Now that PSPP supports ZSAV format, can be very useful for the user to know which type of encoding being used on your computer. Usually PSPP uses Unicode, but this value was
not so common in SPSS, until version 21.
From the SPSS version 21, to start the program for the first time a dialog appears asking if you use the Unicode encoding or regionnal encoding.
This value is reflected in the status area "Unicode ON / OFF Unicode". It can be a small thing, but it can help users feel at home.
See: https://github.com/bedf/PSPP-dev-utilities/blob/master/spss-gui-screenshots/data-editor/SPSS_status_area.png
Regards
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Bastián Díaz