:DESC
Creates a unicode box which also colors its contents.

:ARGS
-d critical -i box
:INPUT
    Aaargh, let go of me!
:OUTPUT-FILTER
:EXPECTED
    [0;31m▄[0m[31m▄[0m[37;41m CRITICAL [0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m[31m▄[0m
    [31m█[37;48;2;128;0;0m                         [31m█[0m
    [31m█[37;48;2;128;0;0m  Aaargh, let go of me!  [31m█[0m
    [31m█[37;48;2;128;0;0m                         [31m█[0m
    [31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m[31m▀[0m
:EOF
