/usr/share/manaplus/data/themes/unity/ is in manaplus-data 1.6.2.13-1.
This file is owned by root:root, with mode 0o755.
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/usr/share/manaplus/data/themes/unity/buy.xml
/usr/share/manaplus/data/themes/unity/char.xml
/usr/share/manaplus/data/themes/unity/colors.xml
/usr/share/manaplus/data/themes/unity/cutin.xml
/usr/share/manaplus/data/themes/unity/equipment.xml
/usr/share/manaplus/data/themes/unity/info.xml
/usr/share/manaplus/data/themes/unity/inventory.xml
/usr/share/manaplus/data/themes/unity/mailedit.xml
/usr/share/manaplus/data/themes/unity/npc.xml
/usr/share/manaplus/data/themes/unity/ok.xml
/usr/share/manaplus/data/themes/unity/outfits.xml
/usr/share/manaplus/data/themes/unity/popup.xml
/usr/share/manaplus/data/themes/unity/progressbar.xml
/usr/share/manaplus/data/themes/unity/quests.xml
/usr/share/manaplus/data/themes/unity/sell.xml
/usr/share/manaplus/data/themes/unity/server.xml
/usr/share/manaplus/data/themes/unity/shop.xml
/usr/share/manaplus/data/themes/unity/social.xml
/usr/share/manaplus/data/themes/unity/window.png
/usr/share/manaplus/data/themes/unity/window.xml
/usr/share/manaplus/data/themes/unity/world.xml