skos/commit

oops, rdf_label:label_hook also needs skosxl:altLabel

diff --git a/components/skos/components.pl b/components/skos/components.pl
index d5793f6..b5da6e2 100644
--- a/components/skos/components.pl
+++ b/components/skos/components.pl
@@ -3,7 +3,6 @@
 	  ]).
 
 :- use_module(library(semweb/rdf_db)).
-:- use_module(library(semweb/rdf_label)).
 
 /** <module> Domain-specific components for SKOS models
 */
@@ -14,6 +13,9 @@
 %	one or more skosxl:literalForm attributes.
 
 rdf_label:label_hook(SKOS, Literal) :-
-        rdf_has(SKOS, skosxl:prefLabel, SKOSXL),
+        (   rdf_has(SKOS, skosxl:prefLabel, SKOSXL)
+	;   rdf_has(SKOS, skosxl:altLabel, SKOSXL)
+	),
         rdf_has(SKOSXL, skosxl:literalForm, Literal).
 
+