diff --git a/src/gui/drop_down_list.cpp b/src/gui/drop_down_list.cpp
index 86608f09..d4760c5d 100644
--- a/src/gui/drop_down_list.cpp
+++ b/src/gui/drop_down_list.cpp
@@ -58,19 +58,22 @@ DropDownList::DropDownList(Window* parent, bool is_submenu, ValueViewer* viewer)
 	, mouse_down(false)
 	, selected_item(NO_SELECTION)
 	, open_sub_menu(nullptr)
-	, parent_menu(is_submenu ? static_cast<DropDownList*>(GetParent()) : nullptr)
+	, parent_menu(nullptr)
 	, hider(is_submenu ? nullptr : new DropDownHider(*this))
 	, viewer(viewer)
 	, item_size(100,1)
 	, icon_size(0,0)
-	, text_offset(0)
+	, text_offset(1)
 {
+	if (is_submenu) {
+		parent_menu = &dynamic_cast<DropDownList&>(*GetParent());
+	}
 	// determine item height
 	wxClientDC dc(this);
 	dc.SetFont(*wxNORMAL_FONT);
 	int h;
 	dc.GetTextExtent(_("X"), 0, &h);
-	item_size.height = h;
+	item_size.height = h + 2;
 }
 
 DropDownList::~DropDownList() {
@@ -127,7 +130,6 @@ void DropDownList::show(bool in_place, wxPoint pos) {
 		parent->PushEventHandler(hider);
 	}
 	// show
-//	oldSelectedItem = selectedItem;
 	if (selected_item == NO_SELECTION && itemCount() > 0) selected_item = 0; // select first item by default
 	mouse_down = false;
 	Window::Show();
@@ -152,7 +154,7 @@ void DropDownList::realHide() {
 //	onHide();
 	hideSubMenu();
 	if (parent_menu) {
-		parent_menu->open_sub_menu = 0;
+		parent_menu->open_sub_menu = nullptr;
 	} else {
 		redrawArrowOnParent();
 		// disconnect event handler
@@ -254,7 +256,7 @@ void DropDownList::drawItem(DC& dc, int y, size_t item) {
 	}
 	// draw text and icon
 	drawIcon(dc, marginW, y, item, item == selected_item);	
-	dc.DrawText(capitalize(itemText(item)), marginW + icon_size.width, y + text_offset);
+	dc.DrawText(capitalize(itemText(item)), marginW + icon_size.width + 1, y + text_offset);
 	// draw popup icon
 	if (submenu(item)) {
 		draw_menu_arrow(this, dc, wxRect(marginW, y, item_size.width, item_size.height), item == selected_item);
diff --git a/src/gui/value/choice.cpp b/src/gui/value/choice.cpp
index 1c72a43f..be8a2d02 100644
--- a/src/gui/value/choice.cpp
+++ b/src/gui/value/choice.cpp
@@ -35,6 +35,8 @@ ChoiceField::ChoiceP DropDownChoiceList::getChoice(size_t item) const {
 String DropDownChoiceList::itemText(size_t item) const {
 	if (isFieldDefault(item)) {
 		return field().default_name;
+	} else if (isGroupDefault(item)) {
+		return group->default_name;
 	} else {
 		ChoiceField::ChoiceP choice = getChoice(item);
 		return choice->name;
@@ -43,15 +45,15 @@ String DropDownChoiceList::itemText(size_t item) const {
 bool DropDownChoiceList::lineBelow(size_t item) const {
 	return isDefault(item);
 }
-DropDownList* DropDownChoiceList::submenu(size_t item) {
+DropDownList* DropDownChoiceList::submenu(size_t item) const {
 	if (isDefault(item)) return nullptr;
 	item -= hasDefault();
-	if (item < submenus.size()) submenus.resize(item + 1);
+	if (item >= submenus.size()) submenus.resize(item + 1);
 	if (submenus[item]) return submenus[item].get();
-	ChoiceField::ChoiceP choice = getChoice(item);
+	ChoiceField::ChoiceP choice = group->choices[item];
 	if (choice->isGroup()) {
 		// create submenu
-		submenus[item].reset(new DropDownChoiceList(GetParent(), true, cve, choice));
+		submenus[item].reset(new DropDownChoiceList(const_cast<DropDownChoiceList*>(this), true, cve, choice));
 	}
 	return submenus[item].get();
 }
diff --git a/src/gui/value/choice.hpp b/src/gui/value/choice.hpp
index a45770ad..a2f48c8f 100644
--- a/src/gui/value/choice.hpp
+++ b/src/gui/value/choice.hpp
@@ -50,7 +50,7 @@ class DropDownChoiceList : public DropDownList {
 	virtual bool          lineBelow(size_t item) const;
 	virtual String        itemText(size_t item) const;
 	virtual void          drawIcon(DC& dc, int x, int y, size_t item, bool selected) const;
-	virtual DropDownList* submenu(size_t item);
+	virtual DropDownList* submenu(size_t item) const;
 	
 	virtual void   select(size_t item);
 	virtual size_t selection() const;
@@ -58,7 +58,7 @@ class DropDownChoiceList : public DropDownList {
   private:
 	ChoiceValueEditor& cve;
 	ChoiceField::ChoiceP group;		///< Group this menu shows
-	vector<DropDownListP> submenus;
+	mutable vector<DropDownListP> submenus;
 	
 	inline const ChoiceField& field() const { return cve.field(); }
 	
diff --git a/src/util/string.cpp b/src/util/string.cpp
index d0f82dd6..668987b0 100644
--- a/src/util/string.cpp
+++ b/src/util/string.cpp
@@ -98,12 +98,12 @@ bool is_substr(const String& s, String::iterator it, const Char* cmp) {
 
 String capitalize(const String& s) {
 	String result = s;
-	bool afterSpace = true;
+	bool after_space = true;
 	FOR_EACH_IT(it, result) {
-		if (*it == ' ') {
-			afterSpace = true;
-		} else if (afterSpace) {
-			afterSpace = false;
+		if (*it == _(' ') || *it == _('/')) {
+			after_space = true;
+		} else if (after_space) {
+			after_space = false;
 			if (it != s.begin() &&
 			    (is_substr(result,it,_("is ")) || is_substr(result,it,_("the ")) ||
 			     is_substr(result,it,_("in ")) || is_substr(result,it,_("of "))  ||