+ local backup
+ function ltjl.setting_backup()
+ backup = { ltj_profiler, ltj_skip }
+ ltj_profiler, ltj_skip = ltjl.p_dummy, ltjl.l_dummy
+ end
+ function ltjl.setting_restore()
+ if backup then
+ ltj_profiler, ltj_skip, backup = backup[1], backup[2], nil
+ end
+ end
+end
+
+do