Revision history of "length of empty string is 0" (Z12790)

ᱮᱴᱟᱜ ᱵᱟᱪᱷᱟᱣ: ᱱᱟᱣᱟ ᱵᱚᱫᱚᱞᱠᱚ ᱛᱩᱞᱟᱹᱣ ᱢᱮᱱᱠᱷᱟᱱ, ᱨᱮᱰᱤᱭᱳ ᱵᱟᱠᱥᱚᱨᱮ ᱪᱤᱱ ᱮᱢ ᱠᱟᱛᱮ ᱵᱚᱞᱚᱜ ᱥᱮ ᱞᱟᱛᱟᱨ ᱨᱮᱱᱟᱜ ᱵᱟᱴᱚᱱ ᱞᱤᱱᱢᱮ᱾
ᱩᱱᱩᱫᱩᱜ: (ᱱᱮᱛᱚᱜ) = ᱱᱮᱛᱟᱨ ᱥᱩᱫᱷᱨᱟᱹᱣ ᱥᱟᱶᱛᱮ ᱥᱚᱝ, (ᱞᱟᱦᱟ ᱛᱮᱱᱟᱜ) = ᱞᱟᱦᱟ ᱨᱮᱭᱟᱜ ᱱᱟᱣᱟ ᱥᱩᱫᱷᱨᱟᱹᱣ ᱥᱟᱶᱛᱮ ᱥᱚᱝ, ᱱᱟᱥᱮ = ᱦᱩᱰᱤᱧ ᱥᱟᱯᱲᱟᱣ ᱾