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

Diff selection: Lahala makwst mamuk-x̣luima-ikta yaka tsiltsil pus maika tikix nanich qata x̣luima-ikta klaska, pi mamuk ENTER epe tsiltsil kopa kikwəli.
Wawa-snohus: (alta) = qata xluima ukuk pi wix̣t-ulman pipa, (iləp) = difference with preceding revision, t = tenas ts'əm-ikta.