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  my ($symbol, $resp, $h, $hi_tdate) = @_;
  my @data = ();
  $h->{'data'} = \@data;
  my $hi_tdate_iso;
  if (defined $hi_tdate){ $hi_tdate_iso = App::Chart::tdate_to_iso($hi_tdate); }

  my $body = $resp->decoded_content (raise_error => 1);
  my @line_list = App::Chart::Download::split_lines($body);

  unless ($line_list[0] =~ /^Date,Open,High,Low,Close,Adj Close,Volume/) {
    die "Yahoo: unrecognised daily data headings: " . $line_list[0];
  }
  shift @line_list;

  foreach my $line (@line_list) {
    my ($date, $open, $high, $low, $close, $adj_volume, $volume)
      = split (/,/, $line);

    $date = daily_date_fixup ($symbol, $date);
    if (defined $hi_tdate_iso && $date gt $hi_tdate_iso) {
      # Sep 2017: There's a daily data record during the trading day, but
      # want to write the database only at the end of trading.
      ### skip date after hi_tdate ...
      next;
    }

    # Sep 2017 have seen "null,null,null,...", maybe for non-trading days
    foreach my $field ($open, $high, $low, $close, $adj_volume, $volume) {
      if ($field eq 'null') {
        $field = undef;
      }
    }

    if ($index_pred->match($symbol)) {
      # In the past indexes which not calculated intraday had
      # open==high==low==close and volume==0, eg. ^WIL5.  Use the close
      # alone in this case, with the effect of drawing line segments instead
      # of OHLC or Candle figures with no range.

      if (defined $open && defined $high && defined $low && defined $close
          && $open == $high && $high == $low && $low == $close && $volume == 0){
        $open = undef;
        $high = undef;
        $low = undef;
      }

    } else {
      # In the past shares with no trades had volume==0,
      # open==low==close==bid price, and high==offer price, from some time
      # during the day, maybe the end of day.  Zap all the prices in this
      # case.
      #
      # For a public holiday it might be good to zap the volume to undef
      # too, but don't have anything to distinguish holiday, suspension,
      # delisting vs just no trades.
      #
      # On the ASX when shares are suspended the bid/offer can be crossed as
      # usual for pre-open auction, and this gives high<low.  For a part-day
      # suspension then can have volume!=0 in this case too.  Don't want to
      # show a high<low, so massage high/low to open/close range if the high
      # looks like a crossed offer.

      if (defined $high && defined $low && $high < $low) {
        $high = App::Chart::max_maybe ($open, $close);
        $low  = App::Chart::min_maybe ($open, $close);
      }

      if (defined $open && defined $low && defined $close && defined $volume
          && $open == $low && $low == $close && $volume == 0) {
        $open  = undef;
        $high  = undef;
        $low   = undef;
        $close = undef;
      }
    }

    push @data, { symbol => $symbol,
                  date   => $date,
                  open   => crunch_trailing_nines($open),
                  high   => crunch_trailing_nines($high),
                  low    => crunch_trailing_nines($low),
                  close  => crunch_trailing_nines($close),
                  volume => $volume };
  }
  return $h;
}
sub daily_parse_div {
  my ($symbol, $resp, $h) = @_;
  my @dividends = ();
  $h->{'dividends'} = \@dividends;

  my $body = $resp->decoded_content (raise_error => 1);
  my @line_list = App::Chart::Download::split_lines($body);

  # Date,Dividends
  # 2015-11-04,1.4143
  # 2016-05-17,1.41428
  # 2017-05-16,1.4143
  # 2016-11-03,1.4143

  unless ($line_list[0] =~ /^Date,Dividends/) {
    warn "Yahoo: unrecognised dividend headings: " . $line_list[0];
    return;
  }
  shift @line_list;

  foreach my $line (@line_list) {
    my ($date, $amount) = split (/,/, $line);

    push @dividends, { symbol  => $symbol,
                       ex_date => daily_date_fixup ($symbol, $date),
                       amount  => $amount };
  }
  return $h;
}
sub daily_parse_split {
  my ($symbol, $resp, $h) = @_;
  my @splits = ();
  $h->{'splits'} = \@splits;

  my $body = $resp->decoded_content (raise_error => 1);