Fix typos in comments.

Backpatch to all supported versions, where applicable, to make backpatching
of future fixes go more smoothly.

Josh Soref

Discussion: https://www.postgresql.org/message-id/CACZqfqCf+5qRztLPgmmosr-B0Ye4srWzzw_mo4c_8_B_mtjmJQ@mail.gmail.com

71 files changed, 97 insertions, 97 deletions

diff --git a/configure b/configure
index 2e5359d79f..27b0c220a5 100755
--- a/configure
+++ b/configure
@@ -7052,7 +7052,7 @@ fi
 $as_echo "$MKDIR_P" >&6; }
 
 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
-# a relative path to it in each makefile where it subsitutes it. This clashes
+# a relative path to it in each makefile where it substitutes it. This clashes
 # with our Makefile.global concept. This workaround helps.
 case $MKDIR_P in
   *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
diff --git a/configure.in b/configure.in
index e2f6360834..08e2499608 100644
--- a/configure.in
+++ b/configure.in
@@ -815,7 +815,7 @@ AC_PROG_LN_S
 AC_PROG_AWK
 AC_PROG_MKDIR_P
 # When Autoconf chooses install-sh as mkdir -p program it tries to generate
-# a relative path to it in each makefile where it subsitutes it. This clashes
+# a relative path to it in each makefile where it substitutes it. This clashes
 # with our Makefile.global concept. This workaround helps.
 case $MKDIR_P in
   *install-sh*) MKDIR_P='\${SHELL} \${top_srcdir}/config/install-sh -c -d';;
diff --git a/contrib/cube/expected/cube.out b/contrib/cube/expected/cube.out
index 05cf3eae3c..36c9fba5cb 100644
--- a/contrib/cube/expected/cube.out
+++ b/contrib/cube/expected/cube.out
@@ -912,7 +912,7 @@ SELECT cube_dim('(0,0,0)'::cube);
         3
 (1 row)
 
--- Test of cube_ll_coord function (retrieves LL coodinate values)
+-- Test of cube_ll_coord function (retrieves LL coordinate values)
 --
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ll_coord 
@@ -932,7 +932,7 @@ SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
              0
 (1 row)
 
--- Test of cube_ur_coord function (retrieves UR coodinate values)
+-- Test of cube_ur_coord function (retrieves UR coordinate values)
 --
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ur_coord 
diff --git a/contrib/cube/expected/cube_1.out b/contrib/cube/expected/cube_1.out
index fefebf5fb9..f1fea62111 100644
--- a/contrib/cube/expected/cube_1.out
+++ b/contrib/cube/expected/cube_1.out
@@ -912,7 +912,7 @@ SELECT cube_dim('(0,0,0)'::cube);
         3
 (1 row)
 
--- Test of cube_ll_coord function (retrieves LL coodinate values)
+-- Test of cube_ll_coord function (retrieves LL coordinate values)
 --
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ll_coord 
@@ -932,7 +932,7 @@ SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
              0
 (1 row)
 
--- Test of cube_ur_coord function (retrieves UR coodinate values)
+-- Test of cube_ur_coord function (retrieves UR coordinate values)
 --
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ur_coord 
diff --git a/contrib/cube/expected/cube_2.out b/contrib/cube/expected/cube_2.out
index 6d15d63570..b38b906c4d 100644
--- a/contrib/cube/expected/cube_2.out
+++ b/contrib/cube/expected/cube_2.out
@@ -912,7 +912,7 @@ SELECT cube_dim('(0,0,0)'::cube);
         3
 (1 row)
 
--- Test of cube_ll_coord function (retrieves LL coodinate values)
+-- Test of cube_ll_coord function (retrieves LL coordinate values)
 --
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ll_coord 
@@ -932,7 +932,7 @@ SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
              0
 (1 row)
 
--- Test of cube_ur_coord function (retrieves UR coodinate values)
+-- Test of cube_ur_coord function (retrieves UR coordinate values)
 --
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ur_coord 
diff --git a/contrib/cube/expected/cube_3.out b/contrib/cube/expected/cube_3.out
index 22b4e1f207..8f378947b5 100644
--- a/contrib/cube/expected/cube_3.out
+++ b/contrib/cube/expected/cube_3.out
@@ -912,7 +912,7 @@ SELECT cube_dim('(0,0,0)'::cube);
         3
 (1 row)
 
--- Test of cube_ll_coord function (retrieves LL coodinate values)
+-- Test of cube_ll_coord function (retrieves LL coordinate values)
 --
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ll_coord 
@@ -932,7 +932,7 @@ SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
              0
 (1 row)
 
--- Test of cube_ur_coord function (retrieves UR coodinate values)
+-- Test of cube_ur_coord function (retrieves UR coordinate values)
 --
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
  cube_ur_coord 
diff --git a/contrib/cube/sql/cube.sql b/contrib/cube/sql/cube.sql
index 02e068edf4..79fbf9a9c1 100644
--- a/contrib/cube/sql/cube.sql
+++ b/contrib/cube/sql/cube.sql
@@ -224,13 +224,13 @@ SELECT cube_dim('(0)'::cube);
 SELECT cube_dim('(0,0)'::cube);
 SELECT cube_dim('(0,0,0)'::cube);
 
--- Test of cube_ll_coord function (retrieves LL coodinate values)
+-- Test of cube_ll_coord function (retrieves LL coordinate values)
 --
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 1);
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 2);
 SELECT cube_ll_coord('(-1,1),(2,-2)'::cube, 3);
 
--- Test of cube_ur_coord function (retrieves UR coodinate values)
+-- Test of cube_ur_coord function (retrieves UR coordinate values)
 --
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 1);
 SELECT cube_ur_coord('(-1,1),(2,-2)'::cube, 2);
diff --git a/contrib/earthdistance/earthdistance--1.0.sql b/contrib/earthdistance/earthdistance--1.0.sql
index 4af9062e7d..c7e9429b61 100644
--- a/contrib/earthdistance/earthdistance--1.0.sql
+++ b/contrib/earthdistance/earthdistance--1.0.sql
@@ -11,7 +11,7 @@ CREATE FUNCTION earth() RETURNS float8
 LANGUAGE SQL IMMUTABLE
 AS 'SELECT ''6378168''::float8';
 
--- Astromers may want to change the earth function so that distances will be
+-- Astronomers may want to change the earth function so that distances will be
 -- returned in degrees. To do this comment out the above definition and
 -- uncomment the one below. Note that doing this will break the regression
 -- tests.
diff --git a/contrib/isn/ISSN.h b/contrib/isn/ISSN.h
index 082efcff7c..585f0e2674 100644
--- a/contrib/isn/ISSN.h
+++ b/contrib/isn/ISSN.h
@@ -23,7 +23,7 @@
  * Product		9 + 21 + 7 + 3 + 1 + 12 + 4 + 24 + 7 + 15 + 0 + 0 = 103
  *				103 / 10 = 10 remainder 3
  * Check digit	10 - 3 = 7
- * => 977-1144875-00-7 ??  <- suplemental number (number of the week, month, etc.)
+ * => 977-1144875-00-7 ??  <- supplemental number (number of the week, month, etc.)
  *				  ^^ 00 for non-daily publications (01=Monday, 02=Tuesday, ...)
  *
  * The hyphenation is always in after the four digits of the ISSN code.
diff --git a/contrib/isn/isn.c b/contrib/isn/isn.c
index 654939cc43..dafac5a9c2 100644
--- a/contrib/isn/isn.c
+++ b/contrib/isn/isn.c
@@ -160,7 +160,7 @@ dehyphenate(char *bufO, char *bufI)
  *				  into bufO using the given hyphenation range TABLE.
  *				  Assumes the input string to be used is of only digits.
  *
- * Returns the number of characters acctually hyphenated.
+ * Returns the number of characters actually hyphenated.
  */
 static unsigned
 hyphenate(char *bufO, char *bufI, const char *(*TABLE)[2], const unsigned TABLE_index[10][2])
@@ -748,7 +748,7 @@ string2ean(const char *str, bool errorOK, ean13 *result,
 		}
 		else if (*aux2 == '!' && *(aux2 + 1) == '\0')
 		{
-			/* the invalid check digit sufix was found, set it */
+			/* the invalid check digit suffix was found, set it */
 			if (!magic)
 				valid = false;
 			magic = true;
diff --git a/contrib/ltree/expected/ltree.out b/contrib/ltree/expected/ltree.out
index da6e39a785..7e51ce3e2b 100644
--- a/contrib/ltree/expected/ltree.out
+++ b/contrib/ltree/expected/ltree.out
@@ -1105,7 +1105,7 @@ SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e,*.df}';
  t
 (1 row)
 
---exractors
+--extractors
 SELECT ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null;
  ?column? 
 ----------
diff --git a/contrib/ltree/ltxtquery_io.c b/contrib/ltree/ltxtquery_io.c
index e2d468ac1b..1a06a81089 100644
--- a/contrib/ltree/ltxtquery_io.c
+++ b/contrib/ltree/ltxtquery_io.c
@@ -201,7 +201,7 @@ pushval_asis(QPRS_STATE *state, int type, char *strval, int lenval, uint16 flag)
 
 #define STACKDEPTH		32
 /*
- * make polish notaion of query
+ * make polish notation of query
  */
 static int4
 makepol(QPRS_STATE *state)
diff --git a/contrib/ltree/sql/ltree.sql b/contrib/ltree/sql/ltree.sql
index 46cfa41a41..eb1beaef31 100644
--- a/contrib/ltree/sql/ltree.sql
+++ b/contrib/ltree/sql/ltree.sql
@@ -204,7 +204,7 @@ SELECT 'a.b.c.d.e'::ltree ? '{A.b.c.d.e, a.*}';
 SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e}';
 SELECT '{a.b.c.d.e,B.df}'::ltree[] ? '{A.b.c.d.e,*.df}';
 
---exractors
+--extractors
 SELECT ('{3456,1.2.3.34}'::ltree[] ?@> '1.2.3.4') is null;
 SELECT '{3456,1.2.3}'::ltree[] ?@> '1.2.3.4';
 SELECT '{3456,1.2.3.4}'::ltree[] ?<@ '1.2.3';
diff --git a/contrib/pg_standby/pg_standby.c b/contrib/pg_standby/pg_standby.c
index ebd7f34b09..67a2d30e61 100644
--- a/contrib/pg_standby/pg_standby.c
+++ b/contrib/pg_standby/pg_standby.c
@@ -806,7 +806,7 @@ main(int argc, char **argv)
 		{
 			/*
 			 * Once we have restored this file successfully we can remove some
-			 * prior WAL files. If this restore fails we musn't remove any
+			 * prior WAL files. If this restore fails we mustn't remove any
 			 * file because some of them will be requested again immediately
 			 * after the failed restore, or when we restart recovery.
 			 */
diff --git a/contrib/pgcrypto/mbuf.c b/contrib/pgcrypto/mbuf.c
index 44d9adcd2a..73dbfbd08f 100644
--- a/contrib/pgcrypto/mbuf.c
+++ b/contrib/pgcrypto/mbuf.c
@@ -311,7 +311,7 @@ pullf_read_max(PullFilter *pf, int len, uint8 **data_p, uint8 *tmpbuf)
 }
 
 /*
- * caller wants exatly len bytes and dont bother with references
+ * caller wants exactly len bytes and don't bother with references
  */
 int
 pullf_read_fixed(PullFilter *src, int len, uint8 *dst)
diff --git a/contrib/pgcrypto/pgp-mpi-internal.c b/contrib/pgcrypto/pgp-mpi-internal.c
index ea0620d485..61106c9b41 100644
--- a/contrib/pgcrypto/pgp-mpi-internal.c
+++ b/contrib/pgcrypto/pgp-mpi-internal.c
@@ -140,7 +140,7 @@ bn_to_mpi(mpz_t *bn)
 }
 
 /*
- * Decide the number of bits in the random componont k
+ * Decide the number of bits in the random component k
  *
  * It should be in the same range as p for signing (which
  * is deprecated), but can be much smaller for encrypting.
@@ -148,8 +148,8 @@ bn_to_mpi(mpz_t *bn)
  * Until I research it further, I just mimic gpg behaviour.
  * It has a special mapping table, for values <= 5120,
  * above that it uses 'arbitrary high number'.  Following
- * algorihm hovers 10-70 bits above gpg values.  And for
- * larger p, it uses gpg's algorihm.
+ * algorithm hovers 10-70 bits above gpg values.  And for
+ * larger p, it uses gpg's algorithm.
  *
  * The point is - if k gets large, encryption will be
  * really slow.  It does not matter for decryption.
diff --git a/contrib/pgcrypto/pgp-mpi-openssl.c b/contrib/pgcrypto/pgp-mpi-openssl.c
index 87936d0d5f..afaec16f74 100644
--- a/contrib/pgcrypto/pgp-mpi-openssl.c
+++ b/contrib/pgcrypto/pgp-mpi-openssl.c
@@ -75,7 +75,7 @@ bn_to_mpi(BIGNUM *bn)
 }
 
 /*
- * Decide the number of bits in the random componont k
+ * Decide the number of bits in the random component k
  *
  * It should be in the same range as p for signing (which
  * is deprecated), but can be much smaller for encrypting.
@@ -83,8 +83,8 @@ bn_to_mpi(BIGNUM *bn)
  * Until I research it further, I just mimic gpg behaviour.
  * It has a special mapping table, for values <= 5120,
  * above that it uses 'arbitrary high number'.  Following
- * algorihm hovers 10-70 bits above gpg values.  And for
- * larger p, it uses gpg's algorihm.
+ * algorithm hovers 10-70 bits above gpg values.  And for
+ * larger p, it uses gpg's algorithm.
  *
  * The point is - if k gets large, encryption will be
  * really slow.  It does not matter for decryption.
diff --git a/contrib/seg/seg.c b/contrib/seg/seg.c
index 0cf9853060..c3c658af20 100644
--- a/contrib/seg/seg.c
+++ b/contrib/seg/seg.c
@@ -904,7 +904,7 @@ restore(char *result, float val, int n)
 		if (Abs(exp) <= 4)
 		{
 			/*
-			 * remove the decimal point from the mantyssa and write the digits
+			 * remove the decimal point from the mantissa and write the digits
 			 * to the buf array
 			 */
 			for (p = result + sign, i = 10, dp = 0; *p != 'e'; p++, i++)
diff --git a/contrib/sepgsql/selinux.c b/contrib/sepgsql/selinux.c
index baf92b6f6d..312303d850 100644
--- a/contrib/sepgsql/selinux.c
+++ b/contrib/sepgsql/selinux.c
@@ -23,7 +23,7 @@
  * When we ask SELinux whether the required privileges are allowed or not,
  * we use security_compute_av(3). It needs us to represent object classes
  * and access vectors using 'external' codes defined in the security policy.
- * It is determinded in the runtime, not build time. So, it needs an internal
+ * It is determined in the runtime, not build time. So, it needs an internal
  * service to translate object class/access vectors which we want to check
  * into the code which kernel want to be given.
  */
diff --git a/contrib/sepgsql/sql/label.sql b/contrib/sepgsql/sql/label.sql
index 0cd5acaadb..d54d0ce33e 100644
--- a/contrib/sepgsql/sql/label.sql
+++ b/contrib/sepgsql/sql/label.sql
@@ -200,7 +200,7 @@ SELECT * FROM auth_tbl;	-- failed
 SELECT sepgsql_setcon(NULL);	-- end of session
 SELECT sepgsql_getcon();
 
--- the pooler cannot touch these tables directry
+-- the pooler cannot touch these tables directly
 SELECT * FROM foo_tbl;	-- failed
 
 SELECT * FROM var_tbl;	-- failed
diff --git a/contrib/spi/refint.c b/contrib/spi/refint.c
index 8dc565a190..a2ffa7da06 100644
--- a/contrib/spi/refint.c
+++ b/contrib/spi/refint.c
@@ -93,7 +93,7 @@ check_primary_key(PG_FUNCTION_ARGS)
 		/* internal error */
 		elog(ERROR, "check_primary_key: cannot process DELETE events");
 
-	/* If UPDATion the must check new Tuple, not old one */
+	/* If UPDATE, then must check new Tuple, not old one */
 	else
 		tuple = trigdata->tg_newtuple;
 
diff --git a/contrib/start-scripts/osx/PostgreSQL b/contrib/start-scripts/osx/PostgreSQL
index e4b56dfb3b..e7e6aa1493 100755
--- a/contrib/start-scripts/osx/PostgreSQL
+++ b/contrib/start-scripts/osx/PostgreSQL
@@ -33,7 +33,7 @@
 # modified by Ray Aspeitia 12-03-2003 :
 # added log rotation script to db startup
 # modified StartupParameters.plist "Provides" parameter to make it easier to
-# start and stop with the SystemStarter utitlity
+# start and stop with the SystemStarter utility
 
 # use the below command in order to correctly start/stop/restart PG with log rotation script:
 # SystemStarter [start|stop|restart] PostgreSQL
diff --git a/contrib/tsearch2/tsearch2--1.0.sql b/contrib/tsearch2/tsearch2--1.0.sql
index 4777df8d91..6a1cb0555f 100644
--- a/contrib/tsearch2/tsearch2--1.0.sql
+++ b/contrib/tsearch2/tsearch2--1.0.sql
@@ -414,7 +414,7 @@ CREATE FUNCTION stat(text,text)
 	LANGUAGE INTERNAL
 	RETURNS NULL ON NULL INPUT;
 
---reset - just for debuging
+--reset - just for debugging
 CREATE FUNCTION reset_tsearch()
         RETURNS void
         as 'MODULE_PATHNAME', 'tsa_reset_tsearch'
diff --git a/contrib/xml2/xpath.c b/contrib/xml2/xpath.c
index 3c5defce49..db8b85b940 100644
--- a/contrib/xml2/xpath.c
+++ b/contrib/xml2/xpath.c
@@ -622,7 +622,7 @@ xpath_table(PG_FUNCTION_ARGS)
 
 	/*
 	 * At the moment we assume that the returned attributes make sense for the
-	 * XPath specififed (i.e. we trust the caller). It's not fatal if they get
+	 * XPath specified (i.e. we trust the caller). It's not fatal if they get
 	 * it wrong - the input function for the column type will raise an error
 	 * if the path result can't be converted into the correct binary
 	 * representation.
diff --git a/src/Makefile.shlib b/src/Makefile.shlib
index 3b20df6388..f507dfdf08 100644
--- a/src/Makefile.shlib
+++ b/src/Makefile.shlib
@@ -413,7 +413,7 @@ $(shlib): $(OBJS) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
 $(stlib): $(shlib) $(DLL_DEFFILE) | $(SHLIB_PREREQS)
 	$(DLLTOOL) --dllname $(shlib) $(DLLTOOL_LIBFLAGS) --def $(DLL_DEFFILE) --output-lib $@
 
-endif # PORTNAME == cgywin
+endif # PORTNAME == cygwin
 endif # PORTNAME == cygwin || PORTNAME == win32
 
 endif # enable_shared
diff --git a/src/backend/access/gist/README b/src/backend/access/gist/README
index dd4c9fa70a..02228662b8 100644
--- a/src/backend/access/gist/README
+++ b/src/backend/access/gist/README
@@ -28,7 +28,7 @@ The current implementation of GiST supports:
 
 The support for concurrency implemented in PostgreSQL was developed based on
 the paper "Access Methods for Next-Generation Database Systems" by
-Marcel Kornaker:
+Marcel Kornacker:
 
     http://www.sai.msu.su/~megera/postgres/gist/papers/concurrency/access-methods-for-next-generation.pdf.gz
 
diff --git a/src/backend/commands/dbcommands.c b/src/backend/commands/dbcommands.c
index ceacc9cfe4..5f1baaa991 100644
--- a/src/backend/commands/dbcommands.c
+++ b/src/backend/commands/dbcommands.c
@@ -671,7 +671,7 @@ createdb(const CreatedbStmt *stmt)
 
 		/*
 		 * Force synchronous commit, thus minimizing the window between
-		 * creation of the database files and commital of the transaction. If
+		 * creation of the database files and committal of the transaction. If
 		 * we crash before committing, we'll have a DB that's taking up disk
 		 * space but is not in pg_database, which is not good.
 		 */
@@ -916,7 +916,7 @@ dropdb(const char *dbname, bool missing_ok)
 
 	/*
 	 * Force synchronous commit, thus minimizing the window between removal of
-	 * the database files and commital of the transaction. If we crash before
+	 * the database files and committal of the transaction. If we crash before
 	 * committing, we'll have a DB that's gone on disk but still there
 	 * according to pg_database, which is not good.
 	 */
@@ -1266,7 +1266,7 @@ movedb(const char *dbname, const char *tblspcname)
 
 		/*
 		 * Force synchronous commit, thus minimizing the window between
-		 * copying the database files and commital of the transaction. If we
+		 * copying the database files and committal of the transaction. If we
 		 * crash before committing, we'll leave an orphaned set of files on
 		 * disk, which is not fatal but not good either.
 		 */
diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c
index a43aa86495..96f3119a0c 100644
--- a/src/backend/commands/explain.c
+++ b/src/backend/commands/explain.c
@@ -2438,7 +2438,7 @@ ExplainYAMLLineStarting(ExplainState *es)
 }
 
 /*
- * YAML is a superset of JSON; unfortuantely, the YAML quoting rules are
+ * YAML is a superset of JSON; unfortunately, the YAML quoting rules are
  * ridiculously complicated -- as documented in sections 5.3 and 7.3.3 of
  * http://yaml.org/spec/1.2/spec.html -- so we chose to just quote everything.
  * Empty strings, strings with leading or trailing whitespace, and strings
diff --git a/src/backend/commands/functioncmds.c b/src/backend/commands/functioncmds.c
index 166c7ce240..700a693e71 100644
--- a/src/backend/commands/functioncmds.c
+++ b/src/backend/commands/functioncmds.c
@@ -1524,7 +1524,7 @@ CreateCast(CreateCastStmt *stmt)
 				(errcode(ERRCODE_WRONG_OBJECT_TYPE),
 				 errmsg("cast will be ignored because the target data type is a domain")));
 
-	/* Detemine the cast method */
+	/* Determine the cast method */
 	if (stmt->func != NULL)
 		castmethod = COERCION_METHOD_FUNCTION;
 	else if (stmt->inout)
diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c
index 1895f714c9..d5020d5793 100644
--- a/src/backend/commands/indexcmds.c
+++ b/src/backend/commands/indexcmds.c
@@ -95,7 +95,7 @@ static void RangeVarCallbackForReindexIndex(const RangeVar *relation,
  * Errors arising from the attribute list still apply.
  *
  * Most column type changes that can skip a table rewrite do not invalidate
- * indexes.  We ackowledge this when all operator classes, collations and
+ * indexes.  We acknowledge this when all operator classes, collations and
  * exclusion operators match.  Though we could further permit intra-opfamily
  * changes for btree and hash indexes, that adds subtle complexity with no
  * concrete benefit for core types.
@@ -920,7 +920,7 @@ CheckMutability(Expr *expr)
  * indxpath.c could do something with.  However, that seems overly
  * restrictive.  One useful application of partial indexes is to apply
  * a UNIQUE constraint across a subset of a table, and in that scenario
- * any evaluatable predicate will work.  So accept any predicate here
+ * any evaluable predicate will work.  So accept any predicate here
  * (except ones requiring a plan), and let indxpath.c fend for itself.
  */
 static void
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index c5a25a4163..96779af451 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -5661,7 +5661,7 @@ ATAddCheckConstraint(List **wqueue, AlteredTableInfo *tab, Relation rel,
 
 	/*
 	 * Check if ONLY was specified with ALTER TABLE.  If so, allow the
-	 * contraint creation only if there are no children currently.  Error out
+	 * constraint creation only if there are no children currently.  Error out
 	 * otherwise.
 	 */
 	if (!recurse && children != NIL)
diff --git a/src/backend/optimizer/geqo/geqo_erx.c b/src/backend/optimizer/geqo/geqo_erx.c
index 69ac077616..8ded9eec67 100644
--- a/src/backend/optimizer/geqo/geqo_erx.c
+++ b/src/backend/optimizer/geqo/geqo_erx.c
@@ -111,7 +111,7 @@ gimme_edge_table(PlannerInfo *root, Gene *tour1, Gene *tour2,
 	for (index1 = 0; index1 < num_gene; index1++)
 	{
 		/*
-		 * presume the tour is circular, i.e. 1->2, 2->3, 3->1 this operaton
+		 * presume the tour is circular, i.e. 1->2, 2->3, 3->1 this operation
 		 * maps n back to 1
 		 */
 
@@ -314,7 +314,7 @@ gimme_gene(PlannerInfo *root, Edge edge, Edge *edge_table)
 		/*
 		 * give priority to candidates with fewest remaining unused edges;
 		 * find out what the minimum number of unused edges is
-		 * (minimum_edges); if there is more than one cadidate with the
+		 * (minimum_edges); if there is more than one candidate with the
 		 * minimum number of unused edges keep count of this number
 		 * (minimum_count);
 		 */
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c
index 725399e1c3..db0ac70b16 100644
--- a/src/backend/optimizer/path/joinpath.c
+++ b/src/backend/optimizer/path/joinpath.c
@@ -1367,7 +1367,7 @@ select_mergejoin_clauses(PlannerInfo *root,
 		/*
 		 * Insist that each side have a non-redundant eclass.  This
 		 * restriction is needed because various bits of the planner expect
-		 * that each clause in a merge be associatable with some pathkey in a
+		 * that each clause in a merge be associable with some pathkey in a
 		 * canonical pathkey list, but redundant eclasses can't appear in
 		 * canonical sort orderings.  (XXX it might be worth relaxing this,
 		 * but not enough time to address it for 8.3.)
diff --git a/src/backend/optimizer/plan/planmain.c b/src/backend/optimizer/plan/planmain.c
index 6df8ff6d5f..ae0da44cfb 100644
--- a/src/backend/optimizer/plan/planmain.c
+++ b/src/backend/optimizer/plan/planmain.c
@@ -212,7 +212,7 @@ query_planner(PlannerInfo *root, List *tlist,
 	/*
 	 * Now distribute "placeholders" to base rels as needed.  This has to be
 	 * done after join removal because removal could change whether a
-	 * placeholder is evaluatable at a base rel.
+	 * placeholder is evaluable at a base rel.
 	 */
 	add_placeholders_to_base_rels(root);
 
diff --git a/src/backend/optimizer/util/joininfo.c b/src/backend/optimizer/util/joininfo.c
index 9a4e823448..dfc45b4804 100644
--- a/src/backend/optimizer/util/joininfo.c
+++ b/src/backend/optimizer/util/joininfo.c
@@ -24,7 +24,7 @@
  *		Detect whether there is a joinclause that involves
  *		the two given relations.
  *
- * Note: the joinclause does not have to be evaluatable with only these two
+ * Note: the joinclause does not have to be evaluable with only these two
  * relations.  This is intentional.  For example consider
  *		SELECT * FROM a, b, c WHERE a.x = (b.y + c.z)
  * If a is much larger than the other tables, it may be worthwhile to
diff --git a/src/backend/optimizer/util/restrictinfo.c b/src/backend/optimizer/util/restrictinfo.c
index 26189b403a..ebfdaac073 100644
--- a/src/backend/optimizer/util/restrictinfo.c
+++ b/src/backend/optimizer/util/restrictinfo.c
@@ -718,7 +718,7 @@ join_clause_is_movable_into(RestrictInfo *rinfo,
 							Relids currentrelids,
 							Relids current_and_outer)
 {
-	/* Clause must be evaluatable given available context */
+	/* Clause must be evaluable given available context */
 	if (!bms_is_subset(rinfo->clause_relids, current_and_outer))
 		return false;
 
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 4b7068756e..1e0355c1b8 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -4604,7 +4604,7 @@ PostmasterRandom(void)
 }
 
 /*
- * Count up number of child processes of specified types (dead_end chidren
+ * Count up number of child processes of specified types (dead_end children
  * are always excluded).
  */
 static int
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c
index 4dd78f9113..1164e9fd0d 100644
--- a/src/backend/storage/lmgr/lock.c
+++ b/src/backend/storage/lmgr/lock.c
@@ -2687,7 +2687,7 @@ GetLockConflicts(const LOCKTAG *locktag, LOCKMODE lockmode)
 		vxids = (VirtualTransactionId *)
 			palloc0(sizeof(VirtualTransactionId) * (MaxBackends + 1));
 
-	/* Compute hash code and partiton lock, and look up conflicting modes. */
+	/* Compute hash code and partition lock, and look up conflicting modes. */
 	hashcode = LockTagHashCode(locktag);
 	partitionLock = LockHashPartitionLock(hashcode);
 	conflictMask = lockMethodTable->conflictTab[lockmode];
diff --git a/src/backend/storage/lmgr/predicate.c b/src/backend/storage/lmgr/predicate.c
index 2148ec6252..b930830bde 100644
--- a/src/backend/storage/lmgr/predicate.c
+++ b/src/backend/storage/lmgr/predicate.c
@@ -3192,7 +3192,7 @@ ReleasePredicateLocks(bool isCommit)
 	/*
 	 * We can't trust XactReadOnly here, because a transaction which started
 	 * as READ WRITE can show as READ ONLY later, e.g., within
-	 * substransactions.  We want to flag a transaction as READ ONLY if it
+	 * subtransactions.  We want to flag a transaction as READ ONLY if it
 	 * commits without writing so that de facto READ ONLY transactions get the
 	 * benefit of some RO optimizations, so we will use this local variable to
 	 * get some cleanup logic right which is based on whether the transaction
diff --git a/src/backend/tsearch/ts_parse.c b/src/backend/tsearch/ts_parse.c
index 805fa25d5e..e129f09bf5 100644
--- a/src/backend/tsearch/ts_parse.c
+++ b/src/backend/tsearch/ts_parse.c
@@ -179,7 +179,7 @@ LexizeExec(LexizeData *ld, ParsedLex **correspondLexem)
 	if (ld->curDictId == InvalidOid)
 	{
 		/*
-		 * usial mode: dictionary wants only one word, but we should keep in
+		 * usual mode: dictionary wants only one word, but we should keep in
 		 * mind that we should go through all stack
 		 */
 
@@ -272,7 +272,7 @@ LexizeExec(LexizeData *ld, ParsedLex **correspondLexem)
 
 				/*
 				 * We should be sure that current type of lexeme is recognized
-				 * by our dictinonary: we just check is it exist in list of
+				 * by our dictionary: we just check is it exist in list of
 				 * dictionaries ?
 				 */
 				for (i = 0; i < map->len && !dictExists; i++)
@@ -618,7 +618,7 @@ generateHeadline(HeadlineParsedText *prs)
 				/* start of a new fragment */
 				infrag = 1;
 				numfragments++;
-				/* add a fragment delimitor if this is after the first one */
+				/* add a fragment delimiter if this is after the first one */
 				if (numfragments > 1)
 				{
 					memcpy(ptr, prs->fragdelim, prs->fragdelimlen);
diff --git a/src/backend/tsearch/wparser_def.c b/src/backend/tsearch/wparser_def.c
index edebc2be20..851057d489 100644
--- a/src/backend/tsearch/wparser_def.c
+++ b/src/backend/tsearch/wparser_def.c
@@ -2419,7 +2419,7 @@ mark_hl_words(HeadlineParsedText *prs, TSQuery query, int highlight,
 						break;
 				}
 				if (curlen < min_words && i >= prs->curwords)
-				{				/* got end of text and our cover is shoter
+				{				/* got end of text and our cover is shorter
 								 * than min_words */
 					for (i = p - 1; i >= 0; i--)
 					{
diff --git a/src/backend/utils/adt/formatting.c b/src/backend/utils/adt/formatting.c
index f34d0bd5b6..617dd26ddc 100644
--- a/src/backend/utils/adt/formatting.c
+++ b/src/backend/utils/adt/formatting.c
@@ -2285,7 +2285,7 @@ seq_search(char *name, char **array, int type, int max, int *len)
 
 	for (last = 0, a = array; *a != NULL; a++)
 	{
-		/* comperate first chars */
+		/* compare first chars */
 		if (*name != **a)
 			continue;
 
diff --git a/src/backend/utils/adt/tsrank.c b/src/backend/utils/adt/tsrank.c
index a45caf05af..e5499e11b6 100644
--- a/src/backend/utils/adt/tsrank.c
+++ b/src/backend/utils/adt/tsrank.c
@@ -777,7 +777,7 @@ calc_rank_cd(float4 *arrdata, TSVector txt, TSQuery query, int method)
 
 		/*
 		 * if doc are big enough then ext.q may be equal to ext.p due to limit
-		 * of posional information. In this case we approximate number of
+		 * of positional information. In this case we approximate number of
 		 * noise word as half cover's length
 		 */
 		nNoise = (ext.q - ext.p) - (ext.end - ext.begin);
@@ -786,7 +786,7 @@ calc_rank_cd(float4 *arrdata, TSVector txt, TSQuery query, int method)
 		Wdoc += Cpos / ((double) (1 + nNoise));
 
 		CurExtPos = ((double) (ext.q + ext.p)) / 2.0;
-		if (NExtent > 0 && CurExtPos > PrevExtPos		/* prevent devision by
+		if (NExtent > 0 && CurExtPos > PrevExtPos		/* prevent division by
 														 * zero in a case of
 				multiple lexize */ )
 			SumDist += 1.0 / (CurExtPos - PrevExtPos);
diff --git a/src/backend/utils/adt/windowfuncs.c b/src/backend/utils/adt/windowfuncs.c
index 32fa5326b4..72e6317f7a 100644
--- a/src/backend/utils/adt/windowfuncs.c
+++ b/src/backend/utils/adt/windowfuncs.c
@@ -342,7 +342,7 @@ window_lag(PG_FUNCTION_ARGS)
 
 /*
  * lag_with_offset
- * returns the value of VE evelulated on a row that is OFFSET
+ * returns the value of VE evaluated on a row that is OFFSET
  * rows before the current row within a partition,
  * per spec.
  */
diff --git a/src/backend/utils/misc/Makefile b/src/backend/utils/misc/Makefile
index cd9ba5d1cc..13abc31ac5 100644
--- a/src/backend/utils/misc/Makefile
+++ b/src/backend/utils/misc/Makefile
@@ -18,7 +18,7 @@ OBJS = guc.o help_config.o pg_rusage.o ps_status.o superuser.o tzparser.o \
        rbtree.o
 
 # This location might depend on the installation directories. Therefore
-# we can't subsitute it into pg_config.h.
+# we can't substitute it into pg_config.h.
 ifdef krb_srvtab
 override CPPFLAGS += -DPG_KRB_SRVTAB='"$(krb_srvtab)"'
 endif
diff --git a/src/bin/pg_dump/pg_backup_custom.c b/src/bin/pg_dump/pg_backup_custom.c
index f7dc5be8e5..ca0dd47a06 100644
--- a/src/bin/pg_dump/pg_backup_custom.c
+++ b/src/bin/pg_dump/pg_backup_custom.c
@@ -191,7 +191,7 @@ InitArchiveFmt_Custom(ArchiveHandle *AH)
  *
  * Optional.
  *
- * Set up extrac format-related TOC data.
+ * Set up extract format-related TOC data.
 */
 static void
 _ArchiveEntry(ArchiveHandle *AH, TocEntry *te)
diff --git a/src/bin/psql/describe.c b/src/bin/psql/describe.c
index 3e19ce4386..a6ed9ba4ae 100644
--- a/src/bin/psql/describe.c
+++ b/src/bin/psql/describe.c
@@ -1815,7 +1815,7 @@ describeOneTableDetails(const char *schemaname,
 				printTableAddFooter(&cont, _("Check constraints:"));
 				for (i = 0; i < tuples; i++)
 				{
-					/* untranslated contraint name and def */
+					/* untranslated constraint name and def */
 					printfPQExpBuffer(&buf, "    \"%s\" %s",
 									  PQgetvalue(result, i, 0),
 									  PQgetvalue(result, i, 1));
@@ -2635,7 +2635,7 @@ listTables(const char *tabtypes, const char *pattern, bool verbose, bool showSys
 	if (verbose)
 	{
 		/*
-		 * As of PostgreSQL 9.0, use pg_table_size() to show a more acurate
+		 * As of PostgreSQL 9.0, use pg_table_size() to show a more accurate
 		 * size of a table, including FSM, VM and TOAST tables.
 		 */
 		if (pset.sversion >= 90000)
diff --git a/src/include/access/xact.h b/src/include/access/xact.h
index bd6962f11f..8b58bbf917 100644
--- a/src/include/access/xact.h
+++ b/src/include/access/xact.h
@@ -60,7 +60,7 @@ typedef enum
 	SYNCHRONOUS_COMMIT_REMOTE_FLUSH		/* wait for local and remote flush */
 }	SyncCommitLevel;
 
-/* Define the default setting for synchonous_commit */
+/* Define the default setting for synchronous_commit */
 #define SYNCHRONOUS_COMMIT_ON	SYNCHRONOUS_COMMIT_REMOTE_FLUSH
 
 /* Synchronous commit level */
diff --git a/src/include/c.h b/src/include/c.h
index 15cbbce109..13e6e87379 100644
--- a/src/include/c.h
+++ b/src/include/c.h
@@ -722,7 +722,7 @@ typedef NameData *Name;
 /* gettext domain name mangling */
 
 /*
- * To better support parallel installations of major PostgeSQL
+ * To better support parallel installations of major PostgreSQL
  * versions as well as parallel installations of major library soname
  * versions, we mangle the gettext domain name by appending those
  * version numbers.  The coding rule ought to be that whereever the
diff --git a/src/include/storage/s_lock.h b/src/include/storage/s_lock.h
index 6a070d4b47..b3274b6abb 100644
--- a/src/include/storage/s_lock.h
+++ b/src/include/storage/s_lock.h
@@ -991,7 +991,7 @@ typedef LONG slock_t;
 #define SPIN_DELAY() spin_delay()
 
 /* If using Visual C++ on Win64, inline assembly is unavailable.
- * Use a _mm_pause instrinsic instead of rep nop.
+ * Use a _mm_pause intrinsic instead of rep nop.
  */
 #if defined(_WIN64)
 static __forceinline void
diff --git a/src/interfaces/ecpg/ecpglib/execute.c b/src/interfaces/ecpg/ecpglib/execute.c
index 10a5d075df..f95cac629a 100644
--- a/src/interfaces/ecpg/ecpglib/execute.c
+++ b/src/interfaces/ecpg/ecpglib/execute.c
@@ -1,8 +1,8 @@
 /* src/interfaces/ecpg/ecpglib/execute.c */
 
 /*
- * The aim is to get a simpler inteface to the database routines.
- * All the tidieous messing around with tuples is supposed to be hidden
+ * The aim is to get a simpler interface to the database routines.
+ * All the tedious messing around with tuples is supposed to be hidden
  * by this function.
  */
 /* Author: Linus Tolke
diff --git a/src/interfaces/ecpg/pgtypeslib/datetime.c b/src/interfaces/ecpg/pgtypeslib/datetime.c
index 4adcd1e361..1a3c1b55d4 100644
--- a/src/interfaces/ecpg/pgtypeslib/datetime.c
+++ b/src/interfaces/ecpg/pgtypeslib/datetime.c
@@ -324,8 +324,8 @@ PGTYPESdate_fmt_asc(date dDate, const char *fmtstring, char *outbuf)
  * PGTYPESdate_defmt_asc
  *
  * function works as follows:
- *	 - first we analyze the paramters
- *	 - if this is a special case with no delimiters, add delimters
+ *	 - first we analyze the parameters
+ *	 - if this is a special case with no delimiters, add delimiters
  *	 - find the tokens. First we look for numerical values. If we have found
  *	   less than 3 tokens, we check for the months' names and thereafter for
  *	   the abbreviations of the months' names.
diff --git a/src/interfaces/ecpg/pgtypeslib/numeric.c b/src/interfaces/ecpg/pgtypeslib/numeric.c
index e286aac94c..ecb332dc61 100644
--- a/src/interfaces/ecpg/pgtypeslib/numeric.c
+++ b/src/interfaces/ecpg/pgtypeslib/numeric.c
@@ -1369,11 +1369,11 @@ PGTYPESnumeric_cmp(numeric *var1, numeric *var2)
 
 	/* use cmp_abs function to calculate the result */
 
-	/* both are positive: normal comparation with cmp_abs */
+	/* both are positive: normal comparison with cmp_abs */
 	if (var1->sign == NUMERIC_POS && var2->sign == NUMERIC_POS)
 		return cmp_abs(var1, var2);
 
-	/* both are negative: return the inverse of the normal comparation */
+	/* both are negative: return the inverse of the normal comparison */
 	if (var1->sign == NUMERIC_NEG && var2->sign == NUMERIC_NEG)
 	{
 		/*
diff --git a/src/interfaces/ecpg/preproc/ecpg.header b/src/interfaces/ecpg/preproc/ecpg.header
index 6f08aeb3b7..cab82f78b9 100644
--- a/src/interfaces/ecpg/preproc/ecpg.header
+++ b/src/interfaces/ecpg/preproc/ecpg.header
@@ -190,7 +190,7 @@ create_questionmarks(char *name, bool array)
 
 	/* In case we have a struct, we have to print as many "?" as there are attributes in the struct
 	 * An array is only allowed together with an element argument
-	 * This is essantially only used for inserts, but using a struct as input parameter is an error anywhere else
+	 * This is essentially only used for inserts, but using a struct as input parameter is an error anywhere else
 	 * so we don't have to worry here. */
 
 	if (p->type->type == ECPGt_struct || (array && p->type->type == ECPGt_array && p->type->u.element->type == ECPGt_struct))
diff --git a/src/interfaces/ecpg/preproc/ecpg.trailer b/src/interfaces/ecpg/preproc/ecpg.trailer
index 42c2f3901e..81945fce71 100644
--- a/src/interfaces/ecpg/preproc/ecpg.trailer
+++ b/src/interfaces/ecpg/preproc/ecpg.trailer
@@ -355,7 +355,7 @@ ECPGExecuteImmediateStmt: EXECUTE IMMEDIATE execstring
 			  $$ = $3;
 			};
 /*
- * variable decalartion outside exec sql declare block
+ * variable declaration outside exec sql declare block
  */
 ECPGVarDeclaration: single_vt_declaration;
 
@@ -707,7 +707,7 @@ struct_union_type_with_symbol: s_struct_union_symbol
 			free(forward_name);
 			forward_name = NULL;
 
-			/* This is essantially a typedef but needs the keyword struct/union as well.
+			/* This is essentially a typedef but needs the keyword struct/union as well.
 			 * So we create the typedef for each struct definition with symbol */
 			for (ptr = types; ptr != NULL; ptr = ptr->next)
 			{
@@ -1275,7 +1275,7 @@ descriptor_item:	SQL_CARDINALITY			{ $$ = ECPGd_cardinality; }
 		;
 
 /*
- * set/reset the automatic transaction mode, this needs a differnet handling
+ * set/reset the automatic transaction mode, this needs a different handling
  * as the other set commands
  */
 ECPGSetAutocommit:	SET SQL_AUTOCOMMIT '=' on_off	{ $$ = $4; }
@@ -1287,7 +1287,7 @@ on_off: ON				{ $$ = mm_strdup("on"); }
 		;
 
 /*
- * set the actual connection, this needs a differnet handling as the other
+ * set the actual connection, this needs a different handling as the other
  * set commands
  */
 ECPGSetConnection:	SET CONNECTION TO connection_object { $$ = $4; }
diff --git a/src/interfaces/ecpg/preproc/parse.pl b/src/interfaces/ecpg/preproc/parse.pl
index c772b2ac95..5335ac136a 100644
--- a/src/interfaces/ecpg/preproc/parse.pl
+++ b/src/interfaces/ecpg/preproc/parse.pl
@@ -546,7 +546,7 @@ sub dump_fields
 			if ($len == 1)
 			{
 
-				# Straight assignement
+				# Straight assignment
 				$str = ' $$ = ' . $flds_new[0] . ';';
 				add_to_buffer('rules', $str);
 			}
diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index 67dd24a0b1..5126f76614 100644
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -1028,7 +1028,7 @@ pg_fe_getauthname(PQExpBuffer errorMessage)
  * be sent in cleartext if it is encrypted on the client side.  This is
  * good because it ensures the cleartext password won't end up in logs,
  * pg_stat displays, etc.  We export the function so that clients won't
- * be dependent on low-level details like whether the enceyption is MD5
+ * be dependent on low-level details like whether the encryption is MD5
  * or something else.
  *
  * Arguments are the cleartext password, and the SQL name of the user it
diff --git a/src/interfaces/libpq/win32.c b/src/interfaces/libpq/win32.c
index 29d0313373..39adb90aac 100644
--- a/src/interfaces/libpq/win32.c
+++ b/src/interfaces/libpq/win32.c
@@ -32,7 +32,7 @@
 
 #include "win32.h"
 
-/* Declared here to avoid pulling in all includes, which causes name collissions */
+/* Declared here to avoid pulling in all includes, which causes name collisions */
 #ifdef ENABLE_NLS
 extern char *
 libpq_gettext(const char *msgid)
diff --git a/src/pl/plperl/ppport.h b/src/pl/plperl/ppport.h
index 5ea0c66e98..31d06cb3b0 100644
--- a/src/pl/plperl/ppport.h
+++ b/src/pl/plperl/ppport.h
@@ -79,7 +79,7 @@ to be installed on your system.
 If this option is given, a copy of each file will be saved with
 the given suffix that contains the suggested changes. This does
 not require any external programs. Note that this does not
-automagially add a dot between the original filename and the
+automagically add a dot between the original filename and the
 suffix. If you want the dot, you have to include it in the option
 argument.
 
@@ -4364,9 +4364,9 @@ DPPP_(my_vload_module)(U32 flags, SV *name, SV *ver, va_list *args)
 
     OP * const modname = newSVOP(OP_CONST, 0, name);
     /* 5.005 has a somewhat hacky force_normal that doesn't croak on
-       SvREADONLY() if PL_compling is true. Current perls take care in
+       SvREADONLY() if PL_compiling is true. Current perls take care in
        ck_require() to correctly turn off SvREADONLY before calling
-       force_normal_flags(). This seems a better fix than fudging PL_compling
+       force_normal_flags(). This seems a better fix than fudging PL_compiling
      */
     SvREADONLY_off(((SVOP*)modname)->op_sv);
     modname->op_private |= OPpCONST_BARE;
diff --git a/src/pl/plpython/plpy_elog.c b/src/pl/plpython/plpy_elog.c
index e89aaadc87..caf7f20d8a 100644
--- a/src/pl/plpython/plpy_elog.c
+++ b/src/pl/plpython/plpy_elog.c
@@ -274,7 +274,7 @@ PLy_traceback(PyObject *e, PyObject *v, PyObject *tb,
 			long		plain_lineno;
 
 			/*
-			 * The second frame points at the internal function, but to mimick
+			 * The second frame points at the internal function, but to mimic
 			 * Python error reporting we want to say <module>.
 			 */
 			if (*tb_depth == 1)
diff --git a/src/pl/plpython/plpy_typeio.h b/src/pl/plpython/plpy_typeio.h
index d2dfa66e0b..f55fc03d61 100644
--- a/src/pl/plpython/plpy_typeio.h
+++ b/src/pl/plpython/plpy_typeio.h
@@ -68,7 +68,7 @@ typedef union PLyTypeOutput
 	PLyObToTuple r;
 } PLyTypeOutput;
 
-/* all we need to move Postgresql data to Python objects,
+/* all we need to move PostgreSQL data to Python objects,
  * and vice versa
  */
 typedef struct PLyTypeInfo
diff --git a/src/test/isolation/specs/receipt-report.spec b/src/test/isolation/specs/receipt-report.spec
index 1e214960d1..5e1d51d0bd 100644
--- a/src/test/isolation/specs/receipt-report.spec
+++ b/src/test/isolation/specs/receipt-report.spec
@@ -7,7 +7,7 @@
 # be changed and a report of the closed day's receipts subsequently
 # run which will miss a receipt from the date which has been closed.
 #
-# There are only six permuations which must cause a serialization failure.
+# There are only six permutations which must cause a serialization failure.
 # Failure cases are where s1 overlaps both s2 and s3, but s2 commits before
 # s3 executes its first SELECT.
 #
diff --git a/src/test/isolation/specs/two-ids.spec b/src/test/isolation/specs/two-ids.spec
index d67064068e..277097125a 100644
--- a/src/test/isolation/specs/two-ids.spec
+++ b/src/test/isolation/specs/two-ids.spec
@@ -2,7 +2,7 @@
 #
 # Small, simple test showing read-only anomalies.
 #
-# There are only four permuations which must cause a serialization failure.
+# There are only four permutations which must cause a serialization failure.
 # Required failure cases are where s2 overlaps both s1 and s3, but s1
 # commits before s3 executes its first SELECT.
 #
diff --git a/src/test/regress/expected/alter_table.out b/src/test/regress/expected/alter_table.out
index 4252845130..21de94917e 100644
--- a/src/test/regress/expected/alter_table.out
+++ b/src/test/regress/expected/alter_table.out
@@ -313,7 +313,7 @@ INSERT INTO tmp3 values (5,50);
 -- Try (and fail) to add constraint due to invalid source columns
 ALTER TABLE tmp3 add constraint tmpconstr foreign key(c) references tmp2 match full;
 ERROR:  column "c" referenced in foreign key constraint does not exist
--- Try (and fail) to add constraint due to invalide destination columns explicitly given
+-- Try (and fail) to add constraint due to invalid destination columns explicitly given
 ALTER TABLE tmp3 add constraint tmpconstr foreign key(a) references tmp2(b) match full;
 ERROR:  column "b" referenced in foreign key constraint does not exist
 -- Try (and fail) to add constraint due to invalid data
diff --git a/src/test/regress/expected/plpgsql.out b/src/test/regress/expected/plpgsql.out
index a5992a847d..f37d01d3f3 100644
--- a/src/test/regress/expected/plpgsql.out
+++ b/src/test/regress/expected/plpgsql.out
@@ -1423,7 +1423,7 @@ select * from WSlot order by slotname;
 
 --
 -- Install the central phone system and create the phone numbers.
--- They are weired on insert to the patchfields. Again the
+-- They are wired on insert to the patchfields. Again the
 -- triggers automatically tell the PSlots to update their
 -- backlink field.
 --
diff --git a/src/test/regress/expected/rules.out b/src/test/regress/expected/rules.out
index f7ad30b450..3b137ab2e4 100644
--- a/src/test/regress/expected/rules.out
+++ b/src/test/regress/expected/rules.out
@@ -938,7 +938,7 @@ CREATE TABLE shoe_data (
 	shoename   char(10),      -- primary key
 	sh_avail   integer,       -- available # of pairs
 	slcolor    char(10),      -- preferred shoelace color
-	slminlen   float,         -- miminum shoelace length
+	slminlen   float,         -- minimum shoelace length
 	slmaxlen   float,         -- maximum shoelace length
 	slunit     char(8)        -- length unit
 );
diff --git a/src/test/regress/expected/tsdicts.out b/src/test/regress/expected/tsdicts.out
index 9df1434a14..89230ad020 100644
--- a/src/test/regress/expected/tsdicts.out
+++ b/src/test/regress/expected/tsdicts.out
@@ -191,7 +191,7 @@ SELECT ts_lexize('hunspell', 'footballyklubber');
  {foot,ball,klubber}
 (1 row)
 
--- Synonim dictionary
+-- Synonym dictionary
 CREATE TEXT SEARCH DICTIONARY synonym (
 						Template=synonym,
 						Synonyms=synonym_sample
diff --git a/src/test/regress/sql/alter_table.sql b/src/test/regress/sql/alter_table.sql
index 6b054d48ce..97cb100f64 100644
--- a/src/test/regress/sql/alter_table.sql
+++ b/src/test/regress/sql/alter_table.sql
@@ -254,7 +254,7 @@ INSERT INTO tmp3 values (5,50);
 -- Try (and fail) to add constraint due to invalid source columns
 ALTER TABLE tmp3 add constraint tmpconstr foreign key(c) references tmp2 match full;
 
--- Try (and fail) to add constraint due to invalide destination columns explicitly given
+-- Try (and fail) to add constraint due to invalid destination columns explicitly given
 ALTER TABLE tmp3 add constraint tmpconstr foreign key(a) references tmp2(b) match full;
 
 -- Try (and fail) to add constraint due to invalid data
diff --git a/src/test/regress/sql/plpgsql.sql b/src/test/regress/sql/plpgsql.sql
index 4f27e02227..41104547eb 100644
--- a/src/test/regress/sql/plpgsql.sql
+++ b/src/test/regress/sql/plpgsql.sql
@@ -1350,7 +1350,7 @@ select * from WSlot order by slotname;
 
 --
 -- Install the central phone system and create the phone numbers.
--- They are weired on insert to the patchfields. Again the
+-- They are wired on insert to the patchfields. Again the
 -- triggers automatically tell the PSlots to update their
 -- backlink field.
 --
diff --git a/src/test/regress/sql/rules.sql b/src/test/regress/sql/rules.sql
index af46b612ed..812f64f014 100644
--- a/src/test/regress/sql/rules.sql
+++ b/src/test/regress/sql/rules.sql
@@ -522,7 +522,7 @@ CREATE TABLE shoe_data (
 	shoename   char(10),      -- primary key
 	sh_avail   integer,       -- available # of pairs
 	slcolor    char(10),      -- preferred shoelace color
-	slminlen   float,         -- miminum shoelace length
+	slminlen   float,         -- minimum shoelace length
 	slmaxlen   float,         -- maximum shoelace length
 	slunit     char(8)        -- length unit
 );
diff --git a/src/test/regress/sql/tsdicts.sql b/src/test/regress/sql/tsdicts.sql
index 55afcec906..8100c6bdc8 100644
--- a/src/test/regress/sql/tsdicts.sql
+++ b/src/test/regress/sql/tsdicts.sql
@@ -48,7 +48,7 @@ SELECT ts_lexize('hunspell', 'footballklubber');
 SELECT ts_lexize('hunspell', 'ballyklubber');
 SELECT ts_lexize('hunspell', 'footballyklubber');
 
--- Synonim dictionary
+-- Synonym dictionary
 CREATE TEXT SEARCH DICTIONARY synonym (
 						Template=synonym,
 						Synonyms=synonym_sample