+-- list_dir and orig_char_table are used in other lua files.
+local orig_char_table = {}
+ltjs.orig_char_table = orig_char_table
+ltjs.list_dir = nil -- dummy
+ltjs.table_current_stack = nil -- dummy
+function ltjs.report_stack_level(bsl)
+ ltjs.table_current_stack = charprop_stack_table[bsl]
+ return bsl