Merge latest trunk into this branch.

FossilOrigin-Name: 577d1638362666a8220401d0d0d8bfb3c028ab09e7def1e4bf195db37269c22f

diff --cc manifest
index af3cc459f8837b64359ed30398db7b8ec7f2073a,31ec0424b96e9bf065d276077eb9cd39c58f05d9..af80ddb0f46b420b8ea4a725300f909e5df2653d
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,12 -1,12 +1,12 @@@
- C Add\smissing\scomments\sand\sfix\sother\scode\sissues\sin\sthe\snew\sfunctions\sin\scallback.c.
- D 2019-02-14T15:47:18.706
 -C Improved\soversized\scell\sdetection\swhen\supdating\sptrmap\spages\sin\nbalance_nonroot().
 -D 2019-02-14T15:27:12.650
++C Merge\slatest\strunk\sinto\sthis\sbranch.
++D 2019-02-14T15:56:59.827
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 -F Makefile.in 178d8eb6840771149cee40b322d1b3be30d330198c522c903c1b66fb5a1bfca4
 +F Makefile.in 56456706c4da271309914c756c9c8ea537685f1c79f8785afa72f968d6810482
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 -F Makefile.msc 5df60c70edb157feb2148a14c687551969599bd065875a0b959b6b139721ca72
 +F Makefile.msc bdc4f060e04769b7729b309becc0c3c5623c0f9d98b4d06da9b9ab029f2bad99
  F README.md 377233394b905d3b2e2b33741289e093bc93f2e7adbe00923b2c5958c9a9edee
- F VERSION 453e2f4529ca208196d5567db28d549d7151f79efd33f6e6cfe6e613e583a0be
+ F VERSION 288d756b1b7be03ecdbf1795c23af2c8425f2e46ba6979a14ef53360308f080d
  F aclocal.m4 a5c22d164aff7ed549d53a90fa56d56955281f50
  F art/sqlite370.eps aa97a671332b432a54e1d74ff5e8775be34200c2
  F art/sqlite370.ico af56c1d00fee7cd4753e8631ed60703ed0fc6e90
@@@ -455,11 -455,11 +455,11 @@@ F src/auth.c 0fac71038875693a937e506bce
  F src/backup.c 78d3cecfbe28230a3a9a1793e2ead609f469be43e8f486ca996006be551857ab
  F src/bitvec.c 17ea48eff8ba979f1f5b04cc484c7bb2be632f33
  F src/btmutex.c 8acc2f464ee76324bf13310df5692a262b801808984c1b79defb2503bbafadb6
- F src/btree.c 18046bf14f0e3fa294ef3f7c2dc30ca7e95f3ac11ec222ad906e40b150051bde
+ F src/btree.c 161b6a57b91d160065e512a4d0be180e402a16a059034a380cbdc2411924f8ac
  F src/btree.h 63b94fb38ce571c15eb6a3661815561b501d23d5948b2d1e951fbd7a2d04e8d3
- F src/btreeInt.h cd82f0f08886078bf99b29e1a7045960b1ca5d9d5829c38607e1299c508eaf00
+ F src/btreeInt.h 6111c15868b90669f79081039d19e7ea8674013f907710baa3c814dc3f8bfd3f
 -F src/build.c b0a9ee5b551afbc8357a68eb30693973300daf845c8c0e564f672d9b3fdeec56
 -F src/callback.c 25dda5e1c2334a367b94a64077b1d06b2553369f616261ca6783c48bcb6bda73
 +F src/build.c c6b40555c68a157d85b4fbd0e08842ce87a374aad685341b7b6fa05d87770ffb
 +F src/callback.c f928820315b31d2aca6f156a1d4aa61d2ccb62b98095839f3c95a352e5cbd1d7
  F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
  F src/ctime.c 109e58d00f62e8e71ee1eb5944ac18b90171c928ab2e082e058056e1137cc20b
  F src/date.c ebe1dc7c8a347117bb02570f1a931c62dd78f4a2b1b516f4837d45b7d6426957
@@@ -585,13 -584,13 +585,13 @@@ F src/update.c 0b973357d88092140531e07f
  F src/upsert.c 0dd81b40206841814d46942a7337786932475f085716042d0cb2fc7791bf8ca4
  F src/utf.c 810fbfebe12359f10bc2a011520a6e10879ab2a163bcb26c74768eab82ea62a5
  F src/util.c 82a2e3f691a3b654be872e305dab1f455e565dedf5e6a90c818c1ab307c00432
 -F src/vacuum.c a9f389f41556c0ec310bc9169dc9476603c30a0a913ad92bfbc75c86886967ca
 -F src/vdbe.c c67c8c46bea825421ee97511328fe1405537b586cbbe4db06e17c4ac5ab4dbed
 -F src/vdbe.h 712bca562eaed1c25506b9faf9680bdc75fc42e2f4a1cd518d883fa79c7a4237
 +F src/vacuum.c 7dbed4a756f014f3ce54e6ae3c403ee725e8179cf73fc6dd5c064e5627649f9f
- F src/vdbe.c 361c8525aa3670519a869fcce187880a441eb42fb1f729b4e34abff15bd09e9c
++F src/vdbe.c 33953552c3fd0fc798f69678520ba307da02f1a724a89580db6b1c805fa75b62
 +F src/vdbe.h 323218c4bfd64c719ba85d05fbc87cdd126991cadb39e73ccac7b59f30c3d53e
  F src/vdbeInt.h a76d5eed62c76bcd8de7afd3147fac1bc40c5a870582664bcd7d071ef437c37f
  F src/vdbeapi.c 57a2d794a8833f269b878dbc24e955369bdb379af6c4e93ebc5ce1a20fa3daf4
 -F src/vdbeaux.c 4fa28b32452f6197dba7c8780dde11576b9a6d8ce6f35adbb69efc3e7d37fa0c
 -F src/vdbeblob.c f5c70f973ea3a9e915d1693278a5f890dc78594300cf4d54e64f2b0917c94191
 +F src/vdbeaux.c 2f4fefdf74c484193de632c3c417c5886512f7a57f69a65dbdb858a58bc3f55a
 +F src/vdbeblob.c 08e58c6bef990008b8c2dbad4c99c56d3b622ee79433004484cce29b536e2ab9
  F src/vdbemem.c 3e89e087df928eba80e520824078dc563c579a0848b1557ac36845ec14392923
  F src/vdbesort.c 90aad5a92608f2dd771c96749beabdb562c9d881131a860a7a5bccf66dc3be7f
  F src/vdbetrace.c 79d6dbbc479267b255a7de8080eee6e729928a0ef93ed9b0bfa5618875b48392
@@@ -1808,7 -1804,7 +1808,7 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 53220ad7809954eb4118d9127849efa82787f43898af00c9127cd4998a12c619
- R 639533767f9b21a9c0316e043a80b041
 -P 167b91df77fff1a84791f6ab5f72239b90475475be690a838248119b6dd312f0
 -R 5fce60e5e60143c7168638176073d3e9
 -U drh
 -Z 1127274df05b3c005a32360404b93266
++P 441cabb62fe14bbef8b19066941426eeb2de128564ec2bfb762228fdae794447 aa61435a4c3800f023788081c1342ad6a05a41449a424fa6c039d5ca46072256
++R 96528ba9e3d3a3edef94be4823ee5551
 +U dan
- Z 809b95e78a96f620323c5b19c37c9944
++Z f1856b84c58ea8ee4d0aea1ccbbeace0

diff --cc manifest.uuid
index be70d9e797b2b77ec6e9ca11f4b59918cb152812,c6a49cf8dafa331f3da1f73a289224439b752924..8cbd5b460fa9893612c4cdadf949ffbaed03efe8
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 441cabb62fe14bbef8b19066941426eeb2de128564ec2bfb762228fdae794447
 -aa61435a4c3800f023788081c1342ad6a05a41449a424fa6c039d5ca46072256
++577d1638362666a8220401d0d0d8bfb3c028ab09e7def1e4bf195db37269c22f

diff --cc src/vdbe.c
Simple merge