Revision history of "discard until start of last substring" (Z11422)
ᨠᩣ᩠ᩁᩃᩮᩬᩥᨠᨹᩫ᩠ᩃᨷᩕ᩠ᨿᨷᨴ᩠ᨿᨾ: ᨲᩮᩢ᩠ᨠᩃᩮᩬᩥᨠᨲᩬ᩵ᨾᨡᩬᨦᩈᩬᨦᨨᨷᩢ᩠ᨷᨴᩦ᩵ᨧᩢᩉᩨ᩶ᨷᩕ᩠ᨿᨷᨴ᩠ᨿᨾᨠᩢ᩠ᨶ ᩓᨲᩮᩢ᩠ᨠᨲᩬ᩵ᨾᨸ᩶ᩬᩁᨡᩮᩢ᩶ᩣᨣᩤᩅ᩵ᩤᨲᩬ᩵ᨾᨴᩣ᩠ᨦᩃᩩ᩵ᨾ
ᨣᩤᩴᨧᩣᨡᩱ: (ᨷᩢ᩠ᨯᨯ᩠᩵ᨿᩅ) = ᨹᩫ᩠ᩃᨷᩕ᩠ᨿᨷᨴ᩠ᨿᨾᨠᩢ᩠ᨷᨨᨷᩢ᩠ᨷᨠᩯ᩶ᩃᩪᩁᩈᩩᨯ (ᨠᩬ᩵ᩁ) = ᨹᩫ᩠ᩃᨷᩕ᩠ᨿᨷᨴ᩠ᨿᨾᨠᩢ᩠ᨷᨨᨷᩢ᩠ᨷᨠᩯ᩶ᨠᩬ᩵ᩁᨶᩦ᩶ ᨶ = ᨠᩣ᩠ᩁᨠᩯ᩶ᨡᩱᨷᩴᨶᩢ᩠ᨠ