code: def add_all_to_env(env):
      
      add_fortran_to_env(env)
      add_f77_to_env(env)
      add_f90_to_env(env)
      add_f95_to_env(env)
      add_f03_to_env(env)
      add_f08_to_env(env)
docs: Add builders and construction variables for all supported fortran
      dialects.