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.

doc/src/sgml/datatype.sgml

@@ -2239,7 +2239,7 @@ 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/pgbench.sgml

@@ -637,7 +637,7 @@ 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/ref/alter_tsdictionary.sgml

@@ -116,7 +116,7 @@ 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

@@ -265,7 +265,7 @@ COMMENT ON SEQUENCE my_sequence IS 'Used to generate primary keys';
 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>

doc/src/sgml/release-old.sgml

@@ -4849,7 +4849,7 @@ New DECLARE and FETCH feature(Thomas)
 libpq's internal structures now not exported(Tom)
 Allow up to 8 key indexes(Bruce)
 Remove ARCHIVE key word, that is no longer used(Thomas)
-pg_dump -n flag to suppress quotes around indentifiers
+pg_dump -n flag to suppress quotes around identifiers
 disable system columns for views(Jan)
 new INET and CIDR types for network addresses(TomH, Paul)
 no more double quotes in psql output
@@ -5250,7 +5250,7 @@ Support SQL92 syntax for type coercion of literal strings
        (e.g. "DATETIME 'now'")(Thomas)
 Add conversions for int2, int4, and OID types to and from text(Thomas)
 Use shared lock when building indexes(Vadim)
-Free memory allocated for an user query inside transaction block after
+Free memory allocated for a user query inside transaction block after
        this query is done, was turned off in <= 6.2.1(Vadim)
 New SQL statement CREATE PROCEDURAL LANGUAGE(Jan)
 New <productname>PostgreSQL</productname> Procedural Language (PL) backend interface(Jan)
@@ -6514,7 +6514,7 @@ Incompatible changes:
 New tools:
  * pgperl - a Perl (4.036) interface to Postgres95
  * pg_dump - a utility for dumping out a postgres database into a
-        script file containing query commands. The script files are in a ASCII
+        script file containing query commands. The script files are in an ASCII
         format and can be used to reconstruct the database, even on other
         machines and other architectures. (Also good for converting
         a Postgres 4.2 database to Postgres95 database.)

doc/src/sgml/stylesheet.dsl

@@ -546,7 +546,7 @@
 
 ;; By default, the part and reference title pages get wrong page
 ;; numbers: The first title page gets roman numerals carried over from
-;; preface/toc -- we want arabic numerals.  We also need to make sure
+;; preface/toc -- we want Arabic numerals.  We also need to make sure
 ;; that page-number-restart is set of #f explicitly, because otherwise
 ;; it will carry over from the previous component, which is not good.
 ;;

doc/src/sgml/textsearch.sgml

@@ -2425,7 +2425,7 @@ more sample word(s) : more indexed word(s)
 </programlisting>
 
     where  the colon (<symbol>:</symbol>) symbol acts as a delimiter between a
-    a phrase and its replacement.
+    phrase and its replacement.
    </para>
 
    <para>

doc/src/sgml/xml2.sgml

@@ -321,7 +321,7 @@ AS t(article_id integer, author text, page_count integer, title text);
 
   <para>
    The calling <command>SELECT</> statement doesn't necessarily have be
-   be just <literal>SELECT *</> &mdash; it can reference the output
+   just <literal>SELECT *</> &mdash; it can reference the output
    columns by name or join them to other tables. The function produces a
    virtual table with which you can perform any operation you wish (e.g.
    aggregation, joining, sorting etc). So we could also have:

doc/src/sgml/xoper.sgml

@@ -189,7 +189,7 @@ SELECT (a + b) AS c FROM test_complex;
 
    <para>
     Unlike commutators, a pair of unary operators could validly be marked
-    as each others' negators; that would mean (A x) equals NOT (B x)
+    as each other's negators; that would mean (A x) equals NOT (B x)
     for all x, or the equivalent for right unary operators.
    </para>