[libgdata] [introspection] Add missing annotations to GDataGDIMAddress

[Philip Withnall <pwithnall src gnome org>]

commit 6122f99aa2ed0273f9a6474a299e9636cc9e3750
Author: Philip Withnall <philip tecnocode co uk>
Date:   Tue Aug 3 09:34:17 2010 +0100

    [introspection] Add missing annotations to GDataGDIMAddress

 gdata/gd/gdata-gd-im-address.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)
---
diff --git a/gdata/gd/gdata-gd-im-address.c b/gdata/gd/gdata-gd-im-address.c
index 1ada4a7..624d7e6 100644
--- a/gdata/gd/gdata-gd-im-address.c
+++ b/gdata/gd/gdata-gd-im-address.c
@@ -318,9 +318,9 @@ get_namespaces (GDataParsable *parsable, GHashTable *namespaces)
 /**
  * gdata_gd_im_address_new:
  * @address: the IM address
- * @protocol: a URI identifying the IM protocol, or %NULL
- * @relation_type: the relationship between the IM address and its owner, or %NULL
- * @label: a human-readable label for the IM address, or %NULL
+ * @protocol: (allow-none): a URI identifying the IM protocol, or %NULL
+ * @relation_type: (allow-none): the relationship between the IM address and its owner, or %NULL
+ * @label: (allow-none): a human-readable label for the IM address, or %NULL
  * @is_primary: %TRUE if this IM address is its owner's primary address, %FALSE otherwise
  *
  * Creates a new #GDataGDIMAddress. More information is available in the <ulink type="http"
@@ -334,7 +334,7 @@ GDataGDIMAddress *
 gdata_gd_im_address_new (const gchar *address, const gchar *protocol, const gchar *relation_type, const gchar *label, gboolean is_primary)
 {
 	g_return_val_if_fail (address != NULL && *address != '\0', NULL);
-	g_return_val_if_fail (protocol != NULL && *protocol != '\0', NULL);
+	g_return_val_if_fail (protocol == NULL || *protocol != '\0', NULL);
 	g_return_val_if_fail (relation_type == NULL || *relation_type != '\0', NULL);
 	return g_object_new (GDATA_TYPE_GD_IM_ADDRESS, "address", address, "protocol", protocol, "relation-type", relation_type,
 	                     "label", label, "is-primary", is_primary, NULL);
@@ -397,7 +397,7 @@ gdata_gd_im_address_get_protocol (GDataGDIMAddress *self)
 /**
  * gdata_gd_im_address_set_protocol:
  * @self: a #GDataGDIMAddress
- * @protocol: the new IM protocol
+ * @protocol: (allow-none): the new IM protocol, or %NULL
  *
  * Sets the #GDataGDIMAddress:protocol property to @protocol.
  *
@@ -407,7 +407,7 @@ void
 gdata_gd_im_address_set_protocol (GDataGDIMAddress *self, const gchar *protocol)
 {
 	g_return_if_fail (GDATA_IS_GD_IM_ADDRESS (self));
-	g_return_if_fail (protocol != NULL && *protocol != '\0');
+	g_return_if_fail (protocol == NULL || *protocol != '\0');
 
 	g_free (self->priv->protocol);
 	self->priv->protocol = g_strdup (protocol);
@@ -434,7 +434,7 @@ gdata_gd_im_address_get_relation_type (GDataGDIMAddress *self)
 /**
  * gdata_gd_im_address_set_relation_type:
  * @self: a #GDataGDIMAddress
- * @relation_type: the new relation type for the im_address, or %NULL
+ * @relation_type: (allow-none): the new relation type for the im_address, or %NULL
  *
  * Sets the #GDataGDIMAddress:relation-type property to @relation_type.
  *
@@ -473,7 +473,7 @@ gdata_gd_im_address_get_label (GDataGDIMAddress *self)
 /**
  * gdata_gd_im_address_set_label:
  * @self: a #GDataGDIMAddress
- * @label: the new label for the IM address, or %NULL
+ * @label: (allow-none): the new label for the IM address, or %NULL
  *
  * Sets the #GDataGDIMAddress:label property to @label.
  *