- Remove misleading note about setCentralWidget()
- Connect copy/paste and undo/redo directly to the QTextEdit instead
of routing them via window
- Add the missing "About" menu
- Check for reject of QFileDialog
Change-Id: Ia7457fbedd762028bf2bcde99dfcfb50bbc97f1d
Reviewed-by: Paul Wicking <paul.wicking@qt.io>