Merge the ParseCleanup enhancement to trunk.

FossilOrigin-Name: 35824c1bcbd89ae4a94acfbe511bfbd888c418b981819e72bc9a991fc82d136c

diff --cc manifest
index 5be196cbe61c367c883d2f8f5376557692aa1124,cfee239768e3826c7ee33fe8200111fd600c002c..018db9705447676df0df70129f69f9fcc7d7be01
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Rerun\sautoconf.
- D 2021-01-12T14:23:03.305
 -C Fix\sa\spotential\suse-after-free\sfollowing\san\sOOM\sin\ssqlite3ParserAddCleanup()\nand\sadd\sa\smechanism\sto\sdetect\ssituations\swhere\sthis\smight\soccur\sin\sthe\nfuture.
 -D 2021-01-12T15:30:01.102
++C Merge\sthe\sParseCleanup\senhancement\sto\strunk.
++D 2021-01-12T16:26:36.110
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1895,7 -1895,7 +1895,8 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
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  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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  U drh
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++Z 9c0d514193cce7631d3a6adc01edb18c

diff --cc manifest.uuid
index f482c2e88621ac01890c3cb2713ec329476f781c,0e810795ba7f5fd85f4361e2ebadc2f4b253b21e..730c7d084cc0e490efa7ceae154d891dd0797b26
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 8f3ab5da4c8906b63e2c1a0021a3ba4f60e7199e8640518060f998876a002663
 -38ef8ab9830e12acd2c710e113939b1f8dced02612c6933c37a3c948a4030d0a
++35824c1bcbd89ae4a94acfbe511bfbd888c418b981819e72bc9a991fc82d136c