/usr/share/gtk-doc/html/at-spi-cspi/ is in at-spi-doc 1.32.0-1ubuntu1.
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/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-Accessible-Objects.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleAction-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleApplication-API.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleComponent-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleDocument-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleEditableText-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleHyperlink-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleHypertext-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleImage-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleRelations-and-RelationSets.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleSelection-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleStreamableContent-Interface.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-AccessibleTable-Interface.html
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/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-Registry-queries.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-SPI-main-loop-and-initialization.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi-State-and-StateSets.html
/usr/share/gtk-doc/html/at-spi-cspi/at-spi-cspi.devhelp2
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/usr/share/gtk-doc/html/at-spi-cspi/home.png
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/usr/share/gtk-doc/html/at-spi-cspi/style.css
/usr/share/gtk-doc/html/at-spi-cspi/up.png