doc: Various typo/grammar fixes

Errors detected using Topy (https://github.com/intgr/topy), all
changes verified by hand and some manual tweaks added.

Marti Raudsepp

Individual changes backpatched, where applicable, as far as 9.0.

Author: kgrittn

doc/src/sgml/datatype.sgml

@@ -2284,7 +2284,7 @@ January 8 04:05:06 1999 PST
    <para>
     Time zones, and time-zone conventions, are influenced by
     political decisions, not just earth geometry. Time zones around the
-    world became somewhat standardized during the 1900's,
+    world became somewhat standardized during the 1900s,
     but continue to be prone to arbitrary changes, particularly with
     respect to daylight-savings rules.
     <productname>PostgreSQL</productname> uses the widely-used

doc/src/sgml/mvcc.sgml

@@ -1224,7 +1224,7 @@ UPDATE accounts SET balance = balance - 100.00 WHERE acctnum = 22222;
      correctly.  Advisory locks can be useful for locking strategies
      that are an awkward fit for the MVCC model.
      For example, a common use of advisory locks is to emulate pessimistic
-     locking strategies typical of so called <quote>flat file</> data
+     locking strategies typical of so-called <quote>flat file</> data
      management systems.
      While a flag stored in a table could be used for the same purpose,
      advisory locks are faster, avoid table bloat, and are automatically

doc/src/sgml/pgbench.sgml

@@ -650,7 +650,7 @@ END;
    (useful when multiple scripts were specified with <literal>-f</>),
    and <replaceable>time_epoch</>/<replaceable>time_us</> are a
    UNIX epoch format timestamp and an offset
-   in microseconds (suitable for creating a ISO 8601
+   in microseconds (suitable for creating an ISO 8601
    timestamp with fractional seconds) showing when
    the transaction completed.
   </para>

doc/src/sgml/pgcrypto.sgml

@@ -538,7 +538,7 @@ pgp_pub_encrypt_bytea(data bytea, key bytea [, options text ]) returns bytea
 </synopsis>
    <para>
     Encrypt <parameter>data</> with a public PGP key <parameter>key</>.
-    Giving this function a secret key will produce a error.
+    Giving this function a secret key will produce an error.
    </para>
    <para>
     The <parameter>options</> parameter can contain option settings,

doc/src/sgml/pltcl.sgml

@@ -51,7 +51,7 @@
     Sometimes it is desirable to write Tcl functions that are not restricted
     to safe Tcl.  For example, one might want a Tcl function that sends
     email.  To handle these cases, there is a variant of <application>PL/Tcl</> called <literal>PL/TclU</>
-    (for untrusted Tcl).  This is the exact same language except that a full
+    (for untrusted Tcl).  This is exactly the same language except that a full
     Tcl interpreter is used.  <emphasis>If <application>PL/TclU</> is used, it must be
     installed as an untrusted procedural language</emphasis> so that only
     database superusers can create functions in it.  The writer of a <application>PL/TclU</>

doc/src/sgml/queries.sgml

@@ -1939,7 +1939,7 @@ DELETE FROM parts
     statements in <literal>WITH</>, the order in which the specified updates
     actually happen is unpredictable.  All the statements are executed with
     the same <firstterm>snapshot</> (see <xref linkend="mvcc">), so they
-    cannot <quote>see</> each others' effects on the target tables.  This
+    cannot <quote>see</> one another's effects on the target tables.  This
     alleviates the effects of the unpredictability of the actual order of row
     updates, and means that <literal>RETURNING</> data is the only way to
     communicate changes between different <literal>WITH</> sub-statements and

doc/src/sgml/ref/alter_tsdictionary.sgml

@@ -126,7 +126,7 @@ ALTER TEXT SEARCH DICTIONARY my_dict ( StopWords = newrussian );
 </programlisting>
 
   <para>
-   The following example command changes the language option to dutch,
+   The following example command changes the language option to <literal>dutch</>,
    and removes the stopword option entirely.
   </para>
 

doc/src/sgml/ref/comment.sgml

@@ -290,7 +290,7 @@ COMMENT ON SERVER myserver IS 'my foreign server';
 COMMENT ON TABLE my_schema.my_table IS 'Employee Information';
 COMMENT ON TABLESPACE my_tablespace IS 'Tablespace for indexes';
 COMMENT ON TEXT SEARCH CONFIGURATION my_config IS 'Special word filtering';
-COMMENT ON TEXT SEARCH DICTIONARY swedish IS 'Snowball stemmer for swedish language';
+COMMENT ON TEXT SEARCH DICTIONARY swedish IS 'Snowball stemmer for Swedish language';
 COMMENT ON TEXT SEARCH PARSER my_parser IS 'Splits text into words';
 COMMENT ON TEXT SEARCH TEMPLATE snowball IS 'Snowball stemmer';
 COMMENT ON TRIGGER my_trigger ON my_table IS 'Used for RI';

doc/src/sgml/release-7.4.sgml

@@ -3797,7 +3797,7 @@ DROP SCHEMA information_schema CASCADE;
     </para>
     <para>
      This enabled <command>GRANT</command> to give other users the
-     ability to grant privileges on a object.
+     ability to grant privileges on an object.
     </para>
    </listitem>
   </itemizedlist>

doc/src/sgml/release-8.2.sgml

@@ -5883,7 +5883,7 @@
       <para>
        The new syntax is <link linkend="SQL-CREATEINDEX"><command>CREATE
        INDEX CONCURRENTLY</></link>.  The default behavior is
-       still to block table modification while a index is being
+       still to block table modification while an index is being
        created.
       </para>
      </listitem>