diff --git a/manifest b/manifest
index ac283c0c71..5b4807c787 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Remove\stwo\sunused\sfields\sfrom\sthe\sParse\sstructure.\s\sThe\sTCL\sinterface\snow\nremoves\sleading\swhitespace\sfrom\sSQL\sstatements\sbefore\sparsing\sthem.\s(CVS\s6846)
-D 2009-07-03T22:54:37
+C Remove\sa\sredundant\sbranch\sfrom\sbtree.c.\s(CVS\s6847)
+D 2009-07-04T15:41:03
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in df9359da7a726ccb67a45db905c5447d5c00c6ef
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -106,7 +106,7 @@ F src/auth.c 802a9439dfa0b8c208b10055cba400e82ef18025
 F src/backup.c 97a3859d8585eb4fcb1e81a795cf4b3fdd82f30f
 F src/bitvec.c 0ef0651714728055d43de7a4cdd95e703fac0119
 F src/btmutex.c 9b899c0d8df3bd68f527b0afe03088321b696d3c
-F src/btree.c b7f75130f8699903fe3b699d0591493dc26c4454
+F src/btree.c 464fbd75cfa198659088e424d5907aa025768628
 F src/btree.h 8cae6364735a5cb2d577ddb23fa6d0e655a4b931
 F src/btreeInt.h b31e5ac04181c7e2892c33ab06228c551df6233c
 F src/build.c 867028ee9f63f7bc8eb8d4a720bb98cf9b9a12b4
@@ -740,7 +740,7 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746
-P 90deb65835febc908f21bca89ef497d1048afe0a
-R 430f40c3b49dbd6d5c53832ea096a991
-U drh
-Z 301b92e83560c1a5b1bd3c9e33371bc8
+P 983cb6924b8a7d3057718b9228c0cb2fbe7f0dc4
+R 40c2a0bb68ce632cd8e5f2261811a36c
+U danielk1977
+Z b09eed1324988822c632e7993ab98935
diff --git a/manifest.uuid b/manifest.uuid
index 2c0c3bb995..d7d6745645 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-983cb6924b8a7d3057718b9228c0cb2fbe7f0dc4
\ No newline at end of file
+133357d2f070ba303deddff59beead1ec8d10521
\ No newline at end of file
diff --git a/src/btree.c b/src/btree.c
index 8c86e88042..a4f8274218 100644
--- a/src/btree.c
+++ b/src/btree.c
@@ -9,7 +9,7 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
-** $Id: btree.c,v 1.650 2009/07/03 16:25:07 danielk1977 Exp $
+** $Id: btree.c,v 1.651 2009/07/04 15:41:03 danielk1977 Exp $
 **
 ** This file implements a external (disk-based) database using BTrees.
 ** See the header comment on "btreeInt.h" for additional information.
@@ -2236,13 +2236,12 @@ static int lockBtreeWithRetry(Btree *pRef){
 ** this routine unrefs the first page of the database file which 
 ** has the effect of releasing the read lock.
 **
-** If there are any outstanding cursors, this routine is a no-op.
-**
 ** If there is a transaction in progress, this routine is a no-op.
 */
 static void unlockBtreeIfUnused(BtShared *pBt){
   assert( sqlite3_mutex_held(pBt->mutex) );
-  if( pBt->inTransaction==TRANS_NONE && pBt->pCursor==0 && pBt->pPage1!=0 ){
+  assert( pBt->pCursor==0 || pBt->inTransaction>TRANS_NONE );
+  if( pBt->inTransaction==TRANS_NONE && pBt->pPage1!=0 ){
     assert( pBt->pPage1->aData );
     assert( sqlite3PagerRefcount(pBt->pPager)==1 );
     assert( pBt->pPage1->aData );