diff -U3 -r truevision-0.3.10/src/density.cc truevision-0.3.10-patched/src/density.cc
--- truevision-0.3.10/src/density.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/density.cc	2003-03-15 18:38:29.000000000 -0500
@@ -49,7 +49,7 @@
 //**************************************
 // Constructeur
 //**************************************
-PovTexDensity::PovTexDensity( app_objs *appref, void (*asuicidal_func)(gpointer, gpointer), gpointer amother, bool is_top=true ) : MaterialItem( app_ref )
+PovTexDensity::PovTexDensity( app_objs *appref, void (*asuicidal_func)(gpointer, gpointer), gpointer amother, bool is_top ) : MaterialItem( app_ref )
 {
 num = ++count;
 char text[25];
@@ -74,7 +74,7 @@
 warp = new TvWidget_warp_rb( N_("Warp"), "WARP", NULL, app_ref );
 }
 
-void PovTexDensity::set_params( void (*asuicidal_func)(gpointer, gpointer), gpointer amother, bool is_top=true )
+void PovTexDensity::set_params( void (*asuicidal_func)(gpointer, gpointer), gpointer amother, bool is_top )
 {
 suicidal_func = asuicidal_func;
 mother = amother;
@@ -337,7 +337,7 @@
 if ( map_editor != NULL ) map_editor->flush();
 }
 
-void PovTexDensity::output_to_povray( ofstream & file, bool inmap = false )
+void PovTexDensity::output_to_povray( ofstream & file, bool inmap )
 {
 if ( !inmap ) file << "\n\t\t\tdensity {\n\t\t\t\t";
 
diff -U3 -r truevision-0.3.10/src/dlgutils.cc truevision-0.3.10-patched/src/dlgutils.cc
--- truevision-0.3.10/src/dlgutils.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/dlgutils.cc	2003-03-15 18:38:29.000000000 -0500
@@ -41,7 +41,7 @@
 }
 
 // Double box
-GtkWidget *dlg_double_box( GtkWidget *parent, GtkWidget* &vbox1, GtkWidget* &vbox2, bool packed = false )
+GtkWidget *dlg_double_box( GtkWidget *parent, GtkWidget* &vbox1, GtkWidget* &vbox2, bool packed )
 {
 GtkWidget *hbox = gtk_hbox_new( TRUE, 5 );
 if ( packed ) gtk_box_pack_start( GTK_BOX(parent), hbox, TRUE, TRUE, 1 );
diff -U3 -r truevision-0.3.10/src/mapedit.cc truevision-0.3.10-patched/src/mapedit.cc
--- truevision-0.3.10/src/mapedit.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/mapedit.cc	2003-03-15 18:38:29.000000000 -0500
@@ -28,7 +28,7 @@
 //********************************************
 // MAP ITEM
 //********************************************
-MapItem::MapItem( char *nom, float val = -1 )
+MapItem::MapItem( char *nom, float val)
 {
 name = nom;
 value = val;
diff -U3 -r truevision-0.3.10/src/material.cc truevision-0.3.10-patched/src/material.cc
--- truevision-0.3.10/src/material.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/material.cc	2003-03-15 18:38:29.000000000 -0500
@@ -66,7 +66,7 @@
 //**************************************
 // Add to list
 //**************************************
-void Material::add_to_list( GtkWidget *list, int position = -1 )
+void Material::add_to_list( GtkWidget *list, int position)
 {
 clist = GTK_CLIST( list );
 gchar *titre[] = { name->value() };
@@ -182,7 +182,7 @@
 item_type = ref.item_type;
 }
 
-void MaterialItem::add_to_tree( GtkCTree *tree, GtkCTreeNode *node , GtkCTreeNode *sibling = NULL )
+void MaterialItem::add_to_tree( GtkCTree *tree, GtkCTreeNode *node , GtkCTreeNode *sibling)
 {
 ctree = tree;
 parent_node = node;
diff -U3 -r truevision-0.3.10/src/matpov.cc truevision-0.3.10-patched/src/matpov.cc
--- truevision-0.3.10/src/matpov.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/matpov.cc	2003-03-15 18:38:29.000000000 -0500
@@ -600,7 +600,7 @@
 }
 
 
-void PovTexture::output_to_povray( ofstream & file, bool inmap = false )
+void PovTexture::output_to_povray( ofstream & file, bool inmap )
 {
 //if ( !is_used() ) return;
 
diff -U3 -r truevision-0.3.10/src/texnormal.cc truevision-0.3.10-patched/src/texnormal.cc
--- truevision-0.3.10/src/texnormal.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/texnormal.cc	2003-03-15 18:38:29.000000000 -0500
@@ -44,7 +44,7 @@
 //**************************************
 // Constructeurs & Destructeurs
 //**************************************
-PovTexNormal::PovTexNormal( app_objs *appref, bool mother = true ) : MaterialItem( app_ref )
+PovTexNormal::PovTexNormal( app_objs *appref, bool mother ) : MaterialItem( app_ref )
 {
 set_name( _("Normal") );
 item_type = TV_MITEM_NORMAL;
diff -U3 -r truevision-0.3.10/src/texpigment.cc truevision-0.3.10-patched/src/texpigment.cc
--- truevision-0.3.10/src/texpigment.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/texpigment.cc	2003-03-15 18:38:29.000000000 -0500
@@ -48,7 +48,7 @@
 //**************************************
 // Constructeur
 //**************************************
-PovTexPigment::PovTexPigment( app_objs *appref, bool mother = true ) : MaterialItem( appref )
+PovTexPigment::PovTexPigment( app_objs *appref, bool mother ) : MaterialItem( appref )
 {
 set_name( _("Pigment") );
 item_type = TV_MITEM_PIGMENT;
@@ -373,7 +373,7 @@
 }
 
 
-void PovTexPigment::output_to_povray( ofstream & file, bool in_map=false )
+void PovTexPigment::output_to_povray( ofstream & file, bool in_map )
 {
 if ( !used->value() ) return;
 if ( !in_map ) file << "\n\t\tpigment {\n\t\t\t";
diff -U3 -r truevision-0.3.10/src/tvwidgets.cc truevision-0.3.10-patched/src/tvwidgets.cc
--- truevision-0.3.10/src/tvwidgets.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/tvwidgets.cc	2003-03-15 18:38:29.000000000 -0500
@@ -56,7 +56,7 @@
 in_update = false;
 }
 
-void TvWidget::pack_widget( GtkWidget *box, bool tt, GtkWidget *target=NULL )
+void TvWidget::pack_widget( GtkWidget *box, bool tt, GtkWidget *target )
 {
 if ( tt && tooltip != NULL ) 
 	{
diff -U3 -r truevision-0.3.10/src/tvwidgets2.cc truevision-0.3.10-patched/src/tvwidgets2.cc
--- truevision-0.3.10/src/tvwidgets2.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/tvwidgets2.cc	2003-03-15 18:38:29.000000000 -0500
@@ -887,7 +887,7 @@
 const char *bfiletype_ext[bfiletype_num] = { "df3" };
 const char *bfiletype_def[bfiletype_num] = { " df3 " };
 
-TvWidget_blendmap::TvWidget_blendmap(  const char *name, const char *sname, const char *tooltip, app_objs *appref, bool is_colmap = false )
+TvWidget_blendmap::TvWidget_blendmap(  const char *name, const char *sname, const char *tooltip, app_objs *appref, bool is_colmap )
  : TvWidget( name, sname, tooltip, appref )
 {
 option_box = NULL;
diff -U3 -r truevision-0.3.10/src/undo.cc truevision-0.3.10-patched/src/undo.cc
--- truevision-0.3.10/src/undo.cc	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/undo.cc	2003-03-15 18:38:29.000000000 -0500
@@ -181,7 +181,7 @@
 }
 
 // Undo layers creation / deletion / move		
-void UndoRedoManager::push( UndoAction act, ObjectLayer *lay, int sens = -1 )
+void UndoRedoManager::push( UndoAction act, ObjectLayer *lay, int sens )
 {
 UndoItem *item = new UndoItem( act, lay, sens );
 UndoList.push_back( item );
@@ -191,7 +191,7 @@
 }
 
 // Undo materials creation / deletion / move		
-void UndoRedoManager::push( UndoAction act, Material *mat, int position = -1 )
+void UndoRedoManager::push( UndoAction act, Material *mat, int position )
 {
 UndoItem *item = new UndoItem( act, mat, position );
 UndoList.push_back( item );
@@ -231,7 +231,7 @@
 // The main function used
 // in fact it is also used for redo ;-)
 //***************************************************
-void UndoRedoManager::undo( bool doredo = false )
+void UndoRedoManager::undo( bool doredo )
 {
 // Define source & destination lists
 // The determine if we act as undo or redo...
diff -U3 -r truevision-0.3.10/src/undo.h truevision-0.3.10-patched/src/undo.h
--- truevision-0.3.10/src/undo.h	2002-01-01 06:43:01.000000000 -0500
+++ truevision-0.3.10-patched/src/undo.h	2003-03-15 18:38:29.000000000 -0500
@@ -65,7 +65,7 @@
 // one for undo and the other for redo
 //**********************************************************
 class UndoItem {
-	friend UndoRedoManager;
+	friend struct UndoRedoManager;
 
 	private:
 		UndoAction action;