X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcic%2FlibraryObjects.mli;h=7c31bf2bf79a651ddd6ee06d5449abb6e27ad37b;hb=e8f64678cc425f19336ff4f905f9b2f00acd6627;hp=db15cdff89f785ce7b79f26ffbfda38b26c87fcf;hpb=d29e538e11bc1d703baa7cbcdeca160f7627dc90;p=helm.git

diff --git a/helm/software/components/cic/libraryObjects.mli b/helm/software/components/cic/libraryObjects.mli
index db15cdff8..7c31bf2bf 100644
--- a/helm/software/components/cic/libraryObjects.mli
+++ b/helm/software/components/cic/libraryObjects.mli
@@ -26,7 +26,7 @@
 val set_default : string -> UriManager.uri list -> unit
 val reset_defaults : unit -> unit 
 
-val eq_URI : unit -> UriManager.uri
+val eq_URI : unit -> UriManager.uri option
 
 val is_eq_URI : UriManager.uri -> bool
 val is_eq_ind_URI : UriManager.uri -> bool
@@ -34,7 +34,7 @@ val is_eq_ind_r_URI : UriManager.uri -> bool
 val is_trans_eq_URI : UriManager.uri -> bool
 val is_sym_eq_URI : UriManager.uri -> bool
 
-exception NotRecognized;;
+exception NotRecognized of string;;
 
 val eq_ind_URI : eq:UriManager.uri -> UriManager.uri
 val eq_ind_r_URI : eq:UriManager.uri -> UriManager.uri
@@ -42,7 +42,7 @@ val trans_eq_URI : eq:UriManager.uri -> UriManager.uri
 val sym_eq_URI : eq:UriManager.uri -> UriManager.uri
 
 
-val false_URI : unit -> UriManager.uri
-val true_URI : unit -> UriManager.uri
-val absurd_URI : unit -> UriManager.uri
+val false_URI : unit -> UriManager.uri option
+val true_URI : unit -> UriManager.uri option
+val absurd_URI : unit -> UriManager.uri option