anchor.diff:      \setlength{\parskip}{8pt}
       \setlength{\parindent}{0pt}
       \centering
  -    \idtitlefont%
  +    <%= @polyglossia_default_language ? '' : '\idtitlefont' %>%
       \fontsize{<%= @id_title_1_font_size %>pt}{10.5pt}\selectfont
     }
     {%
  
positive.code:     % no line in footer (default)
    <% end %>
    \fancyhead[<%= @text_left_to_right ? 'EL,OR' : 'ER,OL' %>]{<%= "\\hrule height 0.19\pt \\kern 0.33\pt"  if @header_footer_rules_present %><%= @page_number_command %>} % outside
    \fancyhead[<%= @text_left_to_right ? 'ER' : 'EL' %>]{\headerfont\addfontfeature{LetterSpace=<%= @header_letter_space %>}<%= @header_text %>} % inside even
    \fancyhead[<%= @text_left_to_right ? 'OL' : 'OR' %>]{\headerfont\addfontfeature{LetterSpace=<%= @header_letter_space %>}<%= @header_title %>} % inside odd
    \RtFooterContent
  }
  \pagestyle{RtPageStyle} % apply custom pagestyle
  
negative.code:       \vspace*{4.6pt}%
        \setlength{\parskip}{0pt}
        \setlength{\parindent}{0pt}
        <%= @polyglossia_default_language ? '' : '\titlefont' %>%
        \fontsize{8pt}{10.5pt}\selectfont
        <%= @id_write_to_primary %>
        \raggedright
  