PS. That's interesting, apt-cache.sh \ depends calibre \ depends calibre-bin \ depends qtcreator
outputs: calibre Depends: python2.7 Depends: python-bs4 Depends: python-css-parser Depends: python-dbus Depends: python-pil Depends: python-lxml Depends: python-mechanize Depends: python-pkg-resources Depends: python-cssutils Depends: python-cssselect Depends: python-cherrypy3 Depends: python-dateutil Depends: python-feedparser Depends: python-html2text Depends: python-html5-parser Depends: python-html5lib Depends: python-markdown Depends: python-msgpack Depends: python-pyqt5 Depends: python-pyqt5.qtwebkit Depends: python-pyqt5.qtsvg Depends: python-pyparsing Depends: python-regex Depends: python-routes Depends: python-chardet Depends: python-netifaces Depends: python-apsw Depends: xdg-utils Depends: imagemagick graphicsmagick-imagemagick-compat imagemagick-6.q16 Depends: libjpeg-turbo-progs Depends: optipng Depends: poppler-utils Depends: fonts-liberation Depends: libjs-mathjax Depends: libjs-coffeescript Depends: calibre-bin Recommends: python-dnspython Offers: python-unrardll calibre-bin Depends: libc6 Depends: libchm1 Depends: libfontconfig1 Depends: libfreetype6 Depends: libgcc1 Depends: libglib2.0-0 Depends: libicu63 Depends: libmtp9 Depends: libpodofo0.9.6 Depends: libpython2.7 Depends: libqt5core5a Depends: libqt5dbus5 |Depends: libqt5gui5 Depends: libqt5gui5-gles Depends: libqt5widgets5 Depends: libssl1.1 Depends: libstdc++6 Depends: libusb-1.0-0 Depends: <qtbase-abi-5-12-5> libqt5core5a Depends: zlib1g Depends: <sip-api-12.7> python-sip Depends: python2.7 Recommends: calibre qtcreator Depends: libqt5sql5-sqlite Depends: qml-module-qtqml-models2 Depends: qml-module-qtquick-controls Depends: qml-module-qtquick2 Depends: qtchooser Depends: qtcreator-data Depends: libc6 Depends: libclang1-8 Depends: libgcc1 Depends: libllvm8 Depends: libqbscore1.13 Depends: libqt5concurrent5 Depends: libqt5core5a Depends: libqt5designer5 Depends: libqt5designercomponents5 |Depends: libqt5gui5 Depends: libqt5gui5-gles Depends: libqt5help5 Depends: libqt5network5 Depends: libqt5printsupport5 Depends: libqt5qml5 Depends: libqt5quick5 Depends: libqt5quickwidgets5 Depends: libqt5script5 Depends: libqt5serialport5 Depends: libqt5sql5 Depends: libqt5widgets5 Depends: libqt5xml5 Depends: libstdc++6 Depends: <qtbase-abi-5-12-5> libqt5core5a Depends: <qtdeclarative-abi-5-12-5> libqt5qml5 Breaks: qtcreator-data Recommends: clang Recommends: gdb gdb-minimal Recommends: make make-guile Recommends: qmlscene Recommends: qt5-doc Recommends: qt5-qmltooling-plugins Recommends: qtbase5-dev-tools Recommends: qtcreator-doc Recommends: qtdeclarative5-dev-tools Recommends: qttools5-dev-tools Recommends: qttranslations5-l10n Recommends: qtxmlpatterns5-dev-tools |Recommends: xterm Recommends: <x-terminal-emulator> deepin-terminal eterm gnome-terminal kitty konsole lilyterm lxterminal mate-terminal mlterm mlterm-tiny pterm qterminal rxvt-unicode sakura stterm terminator terminology termit tilix xfce4-terminal xiterm+thai xterm Offers: clazy Offers: cmake Offers: g++ Offers: git Offers: <kate-data> Offers: subversion Offers: valgrind Replaces: qtcreator-data where missing packets are taken in "< ... > ", and below, apparently, replacing it package.