Fix the header comment on codeEqualityTerm().

FossilOrigin-Name: b7e710e406ed22bcc316099b5e200b6bb2d9c872

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\sproblem\shandling\s(a,\sb)\sIN\s(SELECT\s...)\sexpressions\swhen\sthere\sis\san\sindex\son\sjust\sone\sof\s"a"\sor\s"b".
-D 2016-09-06T14:58:15.417
+C Fix\sthe\sheader\scomment\son\scodeEqualityTerm().
+D 2016-09-06T15:25:53.108
 F Makefile.in cfd8fb987cd7a6af046daa87daa146d5aad0e088
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 5017381e4853b1472e01d5bb926be1268eba429c
@@ -467,7 +467,7 @@ F src/wal.h 6dd221ed384afdc204bc61e25c23ef7fd5a511f2
 F src/walker.c 2d2cc7fb0f320f7f415215d7247f3c584141ac09
 F src/where.c 48d705e5196a0611a7be90698eade455ee238536
 F src/whereInt.h 14dd243e13b81cbb0a66063d38b70f93a7d6e613
-F src/wherecode.c 7279bb68e2f947ac5fe4c1fc655757b24878d541
+F src/wherecode.c 49125c4db8fbbf1a7013aa261d0d55230ae1b71a
 F src/whereexpr.c c5ec87e234faf62ac2d4e7f7ce18fb1f4bd475ff
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/affinity2.test a6d901b436328bd67a79b41bb0ac2663918fe3bd
@@ -1522,7 +1522,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 4071da2f87a2f24a279ac3bced8c794ad374b47c
-R 57b76f412decde1968bde74dac3d47dc
-U dan
-Z 9ca614bd00458fc036a54c6c73063696
+P 231c72d9f651f3a70d5c8af080f3ff181b89d939
+R f1724dce64a0910d56689218d8ab18df
+U drh
+Z ba82e808b5a71f302b7f5c7627019f3d

manifest.uuid

@@ -1 +1 @@
-231c72d9f651f3a70d5c8af080f3ff181b89d939
+b7e710e406ed22bcc316099b5e200b6bb2d9c872

src/wherecode.c

@@ -382,7 +382,11 @@ static void updateRangeAffinityStr(
 ** term can be either X=expr or X IN (...).   pTerm is the term to be 
 ** coded.
 **
-** The current value for the constraint is left in register iReg.
+** The current value for the constraint is left in a register, the index
+** of which is returned.  An attempt is made store the result in iTarget but
+** this is only guaranteed for TK_ISNULL and TK_IN constraints.  If the
+** constraint is a TK_EQ or TK_IS, then the current value might be left in
+** some other register and it is the caller's responsibility to compensate.
 **
 ** For a constraint of the form X=expr, the expression is evaluated in
 ** straight-line code.  For constraints of the form X IN (...)