Quoting Vittorio Giovara (2016-10-14 00:23:08)
> This is needed for improved fate testing and it is modeled after
> -show_format_entry. The main behavioral difference is that when a print
> function is called with an empty key, rather than discarding it, the
> closes key in the hierarchy is used instead.

And why the difference?

Anton Khirnov
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