anchor.diff:  <%= key %>
   : <%= subcmd.desc %>
     <%- end -%>
  +
   <%- end -%>
   <%- if not(options.empty?) -%>
   
  
positive.code:   <%- options.each do |opt| -%>
  <%= option_heading(opt) %>
  : <%= opt.desc %>
    <%- end -%>
  <%- end -%>
  
  
negative.code: ## Arguments
  
    <%- arguments.each do |arg| -%>
  <%= arg.name %>
  : <%= arg.desc %>
    <%- end -%>
  
  <%- end -%>
  <%- if cmd.has_subcommands? -%>
  
  