 
   func testHangul() {
     let runs = typesetter.fontGlyphRunsWithoutLigatures(
-      nvimCells: asciiMarked(["a", "b", "하", "", "태", "", "원", ""]),
+      nvimUtf16Cells: asciiMarked(["a", "b", "하", "", "태", "", "원", ""]),
       startColumn: 1,
       offset: offset,
       font: defaultFont,


  func testCombiningChars() {
    let runs = typesetter.fontGlyphRunsWithoutLigatures(
      nvimCells: emojiMarked(
        ["a", "a\u{1DC1}", "a\u{032A}", "a\u{034B}", "b", "c"]
      ),
      startColumn: 10,


  func testSimpleEmojis() {
    let runs = typesetter.fontGlyphRunsWithLigatures(
      nvimUtf16Cells: asciiMarked(["\u{1F600}", "", "\u{1F377}", ""]),
      startColumn: 0,
      offset: offset,
      font: defaultFont,
