# equery d -a docbook-xml-dtd
 * These packages depend on docbook-xml-dtd:
app-accessibility/at-spi2-core-2.30.1
app-accessibility/at-spi2-core-2.32.1
app-accessibility/at-spi2-core-2.34.0
app-admin/system-config-printer-1.5.11-r1
app-admin/system-config-printer-1.5.11-r2
app-arch/gcab-1.2
app-arch/gcab-1.3
app-arch/xarchiver-0.5.4.14
app-backup/amanda-3.3.9
app-backup/amanda-3.4.1
app-backup/amanda-3.4.2
app-backup/amanda-3.4.3
app-backup/amanda-3.4.4
app-backup/amanda-3.4.5
app-backup/amanda-3.5-r1
app-backup/amanda-3.5.1-r1
app-backup/ccollect-0.8
app-cdr/brasero-3.12.2-r1
app-dicts/gnome-dictionary-3.26.1
app-dicts/gwaei-3.6.2
app-doc/gnucash-docs-3.2-r2
app-doc/gnucash-docs-3.3-r1
app-doc/gnucash-docs-3.4-r1
app-doc/gnucash-docs-3.5-r1
app-doc/gnucash-docs-3.6-r1
app-doc/gnucash-docs-3.7
app-editors/gedit-3.30.2
app-editors/gedit-3.32.2
app-editors/pluma-1.22.0
app-editors/pluma-1.22.1
app-i18n/pology-0.12
app-i18n/pology-9999
app-misc/geoclue-2.5.3-r2
app-misc/gnote-3.30.0
app-misc/tracker-2.1.8
app-misc/tracker-2.2.2
app-office/dia-0.97.3
app-office/glabels-3.4.1
app-office/gnumeric-1.12.43
app-office/gnumeric-1.12.44
app-text/asciidoc-8.6.10_p20181016
app-text/atril-1.22.1
app-text/dblatex-0.3.7
app-text/dblatex-0.3.10-r1
app-text/docbook-sgml-utils-0.6.14-r2
app-text/docbook-sgml-utils-0.6.14-r3
app-text/docbook2X-0.8.8-r4
app-text/evince-3.30.2
app-text/evince-3.32.0
app-text/evince-3.32.1
app-text/gnome-doc-utils-0.20.10-r1
app-text/opensp-1.5.2-r3
app-text/opensp-1.5.2-r6
app-text/po4a-0.47-r1
app-text/po4a-0.55
app-text/po4a-0.56
app-text/referencer-1.2.2-r1
app-text/stardict-3.0.6-r3
app-text/stardict-4.0.0_pre20170304
app-text/xmlto-0.0.28-r1
dev-db/postgis-2.4.6
dev-db/postgis-2.4.7
dev-db/postgis-2.4.8
dev-db/postgis-2.5.1-r1
dev-db/postgis-2.5.2
dev-db/postgis-2.5.3
dev-db/postgis-3.0.0
dev-db/postgis-9999
dev-db/postgresql-9999
dev-haskell/alex-3.1.3
dev-haskell/alex-3.1.7
dev-haskell/alex-3.2.1
dev-haskell/c2hs-0.16.4
dev-haskell/c2hs-0.16.5
dev-haskell/happy-1.19.4
dev-haskell/happy-1.19.5
dev-lang/ghc-7.8.4
dev-lang/ghc-7.10.3
dev-lang/ghc-8.0.2
dev-lang/ghc-8.2.1
dev-lang/ghc-8.2.2
dev-lang/ghc-8.4.1
dev-lang/ghc-8.4.2
dev-lang/ghc-8.4.3
dev-lang/ghc-8.6.4
dev-lang/ghc-8.6.5
dev-lang/ghc-8.8.1
dev-lang/yasm-9999
dev-libs/appstream-0.12.7
dev-libs/appstream-0.12.8
dev-libs/appstream-0.12.9
dev-libs/appstream-glib-0.7.9
dev-libs/appstream-glib-0.7.15
dev-libs/atk-2.30.0
dev-libs/atk-2.32.0
dev-libs/atk-2.34.1
dev-libs/glib-2.58.3-r1
dev-libs/glib-2.60.6
dev-libs/glib-2.60.7
dev-libs/json-glib-1.4.4
dev-libs/libgdata-0.17.11
dev-libs/libgweather-3.28.3
dev-libs/libgweather-3.32.1
dev-libs/libgweather-3.32.2-r1
dev-libs/totem-pl-parser-3.26.3
dev-python/pygtksourceview-2.10.1-r1
dev-python/python-caja-1.22.0-r1
dev-util/anjuta-3.28.0-r1
dev-util/comparator-2.10
dev-util/comparator-2.12
dev-util/devhelp-3.30.1
dev-util/glade-3.20.4
dev-util/glade-3.22.1
dev-util/gnome-devel-docs-3.30.2
dev-util/gtk-builder-convert-2.24.32
dev-util/gtk-doc-1.25-r1
dev-util/gtk-update-icon-cache-3.24.8
dev-util/gtk-update-icon-cache-3.24.11
dev-util/nemiver-0.9.6
games-strategy/crimson-0.5.3-r1
gnome-base/dconf-0.26.1
gnome-base/dconf-0.30.1
gnome-base/dconf-0.32.0-r1
gnome-base/gdm-3.30.3-r3
gnome-base/gdm-3.32.0
gnome-base/gnome-applets-3.32.0
gnome-base/gnome-control-center-3.30.3-r1
gnome-base/gnome-control-center-3.32.2
gnome-base/gnome-desktop-2.32.1-r2
gnome-base/gnome-desktop-3.30.2.3
gnome-base/gnome-desktop-3.32.2
gnome-base/gnome-keyring-3.28.2
gnome-base/gnome-keyring-3.31.91-r1
gnome-base/gnome-panel-3.32.0
gnome-base/gnome-session-3.30.1-r1
gnome-base/gnome-session-3.32.0
gnome-base/gnome-shell-3.32.2
gnome-base/gvfs-1.38.3
gnome-base/gvfs-1.40.2
gnome-base/nautilus-3.30.5-r1
gnome-base/nautilus-3.32.3
gnome-extra/cinnamon-screensaver-3.6.1-r1
gnome-extra/cinnamon-screensaver-3.8.0
gnome-extra/cinnamon-screensaver-4.0.1
gnome-extra/evolution-data-server-3.32.4
gnome-extra/gconf-editor-3.0.1-r1
gnome-extra/gnome-calendar-3.30.1
gnome-extra/gnome-calendar-3.32.2
gnome-extra/gnome-contacts-3.30.2
gnome-extra/gnome-contacts-3.32.1
gnome-extra/gnome-documents-3.30.1
gnome-extra/gnome-logs-3.30.0
gnome-extra/gnome-software-3.30.6
gnome-extra/gnome-user-share-3.28.0
gnome-extra/gnome-user-share-3.32.0.1
gnome-extra/gucharmap-10.0.3
gnome-extra/gucharmap-11.0.3
gnome-extra/gucharmap-12.0.1
gui-libs/libhandy-0.0.9
kde-frameworks/kdelibs4support-5.60.0
kde-frameworks/kdelibs4support-5.63.0
kde-frameworks/kdoctools-5.60.0
kde-frameworks/kdoctools-5.63.0
mail-client/evolution-3.30.5
mail-client/evolution-3.32.4
mate-base/mate-applets-1.22.0
mate-base/mate-applets-1.22.1
mate-base/mate-desktop-1.22.0
mate-base/mate-desktop-1.22.1
mate-base/mate-panel-1.22.1
mate-extra/mate-power-manager-1.22.1
mate-extra/mate-user-share-1.22.0
mate-extra/mate-user-share-1.22.1
media-gfx/eog-3.28.4
media-gfx/eog-3.32.2
media-gfx/gthumb-3.6.2-r1
media-libs/graphene-1.8.6
media-libs/grilo-0.3.7
media-libs/grilo-0.3.9
media-libs/libmatemixer-1.22.0
media-libs/waffle-1.6.0
media-libs/waffle-9999
media-plugins/grilo-plugins-0.3.8
media-plugins/grilo-plugins-0.3.9
media-sound/easytag-2.4.3-r1
media-sound/sound-juicer-3.24.0
media-video/aravis-0.7.2
media-video/aravis-9999
media-video/cheese-3.30.0
media-video/cheese-3.32.1
media-video/mplayer-1.3.0-r5
media-video/mplayer-9999
media-video/totem-3.30.0
media-video/totem-3.32.1-r1
net-analyzer/cbm-0.1-r1
net-analyzer/etherape-0.9.14
net-analyzer/etherape-0.9.17
net-analyzer/etherape-0.9.18
net-firewall/conntrack-tools-1.4.4-r1
net-firewall/conntrack-tools-1.4.5
net-fs/openafs-1.8.2-r1
net-irc/irker-2.9
net-irc/irker-2.11
net-irc/irker-2.12
net-irc/irker-2.13
net-irc/irker-2.15
net-irc/irker-2.16
net-irc/irker-2.18
net-irc/irker-2.18-r1
net-libs/libsoup-2.66.2
net-libs/libsoup-2.66.3
net-libs/libsoup-2.66.4
net-misc/eventd-0.27.0
net-misc/freerdp-2.0.0_rc2-r1
net-misc/freerdp-2.0.0_rc4
net-misc/freerdp-9999
net-misc/iputils-99999999
net-misc/rabbitmq-server-3.6.9
net-misc/rabbitmq-server-3.6.14
net-misc/rabbitmq-server-3.7.13
net-misc/rabbitmq-server-3.7.17
net-misc/rabbitmq-server-3.8.0
net-nds/gssproxy-0.8.2
net-vpn/libreswan-3.27
net-vpn/libreswan-3.29
net-wireless/gnuradio-3.7.13.5
net-wireless/gnuradio-3.7.9999
net-wireless/gnuradio-9999
sci-geosciences/geocode-glib-3.26.1
sci-geosciences/gpsbabel-1.5.4-r1
sci-geosciences/gpscorrelate-1.6.1-r1
sci-geosciences/gpsd-9999
sci-misc/boinc-7.8.6
sci-misc/boinc-7.9.3
sci-misc/boinc-7.14.2
sci-misc/boinc-9999
sys-apps/accountsservice-0.6.50-r1
sys-apps/bubblewrap-0.3.1-r1
sys-apps/dbus-1.12.16
sys-apps/moreutils-0.61
sys-apps/moreutils-0.62
sys-apps/moreutils-0.63
sys-apps/portage-2.3.66-r1
sys-apps/portage-2.3.69
sys-apps/portage-2.3.76-r1
sys-apps/portage-2.3.78-r2
sys-apps/portage-9999
sys-apps/systemd-242-r6
sys-apps/systemd-242-r7
sys-apps/systemd-243
sys-apps/systemd-243-r2
sys-apps/systemd-9999
sys-apps/xdg-desktop-portal-1.4.2-r1
sys-auth/consolekit-0.4.6
sys-auth/consolekit-1.1.0-r1
sys-auth/consolekit-1.1.2
sys-auth/consolekit-1.2.0
sys-auth/consolekit-1.2.1
sys-auth/consolekit-9999
sys-auth/elogind-241.3
sys-auth/polkit-0.115-r3
sys-auth/polkit-0.115-r4
sys-auth/polkit-0.116-r1
sys-auth/sssd-1.16.3-r3
sys-auth/sssd-2.1.0-r1
sys-auth/sssd-2.2.0-r1
sys-auth/sssd-2.2.2
sys-block/gparted-0.33.0
sys-boot/systemd-boot-241
sys-boot/systemd-boot-243
sys-cluster/cluster-glue-1.0.11
sys-cluster/cluster-glue-1.0.12
sys-cluster/cluster-glue-1.0.12-r1
sys-fs/autorun-3.17
sys-fs/btrfs-progs-3.18.2
sys-fs/btrfs-progs-4.1.2
sys-fs/btrfs-progs-4.4.1
sys-fs/btrfs-progs-4.9.1
sys-fs/btrfs-progs-4.10.2
sys-fs/btrfs-progs-4.14.1
sys-fs/btrfs-progs-4.19
sys-fs/btrfs-progs-4.19.1
sys-fs/btrfs-progs-5.1.1
sys-fs/btrfs-progs-5.2.2
sys-fs/btrfs-progs-5.3
sys-fs/btrfs-progs-5.3.1
sys-fs/btrfs-progs-9999
sys-fs/udev-242
sys-fs/udev-243
sys-fs/udev-243-r2
sys-fs/udev-9999
sys-kernel/dracut-044-r1
sys-kernel/dracut-044-r3
sys-kernel/dracut-045-r2
sys-kernel/dracut-046-r1
sys-kernel/dracut-047-r1
sys-kernel/dracut-048
sys-kernel/dracut-048-r1
sys-kernel/dracut-049
sys-kernel/dracut-049-r1
sys-kernel/dracut-049-r2
sys-kernel/dracut-9999
sys-libs/pam-1.3.1-r1
sys-libs/tdb-1.3.13
sys-libs/tdb-1.3.16
sys-libs/tdb-1.3.18
sys-libs/tdb-1.4.0
sys-libs/tdb-1.4.2
x11-base/xorg-server-1.20.5
x11-base/xorg-server-9999
x11-libs/colord-gtk-0.1.26
x11-libs/gdk-pixbuf-2.38.2-r1
x11-libs/gdk-pixbuf-2.40.0
x11-libs/gtk+-2.24.32-r1
x11-libs/gtk+-3.24.1
x11-libs/gtk+-3.24.4-r1
x11-libs/gtk+-3.24.8
x11-libs/gtk+-3.24.10
x11-libs/gtk+-3.24.11
x11-libs/libSM-1.2.3
x11-libs/libX11-1.6.8
x11-libs/libX11-1.6.9
x11-libs/libXaw-1.0.13-r1
x11-libs/libXcomposite-0.4.5
x11-libs/libXdmcp-1.1.3
x11-libs/libXext-1.3.4
x11-libs/libXfont2-2.0.4
x11-libs/libXfont2-9999
x11-libs/libXi-1.7.10
x11-libs/libXmu-1.1.3
x11-libs/libXt-1.2.0
x11-libs/libXtst-1.2.3-r1
x11-libs/libxcb-1.13.1
x11-libs/xcb-util-0.4.0-r1
x11-libs/xcb-util-cursor-0.1.3-r2
x11-libs/xcb-util-image-0.4.0-r1
x11-libs/xcb-util-keysyms-0.4.0-r1
x11-libs/xcb-util-renderutil-0.3.9-r2
x11-libs/xcb-util-wm-0.4.1-r2
x11-libs/xcb-util-xrm-1.0
x11-libs/xcb-util-xrm-1.2
x11-libs/xcb-util-xrm-1.3
x11-libs/xtrans-1.4.0
x11-misc/xdg-user-dirs-0.17
x11-wm/marco-1.22.1-r1
x11-wm/marco-1.22.2
x11-wm/muffin-3.6.0
x11-wm/muffin-3.8.2
x11-wm/muffin-4.0.3
x11-wm/mutter-3.26.2-r1
x11-wm/mutter-3.30.2-r4
x11-wm/mutter-3.32.2