exception NoRootFor of string

val find_root : string -> string

(* baseuri_of_script ?(inc:REG[matita.includes]) fname -> root, buri, fullpath 
 * sample: baseuri_of_script a.ma -> /home/pippo/devel/, cic:/matita/a,
 * /home/pippo/devel/a.ma *)
val baseuri_of_script: 
  ?include_paths:string list -> string -> string * string * string

(* finds all the roots files in the specified dir *)
val find_roots_in_dir: string -> string list