function (head,groupcode)
return main_process(head, true, tex.textdir, groupcode)
end,'ltj.pre_linebreak_filter',
luatexbase.priority_in_callback('pre_linebreak_filter',
'luaotfload.node_processor') + 1)
luatexbase.add_to_callback(
function (head,groupcode)
return main_process(head, true, tex.textdir, groupcode)
end,'ltj.pre_linebreak_filter',
luatexbase.priority_in_callback('pre_linebreak_filter',
'luaotfload.node_processor') + 1)
luatexbase.add_to_callback(