anchor.diff:  \usepackage{graphicx}
   
   \setlength{\parindent}{0pt}
  +
  +%% For better ragged right edges.
  +\usepackage{ragged2e}
  +
  +%% \usepackage[defaultlines=10000,all]{nowidow}
   
   \stockletter
   \pageletter
  
positive.code: 
  \title{Catalogue of the Library of the Arts and Letters Club of Toronto}
  \author{William Denton}
  \date{December 2021}
  
  \usepackage[T1]{fontenc}
  \usepackage[utf8]{inputenc}
  
negative.code: 
  \mainmatter
  
  \RaggedRight
  
  \twocolumn
  
  %%%
  