The Perl and Raku Conference 2025: Greenville, South Carolina - June 27-29 Learn more

#!/usr/local/bin/perl -00 -p
use 5.010;
s/^/\xA0/;
s/$/\xA0/;
s/(.+)/ul($1)/ge;
s/^/\n\xA0/;
s/$/\xA0\n/;
sub ul {
local $_ = @_ ? shift() : $_;
s/(?=.)(\X)/$1\x{305}/g;
return $_;
}