$ perl -d -e'binmode DB::OUT,":utf8"'

Loading DB routines from perl5db.pl version 1.28
Editor support available.

Enter h or `h h' for help, or `man perldebug' for more help.

main::(-e:1):   binmode DB::OUT,":utf8"
  DB<1> 

  DB<1> s
Debugged program terminated.  Use q to quit or R to restart,
  use o inhibit_exit to avoid stopping after program termination,
  h q, h R or h o to get additional info.  
  DB<1>  p "\x{224}"

##</code><code>##

  DB<1> p "\x{224}"
Wide character in print at (eval 5)[/usr/local/lib/perl5/5.8.8/perl5db.pl:628] line 2.
 at (eval 5)[/usr/local/lib/perl5/5.8.8/perl5db.pl:628] line 2
        eval '($@, $!, $^E, $,, $/, $\\, $^W) = @saved;package main; $^D = $^D | $DB::db_stop;
print {$DB::OUT}  "\\x{224}";

;' called at /usr/local/lib/perl5/5.8.8/perl5db.pl line 628
        DB::eval called at /usr/local/lib/perl5/5.8.8/perl5db.pl line 3410
        DB::DB called at -e line 1