Revision history of "an empty string is not a natural number" (Z13498)

imṣebḍiyen: Sti(ixter) tibuttonin a ɣar wadday n tunɣilin n Tasna bac ad tsmzazal(compare).
Tasarut: (cur) = imṣebḍiyen ag tunɣilt n ruxa, (last) = imṣebḍiyen ag tunɣilt n zik, M = taẓrigt d-tamẓeyant.