module('luatexja.inputbuf', package.seeall)
local err, warn, info, log = luatexbase.errwarinf(_NAME)
-require('luatexja.charrange'); local ltjc = luatexja.charrange
+luatexja.load_module('charrange'); local ltjc = luatexja.charrange
local node_new = node.new
local id_glyph = node.id('glyph')