type href = UriManager.uri
+type child_pos = [ `Left | `Right | `Inner ]
+
type term_attribute =
[ `Loc of location (* source file location *)
| `IdRef of string (* ACic pointer *)
| `Level of int * Gramext.g_assoc (* precedence, associativity *)
+ | `ChildPos of child_pos (* position of l1 pattern variables *)
| `XmlAttrs of (string option * string * string) list
(* list of XML attributes: namespace, name, value *)
| `Raw of string (* unparsed version *)