javadoc

diff --git a/src/jalview/util/DBRefUtils.java b/src/jalview/util/DBRefUtils.java
index 8eb5d7b..d94e234 100755 (executable)
--- a/src/jalview/util/DBRefUtils.java
+++ b/src/jalview/util/DBRefUtils.java
@@ -163,6 +163,9 @@ public class DBRefUtils
   public interface DbRefComp {
     public boolean matches(DBRefEntry refa, DBRefEntry refb);
   }
+  /**
+   * match on all non-null fields in refa
+   */
   public static DbRefComp matchNonNullonA = new DbRefComp()
     {
           public boolean matches(DBRefEntry refa, DBRefEntry refb)