-- luatexja/ltj-compat.lua
--
-luatexja.load_module('base'); local ltjb = luatexja.base
+luatexja.load_module('base'); local ltjb = luatexja.base
+luatexja.load_module('stack'); local ltjs = luatexja.stack
-- \kuten, \jis, \euc, \sjis, \ucs, \kansuji
local function to_kansuji(num)