[ `About of abouts (* current proof *)
| `Check of string (* term *)
| `Cic of Cic.term * Cic.metasenv
- | `Development of string
| `Dir of string (* "directory" in cic uris namespace *)
| `HBugs of [ `Tutors ] (* list of available HBugs tutors *)
| `Metadata of [ `Deps of [`Fwd | `Back] * UriManager.uri ]
| `About `CoercionsFull -> "about:coercions"
| `Check _ -> "check:"
| `Cic (_, _) -> "term:"
- | `Development d -> "devel:/" ^ d
| `Dir uri -> uri
| `HBugs `Tutors -> "hbugs:/tutors/"
| `Metadata meta ->