| line | true | false | branch | 
 
| 23 | 0 | 0 | if ($#_ < 1) | 
 
| 27 | 0 | 0 | unless (defined $y) | 
 
| 34 | 0 | 0 | if ($@) | 
 
| 43 | 0 | 11 | if ($#_ < 1) | 
 
| 49 | 0 | 17 | if ($width != length $_) | 
 
| 87 | 0 | 27 | if ($#_ != 1) | 
 
| 119 | 9 | 18 | if ($h_char_abs_b > 0) | 
 
| 120 | 0 | 27 | if ($v_char_abs_b > 0) | 
 
| 137 | 18 | 9 | if ($h_char_abs_b == 0) | 
 
| 138 | 27 | 0 | if ($v_char_abs_b == 0) | 
 
| 142 | 19 | 8 | if (scalar keys %panes == 1) | 
 
| 151 | 4 | 12 | if ($map[$j][$i - 1] eq $map[$j][$i]) | 
 
| 196 | 0 | 0 | if ($map[$j - 1][$i] eq $map[$j][$i]) | 
 
| 241 | 0 | 0 | if ($#_ != 2) | 
 
| 251 | 0 | 0 | if ($i == 0) | 
 
| 256 | 0 | 0 | if ($j < $spos) { } | 
 
| 275 | 0 | 8 | if ($#_ != 2) | 
 
| 285 | 12 | 27 | if ($i == 0) | 
 
| 290 | 18 | 21 | if ($i < $spos) { } | 
 
| 309 | 0 | 35 | if ($#_ != 1) | 
 
| 312 | 0 | 35 | unless (defined $field) | 
 
| 331 | 0 | 14 | if ($#_ != 1) | 
 
| 349 | 0 | 0 | if (scalar @_ != 1) | 
 
| 354 | 0 | 0 | if (scalar @windows) |