anchor.diff:  %% @doc Returns the list of success variable subtrees of an abstract
   %% try-expression.
   %%
  -%% @see c_try/3
  +%% @see c_try/5
   
   -spec try_vars(c_try()) -> [cerl()].
   
  
positive.code: %% X4]</code>.
  %%
  %% @see c_cons/2
  %% @see c_nil/1
  %% @see is_c_list/1
  %% @see list_length/1
  %% @see make_list/2
  
negative.code: %%
  %% @doc Returns the success body subtree of an abstract try-expression.
  %%
  %% @see c_try/5
  
  -spec try_body(c_try()) -> cerl().
  
  