sub tag_more_list {
(
  $next_anchor,
  $prev_anchor,
  $page_anchor,
  $border,
  $border_selected,
  $opt,
  $r,
) = @_;

if(my $name = $opt->{more_routine}) {
  my $sub = $Vend::Cfg->{Sub}{$name} || $Global::GlobalSub->{$name};
  return $sub->(@_) if $sub;
}
#::logDebug("more_list: opt=$opt label=$opt->{label}");
return undef if ! $opt;
$q = $opt->{object} || $::Instance->{SearchObject}{$opt->{label}};
return '' unless $q->{matches} > $q->{mv_matchlimit}
  and $q->{mv_matchlimit} > 0;
my($arg,$inc,$last,$m);
my($adder,$pages);
my($first_anchor,$last_anchor);
my %hash;

  ($pretty_url, $incl_pageno) = ();
  if ($r =~ m{\[more[-_]pretty[-_]url\]}i) {
#::logDebug('$r matched on more-pretty-url');
      $r =~ s{\[more[-_]pretty[-_]url\]($All)\[/more[-_]pretty[-_]url\]}{}i
          and $pretty_url = $q->{more_pretty_url} ||= ::interpolate_html($1);
      $r =~ s{\[more[-_]incl[-_]pageno\]($All)\[/more[-_]incl[-_]pageno\]}{}i
          and $incl_pageno = $q->{more_incl_pageno} ||= $1 || '1';
  }

$session = $q->{mv_cache_key};
my $first = $q->{mv_first_match} || 0;
$chunk = $q->{mv_matchlimit};
$perm = $q->{mv_more_permanent} ? ':1' : '';
$total = $q->{matches};
my $next = defined $q->{mv_next_pointer}
      ? $q->{mv_next_pointer}
      : $first + $chunk;
$page = $q->{mv_search_page} || $Global::Variable->{MV_PAGE};
$prefix = $q->{prefix} || '';
my $form_arg = "mv_more_ip=1\nmv_nextpage=$page";
$form_arg .= "\npf=$q->{prefix}" if $q->{prefix};
$form_arg .= "\n$opt->{form}" if $opt->{form};
if($q->{mv_more_id}) {
  $more_id = $q->{mv_more_id};
  $form_arg .= "\nmi=$more_id";
}
else {
  $more_id = undef;
}

my $more_joiner = $opt->{more_link_joiner} || ' ';

if($r =~ s:\[border\]($All)\[/border\]::i) {
  $border = $1;
  $border =~ s/\D//g;
}
if($r =~ s:\[border[-_]selected\]($All)\[/border[-_]selected\]::i) {
  $border = $1;
  $border =~ s/\D//g;
}

undef $link_template;
$r =~ s:\[link[-_]template\]($All)\[/link[-_]template\]::i
  and $link_template = $1;
$link_template ||= q{<a href="$URL$">$ANCHOR$</a>};

if(! $chunk or $chunk >= $total) {
  return '';
}

$border = qq{ border="$border"} if defined $border;
$border_selected = qq{ border="$border_selected"}
  if defined $border_selected;

$adder = ($total % $chunk) ? 1 : 0;
$pages = int($total / $chunk) + $adder;
$current = int($next / $chunk) || $pages;

if($first) {
  $first = 0 if $first < 0;

  # First link may appear when prev link is valid
  if($r =~ s:\[first[-_]anchor\]($All)\[/first[-_]anchor\]::i) {
    $first_anchor = $1;
  }
  else {
    $first_anchor = errmsg('First');
  }
  unless ($first_anchor eq 'none') {
    $arg = $session;
    $arg .= ':0:';
    $arg .= $chunk - 1;
    $arg .= ":$chunk$perm";
    $hash{first_link} = more_link_template($first_anchor, $arg, $form_arg, 1);
  }

  unless ($prev_anchor) {
    if($r =~ s:\[prev[-_]anchor\]($All)\[/prev[-_]anchor\]::i) {
      $prev_anchor = $1;
    }
    else {
      $prev_anchor = errmsg('Previous');
    }
  }
  elsif ($prev_anchor ne 'none') {
    $prev_anchor = qq%<img src="$prev_anchor"$border>%;
  }
  unless ($prev_anchor eq 'none') {
    $arg = $session;
    $arg .= ':';
    $arg .= $first - $chunk;
    $arg .= ':';
    $arg .= $first - 1;
    $arg .= ":$chunk$perm";
    $hash{prev_link} = more_link_template($prev_anchor, $arg, $form_arg, \
 $current && $current - 1);
  }

}
else {
  $r =~ s:\[(prev|first)[-_]anchor\]$All\[/\1[-_]anchor\]::ig;
}

if($next) {

  unless ($next_anchor) {
    if($r =~ s:\[next[-_]anchor\]($All)\[/next[-_]anchor\]::i) {
      $next_anchor = $1;
    }
    else {
      $next_anchor = errmsg('Next');
    }
  }
  else {
    $next_anchor = qq%<img src="$next_anchor"$border>%;
  }
  $last = $next + $chunk - 1;
  $last = $last > ($total - 1) ? $total - 1 : $last;
  $arg = "$session:$next:$last:$chunk$perm";
  $hash{next_link} = more_link_template($next_anchor, $arg, $form_arg, $current && $current + 1);

   # Last link can appear when next link is valid
  if($r =~ s:\[last[-_]anchor\]($All)\[/last[-_]anchor\]::i) {
    $last_anchor = $1;
  }
  else {
    $last_anchor = errmsg('Last');
  }
  unless ($last_anchor eq 'none') {
    $last = $total - 1;
    my $last_beg_idx = $total - ($total % $chunk || $chunk);
    $arg = "$session:$last_beg_idx:$last:$chunk$perm";
    $hash{last_link} = more_link_template($last_anchor, $arg, $form_arg, \
 $chunk && ceil($total / $chunk));
  }
}
else {
  $r =~ s:\[(last|next)[-_]anchor\]$All\[/\1[-_]anchor\]::gi;
}

unless ($page_anchor) {
  if($r =~ s:\[page[-_]anchor\]($All)\[/page[-_]anchor\]::i) {
    $page_anchor = $1;
  }
  else {
    $page_anchor = '__PAGE__';
  }
}
elsif ($page_anchor ne 'none') {
  $page_anchor = qq%<img src="$page_anchor?__PAGE__"__BORDER__>%;
}

$page_anchor =~ s/\$(MIN|MAX)?PAGE\$/__${1}PAGE__/g;

my $more_string = errmsg('more');
my ($decade_next, $decade_prev, $decade_div);
if( $q->{mv_more_decade} or $r =~ m:\[decade[-_]next\]:) {
  $r =~ s:\[decade[-_]next\]($All)\[/decade[-_]next\]::i
    and $decade_next = $1;
  $decade_next = "<small>&#91;$more_string&gt;&gt;&#93;</small>"
    if ! $decade_next;
  $r =~ s:\[decade[-_]prev\]($All)\[/decade[-_]prev\]::i
    and $decade_prev = $1;
  $decade_prev = "<small>&#91;&lt;&lt;$more_string&#93;</small>"
    if ! $decade_prev;
  $decade_div = $q->{mv_more_decade} > 1 ? $q->{mv_more_decade} : 10;
}

my ($begin, $end);
if(defined $decade_div and $pages > $decade_div) {
  if($current > $decade_div) {
    $begin = ( int ($current / $decade_div) * $decade_div ) + 1;
    $hash{decade_prev} = more_link($begin - $decade_div, $decade_prev);
  }
  else {
    $begin = 1;
  }
  if($begin + $decade_div <= $pages) {
    $end = $begin + $decade_div;
    $hash{decade_next} = more_link($end, $decade_next);
    $end--;
  }
  else {
    $end = $pages;
    delete $hash{$decade_next};
  }
#::logDebug("more_list: decade found pages=$pages current=$current begin=$begin \
 end=$end next=$next last=$last decade_div=$decade_div");
}
else {
  ($begin, $end) = (1, $pages);
  delete $hash{$decade_next};
}
#::logDebug("more_list: pages=$pages current=$current begin=$begin end=$end \
 next=$next last=$last decade_div=$decade_div page_anchor=$page_anchor");

my @more_links;
if ($q->{mv_alpha_list}) {
  for my $record (@{$q->{mv_alpha_list}}) {
    $arg = "$session:$record->[2]:$record->[3]:" . ($record->[3] - $record->[2] + 1);
    my $letters = substr($record->[0], 0, $record->[1]);
    push @more_links, more_link_template($letters, $arg, $form_arg);
  }
  $hash{more_alpha} = join $more_joiner, @more_links;
}
else {
  foreach $inc ($begin .. $end) {
    last if $page_anchor eq 'none';
    push @more_links, more_link($inc, $page_anchor);
  }
  $hash{more_numeric} = join $more_joiner, @more_links;
}

if ($r =~ s:\[all[-_]anchor\]($All)\[/all[-_]anchor\]::i and ($first or $next)) {
  my $all_anchor = $1;
  $arg = "$session:0:0:100000";
  push @more_links, more_link_template($all_anchor, $arg, $form_arg);
}

$hash{more_list} = join $more_joiner, @more_links;

$first = $first + 1;
$last = $first + $chunk - 1;
$last = $last > $total ? $total : $last;
$m = $first . '-' . $last;
$hash{matches} = $m;
$hash{first_match} = $first;
$hash{last_match} = $last;
$hash{decade_first} = $begin;
$hash{decade_last} = $end;
$hash{last_page} = $hash{total_pages} = $pages;
$hash{current_page} = $current;
$hash{match_count} = $q->{matches};

if($r =~ /{[A-Z][A-Z_]+[A-Z]}/ and $r !~ $QR{more}) {
  return tag_attr_list($r, \%hash, 1);
}
else {
  my $tpl = qq({FIRST_LINK?}{FIRST_LINK} {/FIRST_LINK?}{PREV_LINK?}{PREV_LINK} \
 {/PREV_LINK?}{DECADE_PREV?}{DECADE_PREV} {/DECADE_PREV?}{MORE_LIST}{DECADE_NEXT \
?} {DECADE_NEXT}{/DECADE_NEXT?}{NEXT_LINK?} {NEXT_LINK}{/NEXT_LINK \
?}{LAST_LINK?} {LAST_LINK}{/LAST_LINK?});
  $tpl =~ s/\s+$//;
  my $list = tag_attr_list($opt->{more_template} || $tpl, \%hash, 1);
  $r =~ s,$QR{more},$list,g;
  $r =~ s,$QR{matches},$m,g;
  $r =~ s,$QR{match_count},$q->{matches},g;
  return $r;
}

}