Improvements and changes to integrate bsddialog(1) with scripts in BASE.
Overview:
* New options. --and-widget, --keep-tite, --calendar.
* Change output format. Menus and --print-maxsize.
* Redefine sizing. Fixed rows, cols and menurows became at the most.
* Add DIAGNOSTICS. Error messages for bad arguments and options.
* Add keys. Space for --menu, fast keys for --msgbox and --yesno.
* Text. Change default text modification, add --cr-wrap.
See /usr/src/contrib/bsddialog/CHANGELOG '2022-09-24 Version 0.4'
for more detailed information.
Merge commit '9f24fda5a8e7ab8243e71473c7e2dc98b4877e64'
