Add the sqlite3_error_offset() interface. Use it to enhance error reporting

in the CLI.

FossilOrigin-Name: 416602a85101c2cd1705eb5306a8933e54cb05ae1562400395ec2769173dec01

diff --cc manifest
index 5af43f276285984c4d609de8eb33a758f41400bb,7b690ae7780d9cd6617cf7588d6c3a9e97146022..11d3f29ca8519c241ef891539ee8d4bb2c4acd5a
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,5 @@@
- C Make\s.read's\shelp\stell\sof\spiped\sinput
- D 2021-12-29T04:10:49.377
 -C Fix\sthe\sbuild-breaker\sbug\sin\stest1.c\sintroduced\sby\scheck-in\s[7fa20ca4c09ab024].
 -D 2021-12-29T04:08:11.285
++C Add\sthe\ssqlite3_error_offset()\sinterface.\sUse\sit\sto\senhance\serror\sreporting\nin\sthe\sCLI.
++D 2021-12-29T04:13:37.296
  F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
  F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
  F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@@ -1934,9 -1934,8 +1934,9 @@@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a9
  F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
  F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
  F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
- P e773d6219bded9a5dfa9930882682dadaa7f1c6be344dbde904c9477a89f2d2c
- Q +e4ddcd8aa582c1130c34e9f05cd3e5f96ebf03c97a36c09ca442e3612fee4a20
- R 14c1f60040b224770372f56c44f369ea
 -P e4ddcd8aa582c1130c34e9f05cd3e5f96ebf03c97a36c09ca442e3612fee4a20
++P 155c3e9c7ccd6fd644cc64b027cf460112c491e5f9202dd76cefe2000936ad80 5f804da1820c98e7ff5c377e57e30b5154844b92ce622ed2ff888fe2c887e1ca
+ R 258b3a6c81183d6fd1aebc821d3d480b
++T +closed 5f804da1820c98e7ff5c377e57e30b5154844b92ce622ed2ff888fe2c887e1ca
  U drh
- Z b1b19652da5b10420ed86fb57926a031
 -Z c81e1f18d29297bc5455db4d8770f644
++Z 52cc78f07738120203d38f1772740b4b
  # Remove this line to create a well-formed Fossil manifest.

diff --cc manifest.uuid
index 1c6ee2bf05917517056db9b0969ec70bd8ceed0a,9adea975c1efe9801cc482ae907bf9310dce21d7..852ff49438d825d6fb19ee7f5ab992da4c37802d
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- 155c3e9c7ccd6fd644cc64b027cf460112c491e5f9202dd76cefe2000936ad80
 -5f804da1820c98e7ff5c377e57e30b5154844b92ce622ed2ff888fe2c887e1ca
++416602a85101c2cd1705eb5306a8933e54cb05ae1562400395ec2769173dec01