/usr/share/doc/cl-asdf/asdf/ is in cl-asdf 2:3.0.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/cl-asdf/asdf/A-more-involved-example.html
/usr/share/doc/cl-asdf/asdf/Common-attributes-of-components.html
/usr/share/doc/cl-asdf/asdf/Components.html
/usr/share/doc/cl-asdf/asdf/Concept-Index.html
/usr/share/doc/cl-asdf/asdf/Configuring-ASDF.html
/usr/share/doc/cl-asdf/asdf/Controlling-where-ASDF-saves-compiled-files.html
/usr/share/doc/cl-asdf/asdf/Controlling-where-ASDF-searches-for-systems.html
/usr/share/doc/cl-asdf/asdf/Creating-new-component-types.html
/usr/share/doc/cl-asdf/asdf/Creating-new-operations.html
/usr/share/doc/cl-asdf/asdf/Defining-systems-with-defsystem.html
/usr/share/doc/cl-asdf/asdf/Error-handling.html
/usr/share/doc/cl-asdf/asdf/FAQ.html
/usr/share/doc/cl-asdf/asdf/Function-and-Class-Index.html
/usr/share/doc/cl-asdf/asdf/Functions.html
/usr/share/doc/cl-asdf/asdf/Getting-the-latest-version.html
/usr/share/doc/cl-asdf/asdf/Inspiration.html
/usr/share/doc/cl-asdf/asdf/Introduction.html
/usr/share/doc/cl-asdf/asdf/Loading-ASDF.html
/usr/share/doc/cl-asdf/asdf/Miscellaneous-additional-functionality.html
/usr/share/doc/cl-asdf/asdf/Operations.html
/usr/share/doc/cl-asdf/asdf/Other-code-in-_002easd-files.html
/usr/share/doc/cl-asdf/asdf/Pre_002ddefined-subclasses-of-component.html
/usr/share/doc/cl-asdf/asdf/Predefined-operations-of-ASDF.html
/usr/share/doc/cl-asdf/asdf/TODO-list.html
/usr/share/doc/cl-asdf/asdf/The-defsystem-form.html
/usr/share/doc/cl-asdf/asdf/The-defsystem-grammar.html
/usr/share/doc/cl-asdf/asdf/The-object-model-of-ASDF.html
/usr/share/doc/cl-asdf/asdf/Using-ASDF.html
/usr/share/doc/cl-asdf/asdf/Variable-Index.html
/usr/share/doc/cl-asdf/asdf/index.html
/usr/share/doc/cl-asdf/asdf/operate.html
/usr/share/doc/cl-asdf/asdf/report_002dbugs.html
/usr/share/doc/cl-asdf/asdf/test_002dop.html