anchor.diff:    static final iOffset = allocate<Uint32>()..value = 0;
     static int iEnable;
   
  -  static FINDREPLACE pfr;
  +  static Pointer<FINDREPLACE> pfr;
   
     static void SetWindowTitle(int hwnd, String titleName) {
       final caption = APP_NAME + ' - ' + (titleName ?? '(untitled)');
  
positive.code:         // Process "Find/Replace" messages
  
          if (message == messageFindReplace) {
            pfr = Pointer<FINDREPLACE>.fromAddress(lParam).ref;
  
            if (pfr.Flags & FR_DIALOGTERM == FR_DIALOGTERM) {
              hDlgModeless = NULL;
            }
  
            if (pfr.Flags & FR_FINDNEXT == FR_FINDNEXT) {
              if (!find.FindTextInEditWindow(hwndEdit, iOffset, pfr.addressOf)) {
                ShowOKMessage(hwnd, 'Text not found!');
              }
            }
  
            if ((pfr.Flags & FR_REPLACE == FR_REPLACE) ||
                (pfr.Flags & FR_REPLACEALL == FR_REPLACEALL)) {
              print('replaces: ' +
                  pfr.lpstrFindWhat.unpackString(256) +
                  ' with ' +
                  pfr.lpstrReplaceWith.unpackString(256));
              if (!find.ReplaceTextInEditWindow(
                  hwndEdit, iOffset, pfr.addressOf)) {
                ShowOKMessage(hwnd, 'Text not found!');
              }
            }
  
            if (pfr.Flags & FR_REPLACEALL == FR_REPLACEALL) {
              while (find.ReplaceTextInEditWindow(
                  hwndEdit, iOffset, pfr.addressOf)) {}
            }
  
            return 0;
  
negative.code:         SendMessage(hwndEdit, EM_LIMITTEXT, 32767, 0);
  
          file = NotepadFile(hwnd);
          font = NotepadFont(hwnd);
          find = NotepadFind();
  
          messageFindReplace = RegisterWindowMessage(TEXT(FINDMSGSTRING));
  