diff --git a/manifest b/manifest
index c12c473dca..690d3adac6 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C If\sa\stable\shas\sone\sor\smore\srows\sand\sit\shas\sa\spartial\sindex\shas\szero\srows,\nstill\smake\san\sentry\sin\sthe\ssqlite_stat1\stable\sfor\sthe\spartial\sindex,\sso\sthat\nwe\sknow\sthat\s"PRAGMA\soptimize"\sdoes\snot\sneed\sto\sredo\sthe\swhole\stable.
-D 2024-02-19T16:22:58.040
+C Merge\strunk\sfixes\sinto\sthe\sbetter-optimize\sbranch.
+D 2024-02-19T18:55:32.241
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -723,7 +723,7 @@ F src/os.h 1ff5ae51d339d0e30d8a9d814f4b8f8e448169304d83a7ed9db66a65732f3e63
 F src/os_common.h 6c0eb8dd40ef3e12fe585a13e709710267a258e2c8dd1c40b1948a1d14582e06
 F src/os_kv.c 4d39e1f1c180b11162c6dc4aa8ad34053873a639bac6baae23272fc03349986a
 F src/os_setup.h 6011ad7af5db4e05155f385eb3a9b4470688de6f65d6166b8956e58a3d872107
-F src/os_unix.c fa9b81b642e60e77ffaf98bd1a2e5fde16c1c2317614ec178bf3bd5864772356
+F src/os_unix.c 8d7533b3b4d0d2d6ddd34d1ebc92f50a91f04e722a3a9295a000bc3c25128e2f
 F src/os_win.c 6ff43bac175bd9ed79e7c0f96840b139f2f51d01689a638fd05128becf94908a
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 F src/pager.c ff60e98138d2499082ac6230f01ac508aba545315debccfca2fd6042f5f10fcd
@@ -735,7 +735,7 @@ F src/pcache1.c 602acb23c471bb8d557a6f0083cc2be641d6cafcafa19e481eba7ef4c9ca0f00
 F src/pragma.c 0bd3737acf69282fb1733e170a88a5caf3dba088092665e603ee5a6d651c0e2f
 F src/pragma.h e690a356c18e98414d2e870ea791c1be1545a714ba623719deb63f7f226d8bb7
 F src/prepare.c 371f6115cb69286ebc12c6f2d7511279c2e47d9f54f475d46a554d687a3b312c
-F src/printf.c 18fbdf028345c8fbe6044f5f5bfda5a10d48d6287afef088cc21b0ca57985640
+F src/printf.c d3392b2a20ee314ddeef34fb43c904bf4619eb20ff9a9e07e3950a7e4dcd6912
 F src/random.c 606b00941a1d7dd09c381d3279a058d771f406c5213c9932bbd93d5587be4b9c
 F src/resolve.c d77c6160bc8f249c2196fdd3e75f66a1dd70e37aa25c39aedc7b1f93c42b7c6d
 F src/rowset.c 8432130e6c344b3401a8874c3cb49fefe6873fec593294de077afea2dce5ec97
@@ -807,7 +807,7 @@ F src/trigger.c 0905b96b04bb6658509f711a8207287f1315cdbc3df1a1b13ba6483c8e341c81
 F src/update.c 6904814dd62a7a93bbb86d9f1419c7f134a9119582645854ab02b36b676d9f92
 F src/upsert.c fa125a8d3410ce9a97b02cb50f7ae68a2476c405c76aa692d3acf6b8586e9242
 F src/utf.c f23165685a67b4caf8ec08fb274cb3f319103decfb2a980b7cfd55d18dfa855e
-F src/util.c 078f040366d5bd5f47658d045f901c768c1c636c6eaea121f3a1cbd63c3edb5b
+F src/util.c 3ed7ded64ecc8670acdcbb72e8df9b0a58845cb0c36639573eb0d5155121901a
 F src/vacuum.c 604fcdaebe76f3497c855afcbf91b8fa5046b32de3045bab89cc008d68e40104
 F src/vdbe.c 805af8bec9cae76a873b0ec4c91c3d1bd49b38e86c1c533ed87ec7a07a5042a5
 F src/vdbe.h 88e19a982df9027ec1c177c793d1a5d34dc23d8f06e3b2d997f43688b05ee0eb
@@ -1489,7 +1489,7 @@ F test/pragma4.test ca5e4dfc46adfe490f75d73734f70349d95a199e6510973899e502eef2c8
 F test/pragma5.test 7b33fc43e2e41abf17f35fb73f71b49671a380ea92a6c94b6ce530a25f8d9102
 F test/pragmafault.test 275edaf3161771d37de60e5c2b412627ac94cef11739236bec12ed1258b240f8
 F test/prefixes.test b524a1c44bffec225b9aec98bd728480352aa8532ac4c15771fb85e8beef65d9
-F test/printf.test 512152dca7f2f578f045a5a732e7bee08e4f47a8a212f83ce46791b518eba70f
+F test/printf.test 685fec5a0c5af2490ab0632775a301554361d674211d690f5bee0a97b05333de
 F test/printf2.test 3f55c1871a5a65507416076f6eb97e738d5210aeda7595a74ee895f2224cce60
 F test/progress.test ebab27f670bd0d4eb9d20d49cef96e68141d92fb
 F test/ptrchng.test ef1aa72d6cf35a2bbd0869a649b744e9d84977fc
@@ -2162,8 +2162,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 44ed7f4cd07a88a2fdd303a2c78e6babe01d7344b399bd2b80ed68d75a77aaa2
-R 425f4513952a4b2a7a3cf3f40b480a46
+P e147b18991dd462fff367442acb0504fdf193a31843ed34ec8c1ced30747bf8a f18b2524da6bbbcf372b292df52fbe6efa49fd6e1f1f13ef2447279d559f7a08
+R fada2b9bf9b286f261a00cb9eda0fee2
 U drh
-Z 08209902059a589603329b04ece67a70
+Z 513df274231a3535cbd843c1569f620b
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 5ae06f96c4..b04ec72a34 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-e147b18991dd462fff367442acb0504fdf193a31843ed34ec8c1ced30747bf8a
\ No newline at end of file
+2cf78a5b5fce7f2d49ce185d27f50722c91a1d6c91bbcecebd4bb5244a76769f
\ No newline at end of file
diff --git a/src/os_unix.c b/src/os_unix.c
index 4b3d63c2c1..4663c22d94 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -1295,8 +1295,12 @@ static int unixLogErrorAtLine(
   ** available, the error message will often be an empty string. Not a
   ** huge problem. Incorrectly concluding that the GNU version is available
   ** could lead to a segfault though.
+  **
+  ** Forum post 3f13857fa4062301 reports that the Android SDK may use
+  ** int-type return, depending on its version.
   */
-#if defined(STRERROR_R_CHAR_P) || defined(__USE_GNU)
+#if (defined(STRERROR_R_CHAR_P) || defined(__USE_GNU)) \
+  && !defined(ANDROID) && !defined(__ANDROID__)
   zErr =
 # endif
   strerror_r(iErrno, aErr, sizeof(aErr)-1);
diff --git a/src/printf.c b/src/printf.c
index c6b3803ca9..2e09431bf2 100644
--- a/src/printf.c
+++ b/src/printf.c
@@ -498,6 +498,7 @@ void sqlite3_str_vappendf(
         if( xtype==etFLOAT ){
           iRound = -precision;
         }else if( xtype==etGENERIC ){
+          if( precision==0 ) precision = 1;
           iRound = precision;
         }else{
           iRound = precision+1;
diff --git a/src/util.c b/src/util.c
index 207b901bad..4aa82d0636 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1069,7 +1069,7 @@ void sqlite3FpDecode(FpDecode *p, double r, int iRound, int mxRound){
   assert( p->n>0 );
   assert( p->n<sizeof(p->zBuf) );
   p->iDP = p->n + exp;
-  if( iRound<0 ){
+  if( iRound<=0 ){
     iRound = p->iDP - iRound;
     if( iRound==0 && p->zBuf[i+1]>='5' ){
       iRound = 1;
diff --git a/test/printf.test b/test/printf.test
index 6d4ad71d28..cc439e6172 100644
--- a/test/printf.test
+++ b/test/printf.test
@@ -3833,4 +3833,21 @@ do_execsql_test printf-18.1 {
   SELECT length( format('%,.249f', -5.0e-300) );
 } {252}
 
+# 2024-02-16
+# https://sqlite.org/forum/info/393708f4a8
+#
+# The problem introduced by on 2023-07-03 by
+# https://sqlite.org/src/info/32befb224b254639
+#
+do_execsql_test printf-19.1 {
+  SELECT format('%0.0f %0.0g %0.0g', 0.9, 0.09, 1.9);
+} {{1 0.09 2}}
+do_execsql_test printf-19.2 {
+  SELECT format('%0.0f %#0.0f',0.0, 0.0);
+} {{0 0.}}
+do_execsql_test printf-19.3 {
+  SELECT format('%,.0f %,.0f',12345e+10, 12345e+11);
+} {{123,450,000,000,000 1,234,500,000,000,000}}
+
+
 finish_test