Merge all the latest trunk enhancements into jsonb branch.

FossilOrigin-Name: ac242c4d47ec36aab1c2fa5e65e7b595e686f49473b75bd63708d05c59ce3f0f

diff --cc manifest
index 9cc27fb47c4ee6a05756f16d1170628695791039,9bac2ff85afa3aed8eaaa9a6c58977e4e17aa133..06d1240d09514905e9be68ac2e73e49a1be1cf28
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C When\sparsing\sJSON\stext\sinto\sthe\sBLOB\sformat,\sonly\suse\snode\stype\sJSONB_TEXTJ\nfor\san\sunquoted\sobject\slabel\sif\sthe\sobject\slabel\scontains\sescape\ssequences.
- D 2023-09-25T17:14:17.033
 -C Remove\sunreachable\scode\sfrom\sthe\spartial-index\sconstant\svalue\soptimization\n([8d4160910d651246]).
 -D 2023-09-26T14:57:30.688
++C Merge\sall\sthe\slatest\strunk\senhancements\sinto\sjsonb\sbranch.
++D 2023-09-26T15:13:04.116
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -2121,8 -2122,8 +2122,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P 14f2e95a9e531ef0d3fa7f1249f23c073a50c31b2109eefc2f258cada635ac2f
- R 0f073ae43da95216a48accf876602e9c
 -P 2ca5cbbb2a8ee94fe9f4888dea695a4429aefa17611fd9ebe59bf4866290ab0c
 -R 7fc2efddbfed5290d0fd8b34e469e9ec
++P a82ebbac3c542ec7f86d1e8414d7fd166db48450115ee3b26d12b5bb445f5896 7ad38254c37153efa72291d09800693ca60894359548eda877d59defa8c70d49
++R 2f21564c602d3b30115c3421d174134f
  U drh
- Z 7639209733392bafef0d3cec4e521036
 -Z 2254e5e49bb8f0388e0f9a972f9f0c10
++Z bdae2aab159970d0c164367006c6960b
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 93079e8a7aa92e9829a513f520a2c4b2ce17d9a8,289069b308dfab575b6f6b91c27aeaf3b98fffab..4de851b60c78499320b25cccd03edb578b0badcd
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- a82ebbac3c542ec7f86d1e8414d7fd166db48450115ee3b26d12b5bb445f5896
 -7ad38254c37153efa72291d09800693ca60894359548eda877d59defa8c70d49
++ac242c4d47ec36aab1c2fa5e65e7b595e686f49473b75bd63708d05c59ce3f0f