$ perl -le " print chr hex q/C0/ " | od -tx1
0000000 c0 0d 0a
0000003

##</code><code>##

$ perl -le " binmode STDOUT , q/:utf8/; print chr hex q/C0/ " | od -tx1
0000000 c3 80 0d 0a
0000004

##</code><code>##

$ perl -MEncode -le " print decode(q/utf8/, chr hex q/C0/ )" | od -tx1
Wide character in print at -e line 1.
0000000 ef bf bd 0d 0a
0000005

##</code><code>##

$ perl -le " print chr hex q/C0/ " |od -tx1
0000000 c0 0d 0a
0000003

$ perl -le " print chr 255 " |od -tx1
0000000 ff 0d 0a
0000003

$ perl -le " print chr 256 " |od -tx1
Wide character in print at -e line 1.
0000000 c4 80 0d 0a
0000004

##</code><code>##

$ perl -le " use encoding q/utf8/; print chr 192 " |od -tx1
0000000 c3 80 0a
0000003