+2007-12-07 Ben Pfaff <blp@gnu.org>
+
+ Patch #6302.
+
+ * casegrouper.c (casegrouper_get_next_group): Cause a casegrouper
+ made from an empty casereader produce a casegrouper with no
+ groups, instead of one with one group that has no cases.
+
+ * casereader.c (casereader_is_empty): New function.
+
2007-12-06 Ben Pfaff <blp@gnu.org>
Patch #6303.