Clarification to the header comment on dropConstraintFunc(). No changes

to code.

FossilOrigin-Name: 4bd53fbb20d78de7bbff1154e7ee1321b93b0ede435e150ad4ee992a4108ad5a

manifest

@@ -1,5 +1,5 @@
-C Trivial\ssimplification\sto\sthe\sALTER\sTABLE\sADD\sCONSTRAINT\scode.
-D 2025-11-19T10:26:49.943
+C Clarification\sto\sthe\sheader\scomment\son\sdropConstraintFunc().\s\sNo\schanges\nto\scode.
+D 2025-11-19T11:28:48.761
 F .fossil-settings/binary-glob 61195414528fb3ea9693577e1980230d78a1f8b0a54c78cf1b9b24d0a409ed6a x
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
@@ -666,7 +666,7 @@ F mptest/multiwrite01.test dab5c5f8f9534971efce679152c5146da265222d
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 1b9c24374a85dfc7eb8fa7c4266ee0db4f9609cceecfc5481cd8307e5af04366
 F sqlite3.pc.in e6dee284fba59ef500092fdc1843df3be8433323a3733c91da96690a50a5b398
-F src/alter.c 136ffded25d7bc526572de649f6392b67d1f8953286b0d73dd1db105519d2fcb
+F src/alter.c 912b1f084d184a48b6c7fbf7c081678126d3743d0236c0f7399364475d255c21
 F src/analyze.c 03bcfc083fc0cccaa9ded93604e1d4244ea245c17285d463ef6a60425fcb247d
 F src/attach.c 9af61b63b10ee702b1594ecd24fb8cea0839cfdb6addee52fba26fa879f5db9d
 F src/auth.c 54ab9c6c5803b47c0d45b76ce27eff22a03b4b1f767c5945a3a4eb13aa4c78dc
@@ -2177,8 +2177,8 @@ F tool/version-info.c 33d0390ef484b3b1cb685d59362be891ea162123cea181cb8e6d2cf6dd
 F tool/warnings-clang.sh bbf6a1e685e534c92ec2bfba5b1745f34fb6f0bc2a362850723a9ee87c1b31a7
 F tool/warnings.sh d924598cf2f55a4ecbc2aeb055c10bd5f48114793e7ba25f9585435da29e7e98
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P 31d7aeeaef20ac42c3c395dbaf7a8225ac718256a4cbeb7c198d1c7361766b1b
-R 2fd8e758c3afdcc255f709fa2b96fad5
+P 383965b3ba701d3627e0bbd09ad04d0ce00d4721497d82e241dc7cffa745b1d9
+R 5ac491715339686ef4f784d6e85c19ed
 U drh
-Z 90028810bdc102a20f4d8f20f96cb730
+Z aabf50dc517882f9aafdd99220ad9632
 # Remove this line to create a well-formed Fossil manifest.

manifest.uuid

@@ -1 +1 @@
-383965b3ba701d3627e0bbd09ad04d0ce00d4721497d82e241dc7cffa745b1d9
+4bd53fbb20d78de7bbff1154e7ee1321b93b0ede435e150ad4ee992a4108ad5a

src/alter.c

@@ -2464,7 +2464,15 @@ static int skipCreateTable(sqlite3_context *ctx, const u8 *zSql, int *piOff){
 }
 
 /*
-** The implementation of internal function sqlite3_drop_constraint().
+** Internal SQL function sqlite3_drop_constraint():  Given an input
+** CREATE TABLE statement, return a revised CREATE TABLE statement
+** with a constraint removed.  Two forms, depending on the datatype
+** of argv[2]:
+**
+**   sqlite3_drop_constraint(SQL, INT)  -- Omit NOT NULL from the INT-th column
+**   sqlite3_drop_constraint(SQL, TEXT) -- OMIT constraint with name TEXT
+**
+** In the first case, the left-most column is 0.
 */
 static void dropConstraintFunc(
   sqlite3_context *ctx,