lisp_file_lexically_bound_p 1788 src/lread.c          if (lisp_file_lexically_bound_p (Qget_file_char))
lisp_file_lexically_bound_p 2666 src/lread.c      specbind (Qlexical_binding, lisp_file_lexically_bound_p (buf) ? Qt : Qnil);