Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr2x.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr2x.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr2x.java	(working copy)
@@ -32,7 +32,7 @@
 	 * @param writer Where to write it.
 	 */
 	public void writeSectData(ImgFileWriter writer) {
-		String lastName = "";
+		String lastName = null;
 
 		int size = getSizes().getStreetSizeFlagged();
 
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr22.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr22.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr22.java	(working copy)
@@ -64,7 +64,7 @@
 		int record = 0;
 
 		String lastCName = "";
-		String lastName = "";
+		String lastName = null;
 		int lastMapid = 0;
 		
 		for (SortKey<Mdr7Record> key : keys) {
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr28.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr28.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr28.java	(working copy)
@@ -39,7 +39,7 @@
 
 		int record = 0;
 		Mdr28Record mdr28 = null;
-		String lastName = "";
+		String lastName = null;
 		for (SortKey<Mdr13Record> key : keys) {
 			Mdr13Record region = key.getObject();
 
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr5.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr5.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr5.java	(working copy)
@@ -64,7 +64,7 @@
 		cities.clear();
 		int count = 0;
 		int lastMapId = 0;
-		String lastName = "";
+		String lastName = null;
 		for (SortKey<Mdr5Record> key : sortKeys) {
 			Mdr5Record c = key.getObject();
 			if (c.getMapIndex() != lastMapId || !c.getName().equals(lastName)) {
@@ -81,7 +81,7 @@
 	}
 
 	public void writeSectData(ImgFileWriter writer) {
-		String lastName = "";
+		String lastName = null;
 
 		int size20 = getSizes().getMdr20Size();
 		for (Mdr5Record city : cities) {
@@ -94,7 +94,7 @@
 			int region = city.getRegionIndex();
 
 			// Set flag only for a name that is different to the previous one
-			if (lastName.equals(city.getName()))
+			if (lastName == null || lastName.equals(city.getName()))
 				flag = 0;
 
 			lastName = city.getName();
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr21.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr21.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr21.java	(working copy)
@@ -60,7 +60,7 @@
 
 		Collections.sort(keys);
 
-		String lastName = "";
+		String lastName = null;
 		int lastMapid = 0;
 		int record = 0;
 		for (SortKey<Mdr7Record> key : keys) {
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr20.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr20.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr20.java	(working copy)
@@ -69,7 +69,7 @@
 
 		int[] mdr20 = new int[mdr5.getNumberOfItems() + 2];
 
-		String lastName = "";
+		String lastName = null;
 		int lastMapid = 0;
 		int record = 0;
 		for (SortKey<Mdr7Record> key : keys) {
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr29.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr29.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr29.java	(working copy)
@@ -38,7 +38,7 @@
 
 		// Sorted by name, for every new name we allocate a new 29 record and set the same one in every
 		// country with the same name.
-		String lastName = "";
+		String lastName = null;
 		Mdr29Record mdr29 = null;
 		for (SortKey<Mdr14Record> key : keys) {
 			Mdr14Record country = key.getObject();
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr24.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr24.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr24.java	(working copy)
@@ -42,7 +42,7 @@
 
 		Collections.sort(keys);
 
-		String lastName = "";
+		String lastName = null;
 		int lastMapIndex = 0;
 		int record = 0;
 		for (SortKey<Mdr14Record> key : keys) {
@@ -68,7 +68,7 @@
 	 * @param writer Where to write it.
 	 */
 	public void writeSectData(ImgFileWriter writer) {
-		String lastName = "";
+		String lastName = null;
 		for (Mdr14Record c : countries) {
 			putMapIndex(writer, c.getMapIndex());
 
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr25.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr25.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr25.java	(working copy)
@@ -47,7 +47,7 @@
 
 		Collections.sort(keys);
 
-		String lastName = "";
+		String lastName = null;
 		int record = 0;
 		for (SortKey<Mdr5Record> key : keys) {
 			record++;
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr26.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr26.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr26.java	(working copy)
@@ -47,7 +47,7 @@
 	}
 
 	private void addToIndex(List<SortKey<Mdr28Record>> sortList) {
-		String lastName = "";
+		String lastName = null;
 		int record26 = 0;
 		for (SortKey<Mdr28Record> key : sortList) {
 			record26++;
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr10.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr10.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr10.java	(working copy)
@@ -68,7 +68,7 @@
 			
 			Collections.sort(poiGroup);
 
-			String lastName = "";
+			String lastName = null;
 			for (Mdr10Record t : poiGroup) {
 
 				count++;
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr7.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr7.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr7.java	(working copy)
@@ -70,7 +70,7 @@
 	}
 
 	public void writeSectData(ImgFileWriter writer) {
-		String lastName = "";
+		String lastName = null;
 		for (Mdr7Record s : streets) {
 			addIndexPointer(s.getMapIndex(), s.getIndex());
 
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr27.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr27.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr27.java	(working copy)
@@ -50,7 +50,7 @@
 
 		Collections.sort(keys);
 
-		String lastName = "";
+		String lastName = null;
 		int record = 0;
 		for (SortKey<Mdr5Record> key : keys) {
 			record++;
Index: src/uk/me/parabola/imgfmt/app/mdr/Mdr23.java
===================================================================
--- src/uk/me/parabola/imgfmt/app/mdr/Mdr23.java	(revision 1845)
+++ src/uk/me/parabola/imgfmt/app/mdr/Mdr23.java	(working copy)
@@ -41,7 +41,7 @@
 		List<SortKey<Mdr13Record>> keys = MdrUtils.sortList(sort, list);
 		Collections.sort(keys);
 
-		String lastName = "";
+		String lastName = null;
 		int lastMapIndex = 0;
 		int record = 0;
 		for (SortKey<Mdr13Record> key : keys) {
@@ -66,7 +66,7 @@
 	 * @param writer Where to write it.
 	 */
 	public void writeSectData(ImgFileWriter writer) {
-		String lastName = "";
+		String lastName = null;
 		for (Mdr13Record reg : regions) {
 			putMapIndex(writer, reg.getMapIndex());
 
