- library: check symbol->primary for escape sequences also

- GUI: error message GS1_MODE -> GS1 mode
- GUI: sequence window: fix initial clear button status
- GUI: make acceptable for macOS; add iconset for macOS, install
- manual: update macOS Homebrew install info; add README.macos
- GUI: export window: add no. of sequences to results label

frontend_qt/exportwindow.h

@@ -1,6 +1,6 @@
 /*
     Zint Barcode Generator - the open source barcode generator
-    Copyright (C) 2009-2021 Robin Stuart <rstuart114@gmail.com>
+    Copyright (C) 2009-2022 Robin Stuart <rstuart114@gmail.com>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -16,10 +16,10 @@
     with this program; if not, write to the Free Software Foundation, Inc.,
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
-/* vim: set ts=4 sw=4 et : */
+/* SPDX-License-Identifier: GPL-3.0-or-later */
 
-#ifndef EXPORTWINDOW_H
-#define EXPORTWINDOW_H
+#ifndef Z_EXPORTWINDOW_H
+#define Z_EXPORTWINDOW_H
 
 #include "ui_extExport.h"
 #include "barcodeitem.h"
@@ -39,6 +39,9 @@ private slots:
 protected:
     BarcodeItem *m_bc;
     QString m_output_data;
+    QStringList m_dataList;
+    int m_lines;
 };
 
+/* vim: set ts=4 sw=4 et : */
 #endif