anchor.diff:  %%% NONFICTION
   %%%
   
  -\part{Classified listing: nonfiction}
  +\part{Nonfiction}
   
   <% items.sort{|a, b| a[:ddc] <=> b[:ddc] }.each do |i| %>
   
  
positive.code: \resizebox{4in}{!}{Library}
  \vfill
  {\large Prepared by the Librarian, William Denton} \\[\baselineskip]
  2 July 2022\\[\baselineskip]
  }
  
  \cleardoublepage
  
negative.code: %%% DRAMA
  %%%
  
  \part{Drama}
  
  <% lastauthor = "" %>
  
  