Revision history of "type of test case of unimplemented function is Z20" (Z16852)

Dif sɛlɛkshɔn: Mak di redio bɔtin dɛn na di rivishɔn dɛn fɔ kɔmpia ɛn hit ɛnta ɔ di bɔtin we de dɔŋ.
Lɛjɛnd: (kùr) = difrɛns wit di las rivishɔn, (prev) = difrɛns wit di rivishɔn we de bifo, l = smɔl ɛdit.