HB_BEGIN_DECLS
-
+/**
+ * HB_GRAPHITE2_TAG_SILF:
+ *
+ * The #hb_tag_t tag for the `Silf` table, which holds Graphite
+ * features.
+ *
+ * For more information, see http://graphite.sil.org/
+ *
+ **/
#define HB_GRAPHITE2_TAG_SILF HB_TAG('S','i','l','f')