rb_econv_decorate_at 1814 transcode.c            return rb_econv_decorate_at(ec, decorator_name, 0);
rb_econv_decorate_at 1820 transcode.c            return rb_econv_decorate_at(ec, decorator_name, 1);
rb_econv_decorate_at 1822 transcode.c        return rb_econv_decorate_at(ec, decorator_name, 0);
rb_econv_decorate_at 1831 transcode.c            return rb_econv_decorate_at(ec, decorator_name, 0);
rb_econv_decorate_at 1837 transcode.c            return rb_econv_decorate_at(ec, decorator_name, ec->num_trans-1);
rb_econv_decorate_at 1839 transcode.c        return rb_econv_decorate_at(ec, decorator_name, ec->num_trans);