Returns whatever documentation is available for part using the Common Lisp documentation function.
| part-documentation < basic-doclisp-part > |
| part-documentation < doclisp-asdf-system > |
| part-documentation < doclisp-class > |
| part-documentation < doclisp-condition > |
| part-documentation < doclisp-function > |
| part-documentation < doclisp-package > |
| part-documentation < doclisp-slot > |
| part-documentation < doclisp-variable > |