diff --git a/util/debian.sh b/util/debian.sh
index 4a43a11..fa12316 100755
--- a/util/debian.sh
+++ b/util/debian.sh
@@ -71,6 +71,9 @@ case "$1" in
         index_deb debian-bookworm $CMIRROR bookworm "main contrib non-free" cmp amd64
         #index_deb debian-bookworm $CMIRROR bookworm-updates "main contrib non-free" cmp amd64
         ;;
+    trixie)
+        index_deb debian-trixie $CMIRROR trixie "main contrib non-free" cmp amd64
+        ;;
     old)
         $0 buzz
         $0 rex
@@ -91,6 +94,7 @@ case "$1" in
         $0 buster
         $0 bullseye
         $0 bookworm
+        $0 trixie
         ;;
     all)
         $0 old
diff --git a/util/fedora.sh b/util/fedora.sh
index 9c3cdbe..1d7df15 100755
--- a/util/fedora.sh
+++ b/util/fedora.sh
@@ -145,6 +145,10 @@ case "$1" in
         index rpm --sys fedora-38 --cat everything --mirror "${CMIRROR}releases/38/Everything/x86_64/os/"
         index rpm --sys fedora-38 --cat everything --mirror "${CMIRROR}updates/38/Everything/x86_64/"
         ;;
+    39)
+        index rpm --sys fedora-39 --cat everything --mirror "${CMIRROR}releases/39/Everything/x86_64/os/"
+        index rpm --sys fedora-39 --cat everything --mirror "${CMIRROR}updates/39/Everything/x86_64/"
+        ;;
     old)
         $0 1
         $0 2
@@ -186,6 +190,7 @@ case "$1" in
     current)
         $0 37
         $0 38
+        $0 39
         ;;
     all)
         $0 old
diff --git a/util/freebsd.sh b/util/freebsd.sh
index 73fe015..78de14b 100755
--- a/util/freebsd.sh
+++ b/util/freebsd.sh
@@ -643,6 +643,12 @@ case $1 in
         index_core freebsd-13.2 "${MIR}base.txz" core-base 2023-04-11
         index freebsd2 --sys freebsd-13.2 --mirror "$PKG"
         ;;
+    14.0)
+        MIR="${CMIRROR}amd64/14.0-RELEASE/"
+        PKG="${PMIRROR}FreeBSD:14:amd64/release_0/"
+        index_core freebsd-14.0 "${MIR}base.txz" core-base 2023-11-20
+        index freebsd2 --sys freebsd-14.0 --mirror "$PKG"
+        ;;
     old)
         $0 1.0
         $0 2.0.5
@@ -718,5 +724,6 @@ case $1 in
         $0 13.0
         $0 13.1
         $0 13.2
+        $0 14.0
         ;;
 esac
diff --git a/util/ubuntu.sh b/util/ubuntu.sh
index 36c2c94..0a7ba6f 100755
--- a/util/ubuntu.sh
+++ b/util/ubuntu.sh
@@ -140,6 +140,9 @@ case $1 in
     lunar)
         stdrepo lunar $CMIRROR amd64
         ;;
+    mantic)
+        stdrepo mantic $CMIRROR amd64
+        ;;
     old)
         $0 warty
         $0 hoary
@@ -174,12 +177,14 @@ case $1 in
         $0 groovy
         $0 hirsute
         $0 impish
+        $0 kinetic
         ;;
     current)
         $0 bionic   # until 2028-04
         $0 focal    # until 2030-04
         $0 jammy    # until 2032-04
-        $0 kinetic  # until 2023-07
+        $0 lunar    # until 2024-01
+        $0 mantic   # until 2024-07
         ;;
     all)
         $0 old
diff --git a/www/index.pl b/www/index.pl
index 8219bd9..ebb0a35 100755
--- a/www/index.pl
+++ b/www/index.pl
@@ -763,7 +763,7 @@ sub man_nav_ {
             ul_ sub {
                 for (0..$#$toc) {
                     li_ sub {
-                        a_ @$htmllang, href => sprintf('#head%d', $_+1), lc $toc->[$_];
+                        a_ @$htmllang, href => sprintf('#head%d', $_+1), sub { lit_ lc $toc->[$_] };
                     }
                 }
             }
@@ -818,7 +818,7 @@ sub man_page {
     }
 
     my @toc;
-    $fmt =~ s{\n<b>(.+?)<\/b>\n}{
+    $fmt =~ s{\n<b>([^<\n]+?)<\/b>\n}{
         push @toc, $1;
         my $c = @toc;
         qq{\n<a href="#head$c" id="head$c">$1</a>\n}
@@ -1079,11 +1079,11 @@ TUWF::get qr{/lang/([^/]+)/([^/]+)} => sub { tuwf->resRedirect('/man.'.tuwf->cap
 
 TUWF::get '/json/tree.json' => sub {
     my $f = tuwf->validate(get =>
-        name    => { required => 0, maxlength => 256 },
-        section => { required => 0, maxlength => 32 },
-        locale  => { required => 0, maxlength => 32 },
-        cur     => { required => 0, default => '', regex => qr/^[a-fA-F0-9]{40}$/ },
-        hash    => { required => 0, default => '', regex => qr/^[a-fA-F0-9]{40}$/ },
+        name    => { default => '', maxlength => 256 },
+        section => { default => '', maxlength => 32 },
+        locale  => { default => sub{$_[0]}, maxlength => 32 },
+        cur     => { default => '', regex => qr/^[a-fA-F0-9]{40}$/ },
+        hash    => { default => '', regex => qr/^[a-fA-F0-9]{40}$/ },
     )->data;
     return tuwf->resNotFound() if !$f->{hash} && !($f->{section} && $f->{name});