Fix typos in comments and in one isolation test.

Dagfinn Ilmari Mannsåker, reviewed by Shubham Khanna. Some subtractions
by me.

Discussion: http://postgr.es/m/87le9fmi01.fsf@wibble.ilmari.org

Author: robertmhaas

contrib/bloom/bloom.h

@@ -127,7 +127,7 @@ typedef struct BloomMetaPageData
 	FreeBlockNumberArray notFullPage;
 } BloomMetaPageData;
 
-/* Magic number to distinguish bloom pages among anothers */
+/* Magic number to distinguish bloom pages from others */
 #define BLOOM_MAGICK_NUMBER (0xDBAC0DED)
 
 /* Number of blocks numbers fit in BloomMetaPageData */

contrib/pgcrypto/expected/pgp-compression.out

@@ -60,7 +60,7 @@ WITH random_string AS
   -- This generates a random string of 16366 bytes.  This is chosen
   -- as random so that it does not get compressed, and the decompression
   -- would work on a string with the same length as the origin, making the
-  -- test behavior more predictible.  lpad() ensures that the generated
+  -- test behavior more predictable.  lpad() ensures that the generated
   -- hexadecimal value is completed by extra zero characters if random()
   -- has generated a value strictly lower than 16.
   SELECT string_agg(decode(lpad(to_hex((random()*256)::int), 2, '0'), 'hex'), '') as bytes

contrib/pgcrypto/openssl.c

@@ -460,7 +460,7 @@ bf_init(PX_Cipher *c, const uint8 *key, unsigned klen, const uint8 *iv)
 
 	/*
 	 * Test if key len is supported. BF_set_key silently cut large keys and it
-	 * could be a problem when user transfer crypted data from one server to
+	 * could be a problem when user transfer encrypted data from one server to
 	 * another.
 	 */
 

contrib/pgcrypto/sql/pgp-compression.sql

@@ -36,7 +36,7 @@ WITH random_string AS
   -- This generates a random string of 16366 bytes.  This is chosen
   -- as random so that it does not get compressed, and the decompression
   -- would work on a string with the same length as the origin, making the
-  -- test behavior more predictible.  lpad() ensures that the generated
+  -- test behavior more predictable.  lpad() ensures that the generated
   -- hexadecimal value is completed by extra zero characters if random()
   -- has generated a value strictly lower than 16.
   SELECT string_agg(decode(lpad(to_hex((random()*256)::int), 2, '0'), 'hex'), '') as bytes

contrib/postgres_fdw/expected/postgres_fdw.out

@@ -4819,7 +4819,7 @@ SELECT * FROM ft2 ftupper WHERE
  925 |  5 | 00925 | Mon Jan 26 00:00:00 1970 PST | Mon Jan 26 00:00:00 1970 | 5  | 5          | foo
 (10 rows)
 
--- EXISTS should be propogated to the highest upper inner join
+-- EXISTS should be propagated to the highest upper inner join
 EXPLAIN (verbose, costs off)
 	SELECT ft2.*, ft4.* FROM ft2 INNER JOIN
 	(SELECT * FROM ft4 WHERE EXISTS (

contrib/postgres_fdw/sql/postgres_fdw.sql

@@ -1399,7 +1399,7 @@ SELECT * FROM ft2 ftupper WHERE
   AND ftupper.c1 > 900
   ORDER BY ftupper.c1 LIMIT 10;
 
--- EXISTS should be propogated to the highest upper inner join
+-- EXISTS should be propagated to the highest upper inner join
 EXPLAIN (verbose, costs off)
 	SELECT ft2.*, ft4.* FROM ft2 INNER JOIN
 	(SELECT * FROM ft4 WHERE EXISTS (

src/backend/access/brin/brin.c

@@ -348,7 +348,7 @@ brininsert(Relation idxRel, Datum *values, bool *nulls,
 	bool		autosummarize = BrinGetAutoSummarize(idxRel);
 
 	/*
-	 * If firt time through in this statement, initialize the insert state
+	 * If first time through in this statement, initialize the insert state
 	 * that we keep for all the inserts in the command.
 	 */
 	if (!bistate)
@@ -1042,7 +1042,7 @@ brinbuildCallbackParallel(Relation index,
 	/*
 	 * If we're in a block that belongs to a different range, summarize what
 	 * we've got and start afresh.  Note the scan might have skipped many
-	 * pages, if they were devoid of live tuples; we do not create emptry BRIN
+	 * pages, if they were devoid of live tuples; we do not create empty BRIN
 	 * ranges here - the leader is responsible for filling them in.
 	 *
 	 * Unlike serial builds, parallel index builds allow synchronized seqscans
@@ -2149,7 +2149,7 @@ union_tuples(BrinDesc *bdesc, BrinMemTuple *a, BrinTuple *b)
  * brin_vacuum_scan
  *		Do a complete scan of the index during VACUUM.
  *
- * This routine scans the complete index looking for uncatalogued index pages,
+ * This routine scans the complete index looking for uncataloged index pages,
  * i.e. those that might have been lost due to a crash after index extension
  * and such.
  */

src/backend/access/common/heaptuple.c

@@ -85,7 +85,7 @@
 	((att)->attstorage != TYPSTORAGE_PLAIN)
 
 /*
- * Setup for cacheing pass-by-ref missing attributes in a way that survives
+ * Setup for caching pass-by-ref missing attributes in a way that survives
  * tupleDesc destruction.
  */
 

src/backend/access/nbtree/nbtree.c

@@ -158,7 +158,7 @@ btbuildempty(Relation index)
 	Page		metapage;
 
 	/*
-	 * Initalize the metapage.
+	 * Initialize the metapage.
 	 *
 	 * Regular index build bypasses the buffer manager and uses smgr functions
 	 * directly, with an smgrimmedsync() call at the end.  That makes sense

src/backend/catalog/namespace.c

@@ -4218,7 +4218,7 @@ cachedNamespacePath(const char *searchPath, Oid roleid)
 	entry = spcache_insert(searchPath, roleid);
 
 	/*
-	 * An OOM may have resulted in a cache entry with mising 'oidlist' or
+	 * An OOM may have resulted in a cache entry with missing 'oidlist' or
 	 * 'finalPath', so just compute whatever is missing.
 	 */