(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"diff hunk header truncation">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:N)
          op: Equal
          rhs: {(SQ <"\u65e5\u672c\u8a9e">)}
          spids: [15]
        )
      ]
      spids: [15]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:N1) op:Equal rhs:{(SQ <"\u65e5">)} spids:[20])]
      spids: [20]
    )
    (Assignment
      keyword: Assign_None
      pairs: [(assign_pair lhs:(LhsName name:N2) op:Equal rhs:{(SQ <"\u65e5\u672c">)} spids:[25])]
      spids: [25]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:NS)
          op: Equal
          rhs: 
            {
              (DQ ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") 
                ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N") 
                ($ VSub_Name "$N") ($ VSub_Name "$N") ($ VSub_Name "$N")
              )
            }
          spids: [30]
        )
      ]
      spids: [30]
    )
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\n"> <"\t(\n"> <"\t\techo \"A $NS\"\n"> <"\t\tfor c in B C D E F G H I J K\n"> 
          <"\t\tdo\n"> <"\t\t\techo \"  $c\"\n"> <"\t\tdone\n"> <"\t\techo \"L  $NS\"\n"> 
          <"\t\tfor c in M N O P Q R S T U V\n"> <"\t\tdo\n"> <"\t\t\techo \"  $c\"\n"> <"\t\tdone\n"> <"\t) >file &&\n"> <"\tgit add file &&\n"> <"\n"> 
          <"\tsed -e \"/^  [EP]/s/$/ modified/\" <file >file+ &&\n"> <"\tmv file+ file\n"> <"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"hunk header truncation with an overly long line">)} 
      {
        (SQ <"\n"> <"\n"> <"\tgit diff | sed -n -e \"s/^.*@@//p\" >actual &&\n"> <"\t(\n"> 
          <"\t\techo \" A $N$N$N$N$N$N$N$N$N2\"\n"> <"\t\techo \" L  $N$N$N$N$N$N$N$N$N1\"\n"> <"\t) >expected &&\n"> <"\ttest_cmp actual expected\n"> 
          <"\n">
        )
      }
    )
    (C {(test_done)})
  ]
)