.toString());
+		K.section(buildPath())[index_].setFormula(Q2PIString(value.toString()));
 		return true;
 	}
 	return false;
@@ -186,7 +196,28 @@ PIDeque<int> CDKItem::buildPath() const {
 		p = p->parent_;
 	}
 	path.take_front();
-	//piCout << path;
 	return path;
 }
 
+
+QString CDKItem::stringType(const PIString & t) const {
+	QString n = PI2QString(t);
+	if (n.isEmpty()) return QString("");
+	switch (n[0].toLatin1()) {
+	case 'l': return QString("list"); break;
+	case 'b': return QString("bool"); break;
+	case 'n': return QString("int"); break;
+	case 'f': return QString("double"); break;
+	case 'c': return QString("color"); break;
+	case 'r': return QString("rect"); break;
+	case 'a': return QString("rect"); break;
+	case 'p': return QString("point"); break;
+	case 'v': return QString("vector"); break;
+	case 'i': return QString("IP"); break;
+	case 'e': return QString("enum"); break;
+	case 'F': return QString("file"); break;
+	case 'D': return QString("dir"); break;
+	}
+	return QString("double");
+}
+
diff --git a/cd_utils/pult/cd_kmodel.h b/cd_utils/pult/cd_kmodel.h
index b1b26ce..796c8d2 100644
--- a/cd_utils/pult/cd_kmodel.h
+++ b/cd_utils/pult/cd_kmodel.h
@@ -1,9 +1,13 @@
 #ifndef CD_KMODEL_H
 #define CD_KMODEL_H
 
-#include "cdutils_k.h"
+//#include "cdutils_k.h"
 #include <QAbstractItemModel>
+#include "pistring.h"
 
+namespace CDUtils {
+class CDSection;
+}
 class CDKItemModel;
 
 class CDKItem {
@@ -12,11 +16,12 @@ public:
 	enum CDKItemType{ItemCDType, ItemCDSection};
 	CDKItem(int index, CDKItemType type, CDKItem * parent);
 	~CDKItem();
-	QVariant data(int column) const;
+	QVariant data(int column, int role) const;
 	bool setData(int column, const QVariant & value);
 
 private:
 	PIDeque<int> buildPath() const;
+	QString stringType(const PIString & t) const;
 
 	CDKItem * parent_;
 	int index_;
@@ -40,7 +45,7 @@ public:
 	bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
 
 	void rebuildModel();
-	void buildItem(CDKItem * it, CDUtils::CDSection r);
+	void buildItem(CDKItem * it, CDUtils::CDSection &r);
 
 public slots:
 
diff --git a/cd_utils/pult/cd_pult.cpp b/cd_utils/pult/cd_pult.cpp
index 22e8f34..45007f6 100644
--- a/cd_utils/pult/cd_pult.cpp
+++ b/cd_utils/pult/cd_pult.cpp
@@ -398,6 +398,7 @@ void CD_Pult::updateKDesc(bool ask_move) {
 	addToList(trUtf8("Update K description file \"%1\"").arg(PI2QString(kdesc_file)), Qt::darkMagenta);
 	PIFile f(kdesc_file, PIIODevice::ReadOnly);
 	//piCout << "call K.update():";
+	K.root() = CDSection();
 	K.update(&f);
 	updateTree(ask_move);
 }
diff --git a/piqt/piqt.h b/piqt/piqt.h
index 5a3fd65..644cf23 100644
--- a/piqt/piqt.h
+++ b/piqt/piqt.h
@@ -11,9 +11,11 @@
 #include <QStringList>
 
 
-inline const QString PI2QString(const PIString & v) {return QString::fromLocal8Bit(v.data());}
+//inline const QString PI2QString(const PIString & v) {return QString::fromLocal8Bit(v.data());}
+inline const QString PI2QString(const PIString & v) {return QString::fromUtf8(v.dataUTF8());}
 
-inline const PIString Q2PIString(const QString & v) {return PIString(v.toLocal8Bit().data());}
+//inline const PIString Q2PIString(const QString & v) {return PIString(v.toLocal8Bit().data());}
+inline const PIString Q2PIString(const QString & v) {return PIString::fromUTF8(v.toUtf8().data());}
 
 
 inline const QStringList PI2QStringList(const PIStringList & v) {QStringList ret; piForeachC (PIString & s, v) ret << PI2QString(s); return ret;}