| line | true | false | branch | 
 
| 44 | 54 | 4 | ref $head ? : | 
 
| 64 | 3 | 55 | if ${$head;} =~ /[^\x00-\xFF]/ | 
 
| 73 | 49 | 394 | if (/^\s+/ or not /^([^:]+):\s*(.*)/) { } | 
 
| 76 | 1 | 48 | unless @headers | 
 
| 79 | 46 | 2 | $headers[-1][0] =~ /\S/ ? : | 
 
| 119 | 400 | 59 | if (ref $$headers[$i + 1]) { } | 
 
| 196 | 87 | 78 | ref $_[0] ? : | 
 
| 204 | 10 | 68 | if (wantarray and not defined $index) { } | 
 
| 208 | 40 | 28 | unless defined $index | 
 
| 210 | 56 | 12 | $index >= 0 ? : | 
 
| 211 | 12 | 56 | if $index < 0 | 
 
| 213 | 158 | 95 | unless lc $$headers[$_ * 2] eq $lc_field | 
 
| 214 | 51 | 44 | if $index-- == 0 | 
 
| 252 | 1 | 25 | if $field =~ /[^\x00-\xFF]/ | 
 
| 253 | 1 | 25 | if grep /[^\x00-\xFF]/, @data | 
 
| 256 | 0 | 26 | if ($Email::Simple::GROUCHY) | 
 
| 257 | 0 | 0 | unless $field =~ /^[\x21-\x39\x3b-\x7e]+$/ | 
 
| 259 | 0 | 0 | unless $field =~ /^[\w-]+$/ | 
 
| 269 | 2 | 24 | if (@indices > @data) { } | 
 
|  | 15 | 9 | elsif (@data > @indices) { } | 
 
| 285 | 2 | 24 | wantarray ? : | 
 
| 305 | 0 | 9 | unless defined $field | 
 
| 308 | 0 | 9 | unless defined $value | 
 
| 356 | 5 | 4 | if (defined $n) | 
 
| 357 | 1 | 4 | if ($n < 0) | 
 
| 358 | 1 | 3 | if ($n > $#indices) | 
 
| 365 | 9 | 5 | if (ref $$headers[$i + 1]) | 
 
| 400 | 0 | 59 | unless exists $arg->{'at'} | 
 
| 402 | 0 | 59 | unless exists $arg->{'indent'} | 
 
| 409 | 21 | 38 | if ($line =~ /\n/) | 
 
| 410 | 1 | 20 | if ($line =~ s/\n([^\s\t])/\n$indent$1/g) { } | 
 
| 413 | 15 | 5 | unless $line =~ /\n$/ | 
 
| 418 | 0 | 39 | unless $arg->{'at'} and $arg->{'at'} > 0 | 
 
| 422 | 36 | 3 | if length $line <= $limit | 
 
| 434 | 33 | 0 | if ($line =~ s/^(.{0,$limit})(\s|\z)//) { } | 
 
| 436 | 5 | 28 | if length $line |