# when multiple Subject: headers are present, so we follow suit:
my $subj = $hdr->header('Subject') // '';
$subj = '(no subject)' if $subj eq '';
- $ctx->{prev_subj} = [ split(/ /, subject_normalized($subj)) ];
$ctx->{cur} = $mid;
$ctx->{prev_attr} = '';
$ctx->{prev_level} = 0;