Merge pull request #198 from vincentkelleher/update_ifabsent_metamodel

Update ifabsent metamodel

Author: cmungall

linkml_model/model/schema/meta.yaml

@@ -1504,8 +1504,7 @@ slots:
     range: string
     inherited: true
     description: >-
-      function that provides a default value for the slot.  Possible values for this slot are defined in
-      linkml.utils.ifabsent_functions.default_library:
+      function that provides a default value for the slot.
         * [Tt]rue -- boolean True
         * [Ff]alse -- boolean False
         * bnode -- blank node identifier
@@ -1517,6 +1516,7 @@ slots:
         * slot_uri -- URI for the slot
         * slot_curie -- CURIE for the slot
         * string(value) -- string value
+        * EnumName(PermissibleValue) -- enum value
     close_mappings:
       - sh:defaultValue
     in_subset: