anchor.diff:  -export([all/0,suite/0,groups/0,init_per_suite/1,end_per_suite/1,
   	 init_per_group/2,end_per_group/2,
   	 before_and_inside_if/1,
  -	 scotland/1,y_registers/1,protected/1]).
  +	 scotland/1,y_registers/1,protected/1,
  +	 maps/1]).
   
   suite() ->
       [{ct_hooks,[ts_install_cth]}].
  
positive.code:       [before_and_inside_if,
         scotland,
         y_registers,
         protected
        ]}].
  
  init_per_suite(Config) ->
  
negative.code: 	    {id({Profit})}
      end.
  
  maps(_Config) ->
      ok = evidence(#{0 => 42}).
  
  %% Cover handling of put_map in in split_block_label_used/2.
  evidence(#{0 := Charge}) when 0; #{[] => Charge} == #{[] => 42} ->
      ok.
  
  
  %%%
  %%% Common utilities.
  %%%
  