/usr/include/ is in libwpd-dev 0.9.9-1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/libwpd-0.9/
/usr/include/libwpd-0.9/libwpd/
/usr/include/libwpd-0.9/libwpd/libwpd.h
/usr/include/libwpd-0.9/libwpd/WPDocument.h
/usr/include/libwpd-0.9/libwpd/WPXString.h
/usr/include/libwpd-0.9/libwpd/WPXPropertyListVector.h
/usr/include/libwpd-0.9/libwpd/WPXDocumentInterface.h
/usr/include/libwpd-0.9/libwpd/WPXBinaryData.h
/usr/include/libwpd-0.9/libwpd/WPXProperty.h
/usr/include/libwpd-0.9/libwpd/WPXPropertyList.h
/usr/include/libwpd-0.9/libwpd-stream/
/usr/include/libwpd-0.9/libwpd-stream/libwpd-stream.h
/usr/include/libwpd-0.9/libwpd-stream/WPXStream.h
/usr/include/libwpd-0.9/libwpd-stream/WPXStreamImplementation.h