/usr/share/doc/liblablgtk-extras-ocaml-dev/ is in liblablgtk-extras-ocaml-doc 1.5-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Configwin.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Configwin.key_cp-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Configwin_keys.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gdir.gdir-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gdir.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gmylist.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gmylist.plist-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gmytree.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gmytree.tree_edit-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gstuff.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gtke_install.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gtke_version.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gtksv_utils.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gtksv_utils.source_style_scheme_box-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Gtksv_utils.sourceview_props_box-c.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/Okey.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_attributes.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_class_types.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_classes.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_exceptions.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_extensions.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_methods.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_module_types.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_modules.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_types.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/index_values.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/style.css
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Configwin.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Configwin.key_cp.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Configwin_keys.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gdir.gdir.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gdir.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gmylist.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gmylist.plist.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gmytree.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gmytree.tree_edit.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gstuff.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gtke_install.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gtke_version.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gtksv_utils.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gtksv_utils.source_style_scheme_box.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Gtksv_utils.sourceview_props_box.html
/usr/share/doc/liblablgtk-extras-ocaml-dev/html/api/type_Okey.html