- pdf_a_version => '3',
- pdf_a_conformance => 'B',
- producer => 'pdfTeX',
- timestamp => $timestamp, # 2019-11-05T15:26:20+01:00
- meta_data => {
- title => $self->displayable_name,
- author => $author,
- language => $pdf_language,
+ pdf_a_version => '3',
+ pdf_a_conformance => 'B',
+ producer => 'pdfTeX',
+ timestamp => $timestamp, # 2019-11-05T15:26:20+01:00
+ meta_data => {
+ title => $self->displayable_name,
+ author => $author,
+ language => $pdf_language,