- local box_set = false
- local p = head
- local cl = tex.currentgrouplevel + 1
- for p in node.traverse_id(id_whatsit, head) do
- if p.subtype==sid_user and p.user_id==30112 then
- local g = p
- if mode and g.value==cl then box_set = true end
- head, p = node_remove(head, g); node_free(g); break
- end
+ local box_set, cl = 0, tex.currentgrouplevel + 1
+ for _,p in pairs(wt) do
+ if mode and p.value==cl then box_set = 1 end; node_free(p)