xxdi.pl is a Perl script that implements vim's 'xxd -i' mode so that
packages do not have to use all of vim just to get this functionality.
References: #10555
Source: 97a6bd5cee/xxdi.pl
Signed-off-by: Petr Štetiar <ynezz@true.cz>
(cherry picked from commit 2117d04a3a)
