Minor comment improvements.

FossilOrigin-Name: 6854b5919beefa43da21ba739e82d583183c8cdfe5dd63e27a810ac1ffe2330b

manifest

@@ -1,5 +1,5 @@
-C Get\sthe\s"omit\sORDER\sBY\sin\sFROM-clause\ssubqueries"\soptimization\sworking\sfor\sthe\ncore\stest\scases.
-D 2021-07-16T01:19:19.310
+C Minor\scomment\simprovements.
+D 2021-07-16T20:16:19.970
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -542,14 +542,14 @@ F src/pragma.h 8dc78ab7e9ec6ce3ded8332810a2066f1ef6267e2e03cd7356ee00276125c6cf
 F src/prepare.c 0d53d20532aada295c1690792a125adbd6435f5ce703ff0adf1b9b3605238b67
 F src/printf.c 78fabb49b9ac9a12dd1c89d744abdc9b67fd3205e62967e158f78b965a29ec4b
 F src/random.c 097dc8b31b8fba5a9aca1697aeb9fd82078ec91be734c16bffda620ced7ab83c
-F src/resolve.c 9b54a60702c35b3efbeb5d0439a94d67c4cb93a896e1afa89f21d7a9d183a071
+F src/resolve.c ea205123fba6bb254666f50b6c220270913eae54eb03d263abaa432c703f5857
 F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
 F src/select.c 0c783511b5f35b37d971dcd653c554d21f74d7cb63a4979991a61d068480c40f
 F src/shell.c.in 856de2945bb7fdfdeebe7136cf1b59d24618845aa5e5f3937fda7ff37c623b51
 F src/sqlite.h.in a5d5641afa335226231231c7b6e424de327f17577d9e8aeaaaab78d9bbbcf381
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h e97f4e9b509408fea4c4e9bef5a41608dfac343b4d3c7a990dedde1e19af9510
-F src/sqliteInt.h 74ca9667448fa7aaadcb91bd3fd22732c7f7e05903a53429e653a4a01e4c8efd
+F src/sqliteInt.h a71d18dc76a2768ec2b7671b5b5996a8725677bf77a987b451323b4451099061
 F src/sqliteLimit.h d7323ffea5208c6af2734574bae933ca8ed2ab728083caa117c9738581a31657
 F src/status.c 4b8bc2a6905163a38b739854a35b826c737333fab5b1f8e03fa7eb9a4799c4c1
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@ -1920,7 +1920,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P ef97c3e7c3ea2cf1a4db6591328fe7ce3f1d189afc2d578159135824ec89e620
-R f27eb88a1585b6967c8257fe374701ea
+P e31c5888659ffd4c6d8b68627123df3bbb84bb010b7766b0a74877bf3ba1e52b
+R 2b5d3bf35c291d863ff2cdabf1b23aa4
 U drh
-Z 493c03b78cdd1bd0aeff046f5ac8dff0
+Z 8fd4496f447f68e71867e0b05442b99f

manifest.uuid

@@ -1 +1 @@
-e31c5888659ffd4c6d8b68627123df3bbb84bb010b7766b0a74877bf3ba1e52b
+6854b5919beefa43da21ba739e82d583183c8cdfe5dd63e27a810ac1ffe2330b

src/resolve.c

@@ -1635,7 +1635,7 @@ static int resolveSelectStep(Walker *pWalker, Select *p){
       p->pOrderBy = 0;
     }
   
-    /* Recursively resolve names in all subqueries
+    /* Recursively resolve names in all subqueries in the FROM clause
     */
     for(i=0; i<p->pSrc->nSrc; i++){
       SrcItem *pItem = &p->pSrc->a[i];

src/sqliteInt.h

@@ -3232,7 +3232,7 @@ struct Select {
 #define SF_PushDown      0x1000000 /* SELECT has be modified by push-down opt */
 #define SF_MultiPart     0x2000000 /* Has multiple incompatible PARTITIONs */
 #define SF_CopyCte       0x4000000 /* SELECT statement is a copy of a CTE */
-#define SF_OrderByReqd   0x8000000 /* The ORDER BY clause may not be purged */
+#define SF_OrderByReqd   0x8000000 /* The ORDER BY clause may not be omitted */
 
 /*
 ** The results of a SELECT can be distributed in several ways, as defined