Performance enhancements for queries using very large string values.

FossilOrigin-Name: 3661b9cd98565ea23b0cafd030668f09885dcbd54eb12b7b3cd85c289aef4c3c

diff --cc manifest
index 1eaf96f72f96578ad70c1de00d5ff57ccd38c0ca,6095497a505528d20042c7de5aa44081d634eb98..ad864a87b74c455c146d9cd6c0ec595d777e1185
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Performance\senhancements\sto\sthe\sJSON\sparser\sand\scode\sgenerator.
- D 2023-07-19T23:02:45.962
 -C Mark\san\sunreachable\sbranch\sas\sNEVER().
 -D 2023-07-21T22:22:13.828
++C Performance\senhancements\sfor\squeries\susing\svery\slarge\sstring\svalues.
++D 2023-07-21T22:28:34.848
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  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
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  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 10f9cdd123142f17851ceda249984b922b4295a3,58efe19050aa9c5884d1ac3ca7c9ebd6d1b69c70..654e87bd4c9a0578008dd768b6dbdb9ecaa6149a
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
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