More clearly document that most PostgreSQL utilities support libpq

environment variables.  Backpatch to 8.2.X.

doc/src/sgml/ref/clusterdb.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/clusterdb.sgml,v 1.18 2006/09/16 00:30:17 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/clusterdb.sgml,v 1.19 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -190,6 +190,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -235,7 +242,6 @@ PostgreSQL documentation
 
   <simplelist type="inline">
    <member><xref linkend="sql-cluster" endterm="sql-cluster-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/createdb.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/createdb.sgml,v 1.42 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/createdb.sgml,v 1.43 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -241,6 +241,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -294,7 +301,6 @@ PostgreSQL documentation
   <simplelist type="inline">
    <member><xref linkend="app-dropdb"></member>
    <member><xref linkend="sql-createdatabase" endterm="sql-createdatabase-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/createlang.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/createlang.sgml,v 1.38 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/createlang.sgml,v 1.39 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -171,6 +171,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -181,7 +188,9 @@ PostgreSQL documentation
     Most error messages are self-explanatory. If not, run
     <application>createlang</application> with the <option>--echo</option>
     option and see under the respective <acronym>SQL</acronym> command
-    for details.
+    for details.  Also, any default connection settings and environment
+    variables used by the <application>libpq</application> front-end
+    library will apply.
    </para>
  </refsect1>
 
@@ -216,7 +225,6 @@ PostgreSQL documentation
   <simplelist type="inline">
    <member><xref linkend="app-droplang"></member>
    <member><xref linkend="sql-createlanguage" endterm="sql-createlanguage-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/createuser.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/createuser.sgml,v 1.45 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/createuser.sgml,v 1.46 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -331,6 +331,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -401,7 +408,6 @@ PostgreSQL documentation
   <simplelist type="inline">
    <member><xref linkend="app-dropuser"></member>
    <member><xref linkend="sql-createrole" endterm="sql-createrole-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/dropdb.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/dropdb.sgml,v 1.28 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/dropdb.sgml,v 1.29 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -168,6 +168,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -220,7 +227,6 @@ DROP DATABASE</computeroutput>
   <simplelist type="inline">
    <member><xref linkend="app-createdb"></member>
    <member><xref linkend="sql-dropdatabase" endterm="sql-dropdatabase-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/droplang.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/droplang.sgml,v 1.27 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/droplang.sgml,v 1.28 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -179,6 +179,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -189,7 +196,9 @@ PostgreSQL documentation
     Most error messages are self-explanatory. If not, run
     <application>droplang</application> with the <option>--echo</option>
     option and see under the respective <acronym>SQL</acronym> command
-    for details.
+    for details.  Also, any default connection settings and environment
+    variables used by the <application>libpq</application> front-end
+    library will apply.
    </para>
  </refsect1>
 
@@ -220,7 +229,6 @@ PostgreSQL documentation
   <simplelist type="inline">
    <member><xref linkend="app-createlang"></member>
    <member><xref linkend="sql-droplanguage" endterm="sql-droplanguage-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/dropuser.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/dropuser.sgml,v 1.34 2006/09/16 00:30:18 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/dropuser.sgml,v 1.35 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -171,6 +171,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -223,7 +230,6 @@ DROP ROLE</computeroutput>
   <simplelist type="inline">
    <member><xref linkend="app-createuser"></member>
    <member><xref linkend="sql-droprole" endterm="sql-droprole-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/initdb.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/initdb.sgml,v 1.40 2007/02/01 19:10:24 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/initdb.sgml,v 1.41 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -291,6 +291,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
  <refsect1>

doc/src/sgml/ref/pg_controldata.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/pg_controldata.sgml,v 1.9 2007/01/31 23:26:04 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/pg_controldata.sgml,v 1.10 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -57,7 +57,6 @@ PostgreSQL documentation
      </para>
     </listitem>
    </varlistentry>
-
   </variablelist>
  </refsect1>
 </refentry>

doc/src/sgml/ref/pg_ctl-ref.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/pg_ctl-ref.sgml,v 1.38 2007/01/31 23:26:04 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/pg_ctl-ref.sgml,v 1.39 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -357,6 +357,9 @@ PostgreSQL documentation
 
   <para>
    For additional server variables, see <xref linkend="app-postgres">.
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
   </para>
  </refsect1>
 

doc/src/sgml/ref/pg_dump.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.95 2007/02/20 15:01:17 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dump.sgml,v 1.96 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -683,6 +683,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
  <refsect1 id="app-pgdump-diagnostics">
@@ -693,7 +700,9 @@ PostgreSQL documentation
    <command>SELECT</command> statements. If you have problems running
    <application>pg_dump</application>, make sure you are able to
    select information from the database using, for example, <xref
-   linkend="app-psql">.
+   linkend="app-psql">.  Also, any default connection settings and environment
+   variables used by the <application>libpq</application> front-end
+   library will apply.
   </para>
  </refsect1>
 
@@ -866,7 +875,6 @@ CREATE DATABASE foo WITH TEMPLATE template0;
    <member><xref linkend="app-pg-dumpall"></member>
    <member><xref linkend="app-pgrestore"></member>
    <member><xref linkend="app-psql"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/pg_dumpall.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dumpall.sgml,v 1.65 2007/02/01 04:39:33 neilc Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/pg_dumpall.sgml,v 1.66 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -403,6 +403,13 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -458,9 +465,8 @@ PostgreSQL documentation
   <title>See Also</title>
 
   <para>
-    <xref linkend="app-pgdump">.  Check there for details on possible
-    error conditions.  Also see supported environment variables
-    (<xref linkend="libpq-envars">).
+    Check <xref linkend="app-pgdump"> for details on possible
+    error conditions.
   </para>
  </refsect1>   
 

doc/src/sgml/ref/pg_restore.sgml

-<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/pg_restore.sgml,v 1.68 2007/02/20 15:01:17 momjian Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/ref/pg_restore.sgml,v 1.69 2007/02/20 18:10:58 momjian Exp $ -->
 
 <refentry id="APP-PGRESTORE">
  <refmeta>
@@ -508,6 +508,13 @@
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
+  </para>
+
  </refsect1>
 
 
@@ -520,7 +527,9 @@
    internally executes <acronym>SQL</acronym> statements. If you have
    problems running <application>pg_restore</application>, make sure
    you are able to select information from the database using, for
-   example, <xref linkend="app-psql">.
+   example, <xref linkend="app-psql">.  Also, any default connection
+   settings and environment variables used by the
+   <application>libpq</application> front-end library will apply.
   </para>
  </refsect1>
 
@@ -680,7 +689,6 @@ CREATE DATABASE foo WITH TEMPLATE template0;
    <member><xref linkend="app-pgdump"></member>
    <member><xref linkend="app-pg-dumpall"></member>
    <member><xref linkend="app-psql"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 </refentry>

doc/src/sgml/ref/psql-ref.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.183 2007/02/01 19:10:24 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/psql-ref.sgml,v 1.184 2007/02/20 18:10:58 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -2697,10 +2697,9 @@ $endif
   </variablelist>
 
   <para>
-   Because <application>psql</application> uses <application>libpq</application>
-   internally, all <application>libpq</application> environment variables are
-   also honored by <application>psql</application>.  For a complete list of those
-   variables, see <xref linkend="libpq-envars">.
+   This utility, like most other <productname>PostgreSQL</> utilities,
+   also uses the environment variables supported by <xref 
+   linkend="libpq-envars" endterm="libpq">.
   </para>
 
  </refsect1>

doc/src/sgml/ref/reindexdb.sgml

@@ -213,6 +213,14 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   Because <application>psql</application> uses <application>libpq</application>
+   internally, all <application>libpq</application> environment variables are
+   also honored by <application>psql</application>.  For a complete list of those
+   variables, see <xref linkend="libpq-envars">.
+  </para>
+
  </refsect1>
 
 
@@ -270,7 +278,6 @@ PostgreSQL documentation
 
   <simplelist type="inline">
    <member><xref linkend="sql-reindex" endterm="sql-reindex-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>
 

doc/src/sgml/ref/vacuumdb.sgml

 <!--
-$PostgreSQL: pgsql/doc/src/sgml/ref/vacuumdb.sgml,v 1.38 2007/01/31 23:26:04 momjian Exp $
+$PostgreSQL: pgsql/doc/src/sgml/ref/vacuumdb.sgml,v 1.39 2007/02/20 18:10:59 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -235,6 +235,14 @@ PostgreSQL documentation
     </listitem>
    </varlistentry>
   </variablelist>
+
+  <para>
+   Because <application>psql</application> uses <application>libpq</application>
+   internally, all <application>libpq</application> environment variables are
+   also honored by <application>psql</application>.  For a complete list of those
+   variables, see <xref linkend="libpq-envars">.
+  </para>
+
  </refsect1>
 
 
@@ -301,7 +309,6 @@ PostgreSQL documentation
 
   <simplelist type="inline">
    <member><xref linkend="sql-vacuum" endterm="sql-vacuum-title"></member>
-   <member>Environment Variables (<xref linkend="libpq-envars">)</member>
   </simplelist>
  </refsect1>