diff --git a/main.mk b/main.mk
index caa16ed2af..f8379ab5c1 100644
--- a/main.mk
+++ b/main.mk
@@ -101,6 +101,7 @@ SRC = \
   $(TOP)/src/select.c \
   $(TOP)/src/shell.c \
   $(TOP)/src/sqlite.h.in \
+  $(TOP)/src/sqlite3ext.h \
   $(TOP)/src/sqliteInt.h \
   $(TOP)/src/table.c \
   $(TOP)/src/tclsqlite.c \
@@ -130,6 +131,24 @@ SRC += \
   $(TOP)/ext/fts1/fts1_porter.c \
   $(TOP)/ext/fts1/fts1_tokenizer.h \
   $(TOP)/ext/fts1/fts1_tokenizer1.c
+SRC += \
+  $(TOP)/ext/fts2/fts2.c \
+  $(TOP)/ext/fts2/fts2.h \
+  $(TOP)/ext/fts2/fts2_hash.c \
+  $(TOP)/ext/fts2/fts2_hash.h \
+  $(TOP)/ext/fts2/fts2_porter.c \
+  $(TOP)/ext/fts2/fts2_tokenizer.h \
+  $(TOP)/ext/fts2/fts2_tokenizer1.c
+
+# Generated source code files
+#
+SRC += \
+  keywordhash.h \
+  opcodes.c \
+  opcodes.h \
+  parse.c \
+  parse.h \
+  sqlite3.h
 
 
 # Source code to the test files.
@@ -182,16 +201,19 @@ HDR = \
 
 # Header files used by extensions
 #
-HDR += \
+EXTHDR += \
   $(TOP)/ext/fts1/fts1.h \
   $(TOP)/ext/fts1/fts1_hash.h \
   $(TOP)/ext/fts1/fts1_tokenizer.h
+EXTHDR += \
+  $(TOP)/ext/fts2/fts2.h \
+  $(TOP)/ext/fts2/fts2_hash.h \
+  $(TOP)/ext/fts2/fts2_tokenizer.h
 
 
 # Header files used by the VDBE submodule
 #
 VDBEHDR = \
-   $(HDR) \
    $(TOP)/src/vdbeInt.h
 
 # This is the default Makefile target.  The objects listed here
@@ -222,12 +244,11 @@ objects: $(LIBOBJ_ORIG)
 # files are automatically generated.  This target takes care of
 # all that automatic generation.
 #
-target_source:	$(SRC) $(VDBEHDR) opcodes.c keywordhash.h
+target_source:	$(SRC)
 	rm -rf tsrc
 	mkdir tsrc
-	cp $(SRC) $(VDBEHDR) tsrc
+	cp $(SRC) tsrc
 	rm tsrc/sqlite.h.in tsrc/parse.y
-	cp parse.c opcodes.c keywordhash.h tsrc
 
 # Rules to build the LEMON compiler generator
 #
@@ -371,22 +392,22 @@ util.o:	$(TOP)/src/util.c $(HDR)
 vacuum.o:	$(TOP)/src/vacuum.c $(HDR)
 	$(TCCX) -c $(TOP)/src/vacuum.c
 
-vdbe.o:	$(TOP)/src/vdbe.c $(VDBEHDR)
+vdbe.o:	$(TOP)/src/vdbe.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vdbe.c
 
-vdbeapi.o:	$(TOP)/src/vdbeapi.c $(VDBEHDR)
+vdbeapi.o:	$(TOP)/src/vdbeapi.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vdbeapi.c
 
-vdbeaux.o:	$(TOP)/src/vdbeaux.c $(VDBEHDR)
+vdbeaux.o:	$(TOP)/src/vdbeaux.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vdbeaux.c
 
-vdbefifo.o:	$(TOP)/src/vdbefifo.c $(VDBEHDR)
+vdbefifo.o:	$(TOP)/src/vdbefifo.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vdbefifo.c
 
-vdbemem.o:	$(TOP)/src/vdbemem.c $(VDBEHDR)
+vdbemem.o:	$(TOP)/src/vdbemem.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vdbemem.c
 
-vtab.o:	$(TOP)/src/vtab.c $(VDBEHDR)
+vtab.o:	$(TOP)/src/vtab.c $(VDBEHDR) $(HDR)
 	$(TCCX) -c $(TOP)/src/vtab.c
 
 where.o:	$(TOP)/src/where.c $(HDR)
diff --git a/manifest b/manifest
index 7a68f44c84..1327744a82 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\stypos\sin\stest\snaming\s(was\susing\s'e'\sinstead\sof\s'f').\s(CVS\s3655)
-D 2007-02-23T00:14:06
+C Clarify\sthe\sdocumentation\son\show\scomparisons\soccur\sin\san\sIN\soperator.\r\nFix\sthe\scomparison\soperators\swhen\sboth\ssides\sof\san\sIN\soperator\sare\r\nexpressions\s(ticket\s#2248).\r\nChanges\sto\smain.mk\sfor\sadding\sFTS2\sinto\sthe\sstandard\sbuild\salso\r\ngot\smixed\sin\swith\sthis\scheck-in\sby\smistake.\s(CVS\s3656)
+D 2007-02-23T03:00:45
 F Makefile.in 1fe3d0b46e40fd684e1e61f8e8056cefed16de9f
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -42,7 +42,7 @@ F ext/fts2/fts2_tokenizer.h 4c5ffe31d63622869eb6eec1503df7f6996fd1bd
 F ext/fts2/fts2_tokenizer1.c b26f0d2fae967fbe5722f82d08506d35f10ac4e7
 F install-sh 9d4de14ab9fb0facae2f48780b874848cbf2f895
 F ltmain.sh 56abb507100ed2d4261f6dd1653dec3cf4066387
-F main.mk 22acd3d279ec40ba6959af643ba25975fcfbdcc7
+F main.mk cdb182b8940da62384f8cd0c527a3d32d5216aa1
 F mkdll.sh cbc7d92d02f9317a3d24ab55bb727275417260ca
 F mkopcodec.awk bd46ad001c98dfbab07b1713cb8e692fa0e5415d
 F mkopcodeh.awk cde995d269aa06c94adbf6455bea0acedb913fa5
@@ -65,7 +65,7 @@ F src/complete.c 7d1a44be8f37de125fcafd3d3a018690b3799675
 F src/date.c 393c73fc027597e008dcd81454544659e978b05c
 F src/delete.c 151d08386bf9c9e7f92f6b9106c71efec2def184
 F src/experimental.c 1b2d1a6cd62ecc39610e97670332ca073c50792b
-F src/expr.c a7c2369b2ba300aac4fadaf61e14c1dabaaf5d34
+F src/expr.c 24d52bd600aa5769ce60c6263275f8013ea5eb87
 F src/func.c b7e1e220a6795ecae7649815145ea5f8644dfa5f
 F src/hash.c 449f3d6620193aa557f5d86cbc5cc6b87702b185
 F src/hash.h 1b3f7e2609141fd571f62199fc38687d262e9564
@@ -336,7 +336,7 @@ F test/trigger6.test 0e411654f122552da6590f0b4e6f781048a4a9b9
 F test/trigger7.test 0afa870be2ce1b132cdb85b17a4a4ef45aa8cece
 F test/trigger8.test 3a09275aa2214fdff56f731b1e775d8dfee4408a
 F test/types.test 98e7a631bddf0806204358b452b02d0e319318a6
-F test/types2.test 202b1afacdb80eddbb5fb5fab6207daaf5b4dfe1
+F test/types2.test 3555aacf8ed8dc883356e59efc314707e6247a84
 F test/types3.test ea0ddf793ad5cd17c3b029dd8f48473059f873b6
 F test/unique.test 0253c4227a5dc533e312202ce21ecfad18058d18
 F test/update.test 7669ca789d62c258b678e8aa7a22a57eac10f2cf
@@ -396,7 +396,7 @@ F www/conflict.tcl cdd0f4b59b0ba6d61f67e6a38f3ae45853bacb30
 F www/copyright-release.html 294e011760c439c44951a6bfecd4c81a1ae359e8
 F www/copyright-release.pdf cfca3558fc97095e57c6117d08f1f5b80d95125a
 F www/copyright.tcl 58b9586cac0d5914387cfc170bfd80f999dde469
-F www/datatype3.tcl cec3949b77a1593e89a43272a0a9cdcb1937045a
+F www/datatype3.tcl 61baf9328eaba3d20eb7d8351a1eacfced8d4383
 F www/datatypes.tcl 7c786d2e8ff434346764534ec015966d17efce60
 F www/different.tcl 8b76ae88bf73e38097b7936e198df4f89baf587c
 F www/direct1b.gif 32b48b764244817b6b591898dc52a04299a7b8a7
@@ -432,7 +432,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P d8845ac1fbf8c3f483d47c35f908817ea37128ec
-R de64fb8cd0d6cb407730f343a5bbbd5e
-U shess
-Z f8e3df05d8b0f0ac4236ebfa09ee3629
+P 16cb00adeb3b68220ba2567b86b230bbbf2a0330
+R 8a25a5e663e2db06c8559f7592894f39
+U drh
+Z fea7b5a99e3b60f2d1d6571464477514
diff --git a/manifest.uuid b/manifest.uuid
index 481971e7f0..a713b7a30c 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-16cb00adeb3b68220ba2567b86b230bbbf2a0330
\ No newline at end of file
+da81725ca1cd894b3f2d734767e10cc0dc329566
\ No newline at end of file
diff --git a/src/expr.c b/src/expr.c
index 530118ba2f..12a0023eaa 100644
--- a/src/expr.c
+++ b/src/expr.c
@@ -12,7 +12,7 @@
 ** This file contains routines used for analyzing expressions and
 ** for generating VDBE code that evaluates expressions in SQLite.
 **
-** $Id: expr.c,v 1.276 2007/02/14 09:19:36 danielk1977 Exp $
+** $Id: expr.c,v 1.277 2007/02/23 03:00:45 drh Exp $
 */
 #include "sqliteInt.h"
 #include <ctype.h>
@@ -131,7 +131,7 @@ static char comparisonAffinity(Expr *pExpr){
     aff = sqlite3CompareAffinity(pExpr->pSelect->pEList->a[0].pExpr, aff);
   }
   else if( !aff ){
-    aff = SQLITE_AFF_NUMERIC;
+    aff = SQLITE_AFF_NONE;
   }
   return aff;
 }
diff --git a/test/types2.test b/test/types2.test
index 5a6efb136b..4a70aa5fe2 100644
--- a/test/types2.test
+++ b/test/types2.test
@@ -12,7 +12,7 @@
 # of this file is testing the interaction of manifest types, type affinity
 # and comparison expressions.
 #
-# $Id: types2.test,v 1.6 2006/05/23 23:22:29 drh Exp $
+# $Id: types2.test,v 1.7 2007/02/23 03:00:45 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -204,7 +204,7 @@ ifcapable subquery {
   test_bool types2-5.2 {} {10 IN ('10.0', 20)} 0
   test_bool types2-5.3 {} {'10' IN ('10.0', 20)} 0
   test_bool types2-5.4 {} {10 IN (10.0, 20)} 1
-  test_bool types2-5.5 {} {'10.0' IN (10, 20)} 1
+  test_bool types2-5.5 {} {'10.0' IN (10, 20)} 0
   
   # Compare literals against a column with TEXT affinity
   test_bool types2-5.6 {t1='10.0'} {t1 IN (10.0, 20)} 1
@@ -229,6 +229,33 @@ ifcapable subquery {
   test_bool types2-5.21 {o1='10.0'} {o1 IN (10, 20, '10.0')} 1
   test_bool types2-5.22 {o1='10'} {o1 IN (10.0, 20, '10')} 1
   test_bool types2-5.23 {o1=10} {n1 IN (20, '10', 10)} 1
+
+  # Ticket #2248:  Comparisons of strings literals that look like
+  # numbers.
+  test_bool types2-5.24 {} {'1' IN ('1')} 1
+  test_bool types2-5.25 {} {'2' IN (2)} 0
+  test_bool types2-5.26 {} {3 IN ('3')} 0
+  test_bool types2-5.27 {} {4 IN (4)} 1
+
+  # The affinity of columns on the right side of IN(...) is ignored.
+  # All values in the expression list are treated as ordinary expressions,
+  # even if they are columns with affinity.
+  test_bool types2-5.30 {t1='10'} {10 IN (5,t1,'abc')} 0
+  test_bool types2-5.31 {t1='10'} {10 IN ('abc',t1,5)} 0
+  test_bool types2-5.32 {t1='010'} {10 IN (5,t1,'abc')} 0
+  test_bool types2-5.33 {t1='010'} {10 IN ('abc',t1,5)} 0
+  test_bool types2-5.34 {t1='10'} {'10' IN (5,t1,'abc')} 1
+  test_bool types2-5.35 {t1='10'} {'10' IN ('abc',t1,5)} 1
+  test_bool types2-5.36 {t1='010'} {'10' IN (5,t1,'abc')} 0
+  test_bool types2-5.37 {t1='010'} {'10' IN ('abc',t1,5)} 0
+  
+  # Columns on both the left and right of IN(...).  Only the column
+  # on the left matters.  The all values on the right are treated like
+  # expressions.
+  test_bool types2-5.40 {t1='10',n1=10} {t1 IN (5,n1,11)} 1
+  test_bool types2-5.41 {t1='010',n1=10} {t1 IN (5,n1,11)} 0
+  test_bool types2-5.42 {t1='10',n1=10} {n1 IN (5,t1,11)} 1
+  test_bool types2-5.43 {t1='010',n1=10} {n1 IN (5,t1,11)} 1
 }
 
 # Tests named types2-6.* use the same infrastructure as the types2-2.*
diff --git a/www/datatype3.tcl b/www/datatype3.tcl
index 52e462dd91..ea5ef44ba7 100644
--- a/www/datatype3.tcl
+++ b/www/datatype3.tcl
@@ -1,4 +1,4 @@
-set rcsid {$Id: datatype3.tcl,v 1.14 2006/05/23 23:22:29 drh Exp $}
+set rcsid {$Id: datatype3.tcl,v 1.15 2007/02/23 03:00:46 drh Exp $}
 source common.tcl
 header {Datatypes In SQLite Version 3}
 puts {
@@ -225,8 +225,12 @@ similar manner to "a = b"). For example if 'b' is a column value
 and 'a' is an expression, then the affinity of 'b' is applied to 'a'
 before any comparisons take place.</P>
 
-<P>SQLite treats the expression "a IN (x, y, z)" as equivalent to "a = z OR
-a = y OR a = z".
+<P>SQLite treats the expression "a IN (x, y, z)" as equivalent to "a = +x OR
+a = +y OR a = +z".  The values to the right of the IN operator (the "x", "y",
+and "z" values in this example) are considered to be expressions, even if they
+happen to be column values.  If the value of the left of the IN operator is
+a column, then the affinity of that column is used.  If the value is an
+expression then no conversions occur.
 </P>
 
 <h4>3.1 Comparison Example</h4>