// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "msgdlg.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#ifndef WX_PRECOMP
-#include <stdio.h>
-#include "wx/defs.h"
-#include "wx/utils.h"
-#include "wx/dialog.h"
-#include "wx/app.h"
 #include "wx/msgdlg.h"
-#include "wx/math.h"
+
+#ifndef WX_PRECOMP
+    #include <stdio.h>
+    #include "wx/utils.h"
+    #include "wx/dialog.h"
+    #include "wx/app.h"
+    #include "wx/math.h"
 #endif
 
 #include "wx/os2/private.h"
 
 IMPLEMENT_CLASS(wxMessageDialog, wxDialog)
 
-wxMessageDialog::wxMessageDialog(
-  wxWindow*                         pParent
-, const wxString&                   rsMessage
-, const wxString&                   rsCaption
-, long                              lStyle
-, const wxPoint&                    pPos
-)
+wxMessageDialog::wxMessageDialog( wxWindow*       WXUNUSED(pParent),
+                                  const wxString& rsMessage,
+                                  const wxString& rsCaption,
+                                  long            lStyle,
+                                  const wxPoint&  WXUNUSED(pPos) )
 {
     m_sCaption     = rsCaption;
     m_sMessage     = rsMessage;
     }
     return nAns;
 } // end of wxMessageDialog::ShowModal
-