Merge the EXPLAIN QUERY PLAN changes from experimental into trunk.

FossilOrigin-Name: ce27bf38405ce805dad95ec22cbe68ddc7af544a

diff --cc manifest
index d0983373627d0c0107cbdb6700a59cd15e33f255,7c2d1b53ab8d160635e5e29d7de8e52bf7b878f2..291e0dd7766d7c684ae8cbb5cb0b2c98c526f9db
--- 1/manifest
--- 2/manifest
+++ b/manifest
@@@ -1,5 -1,5 +1,8 @@@
- C Minor\sadditions\sto\svacuum.test.
- D 2010-11-15T11:35:50
 -C Change\sthe\sEXPLAIN\sQUERY\sPLAN\soutput\sto\suse\s"USING\sINDEX"\sinstead\sof\s"BY\sINDEX",\sand\sto\suse\s"SEARCH"\sinstead\sof\s"SCAN"\sfor\sloops\sthat\sare\snot\sfull-table\sscans.
 -D 2010-11-13T16:42:27
++-----BEGIN PGP SIGNED MESSAGE-----
++Hash: SHA1
++
++C Merge\sthe\sEXPLAIN\sQUERY\sPLAN\schanges\sfrom\sexperimental\sinto\strunk.
++D 2010-11-15T14:44:30
  F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
  F Makefile.in e7a59672eaeb04408d1fa8501618d7501a3c5e39
  F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@@ -885,7 -886,7 +889,14 @@@ F tool/speedtest2.tcl ee2149167303ba8e9
  F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
  F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
  F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
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diff --cc manifest.uuid
index f63a03e803738fea2488dc450805158d9756bd8f,ea53f06c01368f16f02965393ddf85a40a05564c..5e7c0ff67c3ec5bb5bf994fd19899e1581a1f0bd
--- 1/manifest.uuid
--- 2/manifest.uuid
+++ b/manifest.uuid
@@@ -1,1 -1,1 +1,1 @@@
- a397ed162246fef32b8c5db36d995bf9a8005a2e
 -6611b76b0296875fb9903b25dfaa783a9c12eaa1
++ce27bf38405ce805dad95ec22cbe68ddc7af544a