| pkg_cache_reset | Reset cached package indexes |
| pkg_macros | Load a package's Rd macros |
| pkg_search_attached | Packages searched for help by default |
| pkg_search_base | Packages searched for help by default |
| pkg_search_deps | Packages to search for topics in a package's dependencies |
| pkg_topics | List the topics documented by a package |
| topic_exists | Is a topic documented? |
| topic_find | Find packages that document a topic |
| topic_find_all | Find packages that document a topic |
| topic_origin | Find the package where a topic's object originates |
| topic_qualifier | Find the package qualifier for a topic |
| topic_rd | Get the parsed Rd for a topic |
| topic_rd_path | Get the path to the Rd file for a topic |
| topic_split | Split a qualified topic into package and topic |