if err != nil {
		if ee, ok := err.(*exec.ExitError); ok && len(ee.Stderr) > 0 {
			return errorf("%v: %s", cmd, ee.Stderr)
		}
		return errorf("%v: %w", cmd, err)
	}

	parts := strings.SplitN(string(bytes.TrimSpace(out)), ":", 4)
	if len(parts) < 2 {
		return errorf("%v: missing ':' in output: %q", cmd, out)
	}
	importPath = parts[0]
	if importPath == "" || importPath == "." {

    const elem = document.getElementById('node' + n);
    if (!elem) return false;

    // Handle table row highlighting.
    if (elem.nodeName == 'TR') {
      elem.classList.toggle('hilite', set);
      return true;
    }

    // Handle svg element highlighting.
    const p = findPolygon(elem);
    if (p != null) {
      if (set) {
        origFill.set(p, p.style.fill);

	{141, "EINIT", "unknown error 141"},
	{142, "EREMDEV", "unknown error 142"},
	{143, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
	{144, "ETOOMANYREFS", "too many references: cannot splice"},
	{145, "ETIMEDOUT", "connection timed out"},
	{146, "ECONNREFUSED", "connection refused"},
	{147, "EHOSTDOWN", "host is down"},
	{148, "EHOSTUNREACH", "no route to host"},

	{57, "ENOTCONN", "transport endpoint is not connected"},
	{58, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
	{59, "ETOOMANYREFS", "too many references: cannot splice"},
	{60, "ETIMEDOUT", "connection timed out"},
	{61, "ECONNREFUSED", "connection refused"},
	{62, "ELOOP", "too many levels of symbolic links"},
	{63, "ENAMETOOLONG", "file name too long"},

	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) {
	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))

	{107, "ENOTCONN", "transport endpoint is not connected"},
	{108, "ESHUTDOWN", "cannot send after transport endpoint shutdown"},
	{109, "ETOOMANYREFS", "too many references: cannot splice"},
	{110, "ETIMEDOUT", "connection timed out"},
	{111, "ECONNREFUSED", "connection refused"},
	{112, "EHOSTDOWN", "host is down"},
	{113, "EHOSTUNREACH", "no route to host"},

func Shutdown(fd int, how int) (err error) {
	_, e1 := callshutdown(fd, how)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {
	r0, e1 := callsplice(rfd, uintptr(unsafe.Pointer(roff)), wfd, uintptr(unsafe.Pointer(woff)), len, flags)
	n = int64(r0)
	if e1 != 0 {

	_, _, e1 := Syscall(SYS_SETFSUID32, uintptr(uid), 0, 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error) {
	r0, _, e1 := Syscall6(SYS_SPLICE, uintptr(rfd), uintptr(unsafe.Pointer(roff)), uintptr(wfd), uintptr(unsafe.Pointer(woff)), uintptr(len), uintptr(flags))

	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {

	_, _, e1 := Syscall(SYS_SHUTDOWN, uintptr(fd), uintptr(how), 0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) {