(command.CommandList
  children: [
    (C {(echo)} {(DQ ('static const uint32_t to_ucs4[256] = {'))})
    (command.Pipeline
      children: [
        (C {(sed)} {(-ne)} {(SQ <'/^[^[:space:]]*[[:space:]]*.x00/d;/^END/q'>)} {(-e)} 
          {(SQ <'s/^<U\\(....\\)>[[:space:]]*.x\\(..\\).*/  [0x\\2] = 0x\\1,/p'>)} {(DQ ($ VSub_At '$@'))}
        )
        (C {(sort)} {(-u)})
      ]
      negated: F
    )
    (C {(echo)} {(DQ ('};'))})
    (C {(echo)} {(DQ ('static const char from_ucs4[] = {'))})
    (command.Pipeline
      children: [
        (C {(sed)} {(-ne)} {(SQ <'/^[^[:space:]]*[[:space:]]*.x00/d;/^END/q'>)} {(-e)} 
          {(SQ <'s/^<U\\(....\\)>[[:space:]]*.x\\(..\\).*/  [0x\\1] = 0x\\2,/p'>)} {(DQ ($ VSub_At '$@'))}
        )
        (C {(sort)} {(-u)})
      ]
      negated: F
    )
    (C {(echo)} {(DQ ('};'))})
  ]
)