<lang>ru</lang>
</title-info>
<document-info>
<author><first-name>Виктор</first-name><last-name>Вагнер</last-name></author>
<program-used>Perl</program-used>
<lang>ru</lang>
</title-info>
<document-info>
<author><first-name>Виктор</first-name><last-name>Вагнер</last-name></author>
<program-used>Perl</program-used>