Merge enhancements from trunk via tempfiles-lazy-open.

FossilOrigin-Name: ae16310c4e9a9b7e94874bd912fc6a4324cfaa2b

diff --cc manifest
index 0105dfb0f4c18551f3deff84699cb6fd47bdc38b,3c58352a59a065945d65b8d1650505d4f768ba71..acc14071dc7987e257373a936630a48aae284341
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C On\scommit,\sflush\sdirty\stemp-file\spages\sonly\sif\sthe\sfile\sis\salready\sopen\sand\s25%\sor\smore\sof\sthe\scache\sis\sdirty.
- D 2016-04-13T16:52:11.775
 -C Merge\senhancements\sfrom\strunk.
 -D 2016-04-13T16:02:28.035
++C Merge\senhancements\sfrom\strunk\svia\stempfiles-lazy-open.
++D 2016-04-13T19:20:23.336
  F Makefile.in eba680121821b8a60940a81454316f47a341487a
  F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
  F Makefile.msc 71b8b16cf9393f68e2e2035486ca104872558836
@@@ -360,13 -360,13 +360,13 @@@ F src/os.h 91ff889115ecd01f436d3611f7f5
  F src/os_common.h b2f4707a603e36811d9b1a13278bffd757857b85
  F src/os_setup.h c9d4553b5aaa6f73391448b265b89bed0b890faa
  F src/os_unix.c bde4844f0849cab5924c6a81178f8500774ce76b
- F src/os_win.c b3ba9573d8d893e70a6a8015bbee572ecf7ffbef
+ F src/os_win.c b169437dff859e308b3726594094a2f8ca922941
  F src/os_win.h eb7a47aa17b26b77eb97e4823f20a00b8bda12ca
 -F src/pager.c 525f3698f9a6b47a6e0f5496675529a183c2462b
 +F src/pager.c 4d849ad718980d698157cd136a40dc91cbeff4d3
  F src/pager.h e1d38a2f14849e219df0f91f8323504d134c8a56
  F src/parse.y 10eb2f3fb62341291528c7984498054731f9d31e
 -F src/pcache.c e9c00846d3dcdaa75b288c6f16238c2fe2177823
 -F src/pcache.h 4d0ccaad264d360981ec5e6a2b596d6e85242545
 +F src/pcache.c d63b34cce0a8aba1fa552428b2790e13877db553
 +F src/pcache.h 60bc9893bfc0e16f8178fb5d8b6fcb8fab1d93c0
  F src/pcache1.c c40cdb93586e21b5dd826b5e671240bd91c26b05
  F src/pragma.c faf42922bb7ab2f6672cb550356c1967abae3c84
  F src/pragma.h 64c78a648751b9f4f297276c4eb7507b14b4628c
@@@ -1484,10 -1484,7 +1484,7 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P bbac71aa2aa2380d393cda3be64b0208b464b27e
- R d455655e720096e5ec7c439c248aa874
- T *branch * tempfiles-25
- T *sym-tempfiles-25 *
- T -sym-tempfiles-lazy-open *
- U dan
- Z 1d78549afb34b97c4ff4b3e2f6fd7c59
 -P bbac71aa2aa2380d393cda3be64b0208b464b27e 68142dc541b7a0a36fcb075a26f10f03c1e7c422
 -R 1994a5cf2620dcff255de451b3e7e2bc
++P f6babf2920340f25815c0a3c58de1e902c2f5542 e2edd34e79af906e7069e3e837730b12de0b73fe
++R ae2dffba3d0e430c251b8372421692c3
+ U drh
 -Z 9d74e847564ac60e89481ff586af6447
++Z 2aed413a070df399f71581c0517ce593

diff --cc manifest.uuid
index 5f347a440ec6f28e532a72cff60bf5595db8c3bc,461dc7f06f3749fe17f927deb67f6ca20b8b7450..de9f4ee7eebc92fa1be791c84b96d33ce00a9a48
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- f6babf2920340f25815c0a3c58de1e902c2f5542
 -e2edd34e79af906e7069e3e837730b12de0b73fe
++ae16310c4e9a9b7e94874bd912fc6a4324cfaa2b