diff -r dba9303a1a5c -r c810a11d11d9 xlinkobj.cpp
--- a/xlinkobj.cpp	Wed May 18 07:39:58 2005 +0000
+++ b/xlinkobj.cpp	Mon May 23 15:28:20 2005 +0000
@@ -88,6 +88,7 @@
 
 int XLinkObj::getWidth()
 {
+	cout << "XLO  w="<<width<<endl;
 	return width;
 }
 
@@ -112,10 +113,15 @@
 {
 	if (beginBranch && endBranch)
 	{
+		if (beginBranch==endBranch)
+		{	//FIXME debugging
+			cout << "XLO::activate  b=e="<<beginBranch->getHeading()<<endl;
+			return false;
+		}
 		xLinkState=activeXLink;
 		beginBranch->addXLink (this);
 		endBranch->addXLink (this);
-		setVisibility (true);
+		setVisibility ();
 		return true;
 	} else
 		return false;
@@ -266,17 +272,27 @@
 
 QString XLinkObj::saveToDir ()
 {
-	QString s;
-	if (beginBranch && endBranch)
+	QString s="";
+	if (beginBranch && endBranch &&xLinkState==activeXLink)
 	{
-		QString colAttr=attribut ("color",color.name());
-		QString widAttr=attribut ("width",QString().setNum(width,10));
-		QString begSelAttr=attribut ("beginBranch",beginBranch->getSelectString());
-		QString endSelAttr=attribut ("endBranch",  endBranch->getSelectString());
-		s=beginElement ("xlink", colAttr +widAttr +begSelAttr +endSelAttr);
+		if (beginBranch==endBranch && xLinkState)
+		{
+			//FIXME testing
+			//cout << "   identical ends: "<<beginBranch->getSelectString()<<endl;
+			s="";
+		} else
+		{
+			QString colAttr=attribut ("color",color.name());
+			QString widAttr=attribut ("width",QString().setNum(width,10));
+			QString begSelAttr=attribut ("beginBranch",beginBranch->getSelectString());
+			QString endSelAttr=attribut ("endBranch",  endBranch->getSelectString());
+			s=beginElement ("xlink", colAttr +widAttr +begSelAttr +endSelAttr);
 
-		s+=endElement ("xlink");
+			s+=endElement ("xlink");
+		}
 	}
+	//FIXME testing
+	//cout << s<<endl;
 	return s;
 }