===================================================================
RCS file: /home/cvs/OpenXM/src/kan96xx/Kan/kanExport1.c,v
retrieving revision 1.19
retrieving revision 1.21
diff -u -p -r1.19 -r1.21
--- OpenXM/src/kan96xx/Kan/kanExport1.c	2005/06/16 06:54:55	1.19
+++ OpenXM/src/kan96xx/Kan/kanExport1.c	2005/07/03 11:08:53	1.21
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/kan96xx/Kan/kanExport1.c,v 1.18 2005/06/16 05:07:23 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kan96xx/Kan/kanExport1.c,v 1.20 2005/06/16 08:40:04 takayama Exp $ */
 #include <stdio.h>
 #include "datatype.h"
 #include "stackm.h"
@@ -19,6 +19,9 @@ struct object DegreeShiftD = OINIT;
 int DegreeShiftD_size = 0;
 int *DegreeShiftD_vec = NULL;
 
+static struct object paddingVector(struct object ob, int table[], int m);
+static struct object unitVector(int pos, int size,struct ring *r);
+
 /** :kan, :ring */
 struct object Kreduction(f,set)
      struct object f;
@@ -88,7 +91,7 @@ struct object Kgroebner(ob)
   int sdflag = 0;
   int forceReduction = 0;
   int reduceOnly = 0;
-  int gbCheck = 0;
+  int gbCheck = 0;  /* see @s/2005/06/16-note.pdf */
 
   int ob1Size, ob2Size, noZeroEntry;
   int *ob1ToOb2;
@@ -104,8 +107,8 @@ struct object Kgroebner(ob)
   struct object newB = OINIT;
   struct object orgC = OINIT;
   struct object newC = OINIT;
-  static struct object paddingVector(struct object ob, int table[], int m);
-  static struct object unitVector(int pos, int size,struct ring *r);
+  struct object paddingVector(struct object ob, int table[], int m);
+  struct object unitVector(int pos, int size,struct ring *r);
   extern struct ring *CurrentRingp;
   
   StopDegree = 0x7fff;
@@ -122,6 +125,7 @@ struct object Kgroebner(ob)
     if (ob2.tag != Sarray) {
       errorKan1("%s\n","Kgroebner(): The options must be given by an array.");
     }
+    /* Note: If you add a new option, change /configureGroebnerOption, too */
     for (i=0; i<getoaSize(ob2); i++) {
       ob2c = getoa(ob2,i);
       if (ob2c.tag == Sdollar) {
@@ -304,14 +308,14 @@ struct object Kgroebner(ob)
   }
 
   /* To handle zero entries in the input. */
+  rob=KsetAttribute(rob,KpoString("gb"),KpoInteger(grG->gb));
+  putoa(rob,0,KsetAttribute(getoa(rob,0),KpoString("gb"),KpoInteger(grG->gb)));
   if (noZeroEntry) {
-    rob=KsetAttribute(rob,KpoString("gb"),KpoInteger(grG->gb));
     return(rob);
   }
   method = getoaSize(rob);
   switch(method) {
   case 1:
-    rob=KsetAttribute(rob,KpoString("gb"),KpoInteger(grG->gb));
     return(rob);
     break;
   case 2: