Index: src/blob.c
==================================================================
--- src/blob.c
+++ src/blob.c
@@ -53,15 +53,10 @@
 /*
 ** The buffer holding the blob data
 */
 #define blob_buffer(X)  ((X)->aData)
 
-/*
-** Number of elements that fits into the current blob's size
-*/
-#define blob_count(X,elType)  (blob_size(X)/sizeof(elType))
-
 /*
 ** Append blob contents to another
 */
 #define blob_appendb(dest, src) \
   blob_append((dest), blob_buffer(src), blob_size(src))

Index: src/tkt.c
==================================================================
--- src/tkt.c
+++ src/tkt.c
@@ -232,20 +232,10 @@
   for(i=0; (z = cgi_parameter_name(i))!=0; i++){
     Th_Store(z, P(z));
   }
 }
 
-/*
-** Information about a single J-card
-*/
-struct jCardInfo {
-  char  *zValue;
-  int    mimetype;
-  int    rid;
-  double mtime;
-};
-
 /*
 ** Update an entry of the TICKET and TICKETCHNG tables according to the
 ** information in the ticket artifact given in p.  Attempt to create
 ** the appropriate TICKET table entry if tktid is zero.  If tktid is nonzero
 ** then it will be the ROWID of an existing TICKET entry.
@@ -252,12 +242,11 @@
 **
 ** Parameter rid is the recordID for the ticket artifact in the BLOB table.
 **
 ** Return the new rowid of the TICKET table entry.
 */
-static int ticket_insert(const Manifest *p, const int rid, int tktid,
-                         Blob *fields){
+static int ticket_insert(const Manifest *p, const int rid, int tktid){
   Blob sql1; /* update or replace TICKET ... */
   Blob sql2; /* list of TICKETCHNG's fields that are in the manifest */
   Blob sql3; /* list of values which correspond to the previous list */
   Stmt q;
   int i, j;
@@ -372,37 +361,24 @@
   }
   blob_reset(&sql2);
   blob_reset(&sql3);
   fossil_free(aUsed);
   if( rid>0 ){                   /* extract backlinks */
+    int bReplace = 1, mimetype;
     for(i=0; i<p->nField; i++){
       const char *zName = p->aField[i].zName;
       const char *zBaseName = zName[0]=='+' ? zName+1 : zName;
       j = fieldId(zBaseName);
       if( j<0 ) continue;
       if( aField[j].mUsed & USEDBY_TICKETCHNG ){
-        backlink_extract(p->aField[i].zValue, mimetype_tktchng,
-                         rid, BKLNK_TICKET, p->rDate,
-                          /* existing backlinks must have been
-                           * already deleted by the caller */ 0 );
+        mimetype = mimetype_tktchng;
       }else{
-        /* update field's data with the most recent values */
-        Blob *cards = fields + j;
-        struct jCardInfo card = {
-          fossil_strdup(p->aField[i].zValue),
-          mimetype_tkt, rid, p->rDate
-        };
-        if( blob_size(cards) && zName[0]!='+' ){
-          struct jCardInfo *x = (struct jCardInfo *)blob_buffer(cards);
-          struct jCardInfo *end = x + blob_count(cards,struct jCardInfo);
-          for(; x!=end; x++){
-            fossil_free( x->zValue );
-          }
-          blob_truncate(cards,0);
-        }
-        blob_append(cards, (const char*)(&card), sizeof(card));
-      }
+        mimetype = mimetype_tkt;
+      }
+      backlink_extract(p->aField[i].zValue, mimetype, rid, BKLNK_TICKET,
+                       p->rDate, bReplace);
+      bReplace = 0;
     }
   }
   return tktid;
 }
 
@@ -435,13 +411,12 @@
 void ticket_rebuild_entry(const char *zTktUuid){
   char *zTag = mprintf("tkt-%s", zTktUuid);
   int tagid = tag_findid(zTag, 1);
   Stmt q;
   Manifest *pTicket;
-  int tktid, i;
+  int tktid;
   int createFlag = 1;
-  Blob *fields;  /* array of blobs; each blob holds array of jCardInfo */
 
   fossil_free(zTag);
   getAllTicketFields();
   if( haveTicket==0 ) return;
   tktid = db_int(0, "SELECT tkt_id FROM ticket WHERE tkt_uuid=%Q", zTktUuid);
@@ -449,41 +424,22 @@
   if( haveTicketChng ){
     db_multi_exec("DELETE FROM ticketchng WHERE tkt_id=%d;", tktid);
   }
   db_multi_exec("DELETE FROM ticket WHERE tkt_id=%d", tktid);
   tktid = 0;
-  fields = blobarray_new( nField );
-  db_multi_exec("DELETE FROM backlink WHERE srctype=%d AND srcid IN "
-                "(SELECT rid FROM tagxref WHERE tagid=%d)",BKLNK_TICKET, tagid);
   db_prepare(&q, "SELECT rid FROM tagxref WHERE tagid=%d ORDER BY mtime",tagid);
   while( db_step(&q)==SQLITE_ROW ){
     int rid = db_column_int(&q, 0);
     pTicket = manifest_get(rid, CFTYPE_TICKET, 0);
     if( pTicket ){
-      tktid = ticket_insert(pTicket, rid, tktid, fields);
+      tktid = ticket_insert(pTicket, rid, tktid);
       manifest_ticket_event(rid, pTicket, createFlag, tagid);
       manifest_destroy(pTicket);
     }
     createFlag = 0;
   }
   db_finalize(&q);
-  /* Extract backlinks from the most recent values of TICKET fields */
-  for(i=0; i<nField; i++){
-    Blob *cards = fields + i;
-    if( blob_size(cards) ){
-      struct jCardInfo *x = (struct jCardInfo *)blob_buffer(cards);
-      struct jCardInfo *end = x + blob_count(cards,struct jCardInfo);
-      for(; x!=end; x++){
-        assert( x->zValue );
-        backlink_extract(x->zValue,x->mimetype,
-                         x->rid,BKLNK_TICKET,x->mtime,0);
-        fossil_free( x->zValue );
-      }
-    }
-    blob_truncate(cards,0);
-  }
-  blobarray_delete(fields,nField);
 }
 
 
 /*
 ** Create the TH1 interpreter and load the "common" code.