Fix minor comment issues.

FossilOrigin-Name: c1bbed19f4348ec31c3cb4723eaa8f1554bb58ef4de7feb3a0f39612785f13d5

manifest

@@ -1,5 +1,5 @@
-C Remove\sunreachable\scode.
-D 2024-08-20T20:01:21.013
+C Fix\sminor\scomment\sissues.
+D 2024-08-20T22:05:01.213
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -709,7 +709,7 @@ F src/ctime.c 64e4b1227b4ed123146f0aa2989131d1fbd9b927b11e80c9d58c6a68f9cd5ce3
 F src/date.c 13dd752847afb32ed70510ad7345a5b9c841f51ad904dba5d010f1fa3a6a324e
 F src/dbpage.c 80e46e1df623ec40486da7a5086cb723b0275a6e2a7b01d9f9b5da0f04ba2782
 F src/dbstat.c 3b677254d512fcafd4d0b341bf267b38b235ccfddbef24f9154e19360fa22e43
-F src/delete.c cfe1a09cd67e3c8aef51ef928c69ba2824e6e2439f451e990afbb89e774add01
+F src/delete.c 444c4d1eaac40103461e3b6f0881846dd3aafc1cec1dd169d3482fa331667da7
 F src/expr.c 6d5f2c38fe3ec06a7eac599dac822788b36064124e20112a844e9cd5156cb239
 F src/fault.c 460f3e55994363812d9d60844b2a6de88826e007
 F src/fkey.c 928ed2517e8732113d2b9821aa37af639688d752f4ea9ac6e0e393d713eeb76f
@@ -765,7 +765,7 @@ F src/shell.c.in 94571558b0fb28c37a5cf6dbd6ea27285341023a28a8cb5795cd2768fab6770
 F src/sqlite.h.in 1ad9110150773c38ebababbad11b5cb361bcd3997676dec1c91ac5e0416a7b86
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 3f046c04ea3595d6bfda99b781926b17e672fd6d27da2ba6d8d8fc39981dcb54
-F src/sqliteInt.h 521a9abd808e2b6c2e377cfc85b5ad5508202c33f878f929dccf60d6aca13034
+F src/sqliteInt.h 28c878bdf528879afefe1994ac007d094f8061f2fdacdc55d6055d7e9341151e
 F src/sqliteLimit.h 6878ab64bdeb8c24a1d762d45635e34b96da21132179023338c93f820eee6728
 F src/status.c cb11f8589a6912af2da3bb1ec509a94dd8ef27df4d4c1a97e0bcf2309ece972b
 F src/table.c 0f141b58a16de7e2fbe81c308379e7279f4c6b50eb08efeec5892794a0ba30d1
@@ -2205,8 +2205,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P fd72d3400a8fe5747f494eee81654698acee350bb95b9db269e87d857af03492
-R ed1ab5c9cb5cf9505f2201c6b302f119
+P 17699329aa8e234c6793a38db5ca05def9395b287bcc8bc05493b824327edb59
+R 0e51c42305c6bc1152097a45ebccdb0d
 U drh
-Z 40ddef7af9ce2e2b1803942ebd50a97a
+Z a6fa404293297d6b35cfa7a7af20f07b
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-17699329aa8e234c6793a38db5ca05def9395b287bcc8bc05493b824327edb59
+c1bbed19f4348ec31c3cb4723eaa8f1554bb58ef4de7feb3a0f39612785f13d5

src/delete.c

@@ -24,8 +24,8 @@
 **
 ** The following fields are initialized appropriate in pSrc:
 **
-**    pSrc->a[0].spTab      Pointer to the Table object
-**    pSrc->a[0].pIndex     Pointer to the INDEXED BY index, if there is one
+**    pSrc->a[0].spTab        Pointer to the Table object
+**    pSrc->a[0].u2.pIBIndex  Pointer to the INDEXED BY index, if there is one
 **
 */
 Table *sqlite3SrcListLookup(Parse *pParse, SrcList *pSrc){

src/sqliteInt.h

@@ -3627,7 +3627,7 @@ struct Select {
 #define SF_UpdateFrom   0x10000000 /* Query originates with UPDATE FROM */
 #define SF_Correlated   0x20000000 /* True if references the outer context */
 
-/* True if SrcList item X is a subquery that has SF_NestedFrom */
+/* True if SrcItem X is a subquery that has SF_NestedFrom */
 #define IsNestedFrom(X) \
    ((X)->fg.isSubquery && \
     ((X)->u4.pSubq->pSelect->selFlags&SF_NestedFrom)!=0)