##
line 925
<< next if($val =~ m{^\s*$}s); # Skip all whitespace content
>> next if (($self->{opt}->{suppressempty} or %$attr) and $val =~ m{^\s*$}s); # Skip all whitespace content
line 956
>> if (!$self->{opt}->{suppressempty} and scalar(keys %$attr) > 1 and $attr->{$self->{opt}->{contentkey}} =~ m{^\s*$}s) {
>> delete $attr->{$self->{opt}->{contentkey}};
>> }