/usr/share/doc/ is in libbiniou-ocaml-dev 1.0.9-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc-base/libbiniou-ocaml-dev.doc-base.apiref
/usr/share/doc/libbiniou-ocaml-dev/
/usr/share/doc/libbiniou-ocaml-dev/copyright
/usr/share/doc/libbiniou-ocaml-dev/api/
/usr/share/doc/libbiniou-ocaml-dev/api/html/
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_outbuf.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_class_types.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_share.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_inbuf.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_classes.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_vint.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/style.css
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_io.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_exceptions.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_outbuf.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_util.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_values.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_inbuf.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_util.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_share.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_modules.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_io.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/type_Bi_stream.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_vint.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_methods.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_attributes.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/Bi_stream.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_types.html
/usr/share/doc/libbiniou-ocaml-dev/api/html/index_module_types.html
/usr/share/doc/libbiniou-ocaml-dev/changelog.Debian.gz