if luatexja_debug then load_module('debug') end
+load_module('lotf_aux'); local ltju = luatexja.lotf_aux
load_module('charrange'); local ltjc = luatexja.charrange
load_module('stack'); local ltjs = luatexja.stack
load_module('direction'); local ltjd = luatexja.direction -- +1 hlist +1 attr_list