Replace single-quotes with double-quotes in a few SGML attributes.

Both are valid SGML, but let's be consistent.

Author: Peter Smith
Discussion: https://www.postgresql.org/message-id/CAHut%2BPtghjg0SBUTv%3D4Bpcy68d1zD3VAnZ3wX1DQSp39XKD9Sw%40mail.gmail.com

doc/src/sgml/libpq.sgml

@@ -1736,8 +1736,8 @@ postgresql://%2Fvar%2Flib%2Fpostgresql/dbname
         revocation list (CRL).  Certificates listed in this file, if it
         exists, will be rejected while attempting to authenticate the
         server's certificate.  If neither
-        <xref linkend='libpq-connect-sslcrl'/> nor
+        <xref linkend="libpq-connect-sslcrl"/> nor
-        <xref linkend='libpq-connect-sslcrldir'/> is set, this setting is
+        <xref linkend="libpq-connect-sslcrldir"/> is set, this setting is
         taken as
         <filename>~/.postgresql/root.crl</filename>.
        </para>

doc/src/sgml/monitoring.sgml

@@ -372,7 +372,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><structname>pg_stat_progress_analyze</structname><indexterm><primary>pg_stat_progress_analyze</primary></indexterm></entry>
       <entry>One row for each backend (including autovacuum worker processes) running
        <command>ANALYZE</command>, showing current progress.
-       See <xref linkend='analyze-progress-reporting'/>.
+       See <xref linkend="analyze-progress-reporting"/>.
       </entry>
      </row>
 
@@ -380,7 +380,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><structname>pg_stat_progress_create_index</structname><indexterm><primary>pg_stat_progress_create_index</primary></indexterm></entry>
       <entry>One row for each backend running <command>CREATE INDEX</command> or <command>REINDEX</command>, showing
       current progress.
-      See <xref linkend='create-index-progress-reporting'/>.
+      See <xref linkend="create-index-progress-reporting"/>.
      </entry>
      </row>
 
@@ -388,7 +388,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><structname>pg_stat_progress_vacuum</structname><indexterm><primary>pg_stat_progress_vacuum</primary></indexterm></entry>
       <entry>One row for each backend (including autovacuum worker processes) running
        <command>VACUUM</command>, showing current progress.
-       See <xref linkend='vacuum-progress-reporting'/>.
+       See <xref linkend="vacuum-progress-reporting"/>.
       </entry>
      </row>
 
@@ -396,7 +396,7 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><structname>pg_stat_progress_cluster</structname><indexterm><primary>pg_stat_progress_cluster</primary></indexterm></entry>
       <entry>One row for each backend running
        <command>CLUSTER</command> or <command>VACUUM FULL</command>, showing current progress.
-       See <xref linkend='cluster-progress-reporting'/>.
+       See <xref linkend="cluster-progress-reporting"/>.
       </entry>
      </row>
 
@@ -404,14 +404,14 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry><structname>pg_stat_progress_basebackup</structname><indexterm><primary>pg_stat_progress_basebackup</primary></indexterm></entry>
       <entry>One row for each WAL sender process streaming a base backup,
        showing current progress.
-       See <xref linkend='basebackup-progress-reporting'/>.
+       See <xref linkend="basebackup-progress-reporting"/>.
       </entry>
      </row>
 
      <row>
       <entry><structname>pg_stat_progress_copy</structname><indexterm><primary>pg_stat_progress_copy</primary></indexterm></entry>
       <entry>One row for each backend running <command>COPY</command>, showing current progress.
-       See <xref linkend='copy-progress-reporting'/>.
+       See <xref linkend="copy-progress-reporting"/>.
       </entry>
      </row>
     </tbody>
@@ -7055,7 +7055,7 @@ FROM pg_stat_get_backend_idset() AS backendid;
    <structname>pg_stat_progress_cluster</structname>
    because both <command>VACUUM FULL</command> and <command>CLUSTER</command>
    rewrite the table, while regular <command>VACUUM</command> only modifies it
-   in place. See <xref linkend='cluster-progress-reporting'/>.
+   in place. See <xref linkend="cluster-progress-reporting"/>.
   </para>
 
   <table id="pg-stat-progress-vacuum-view" xreflabel="pg_stat_progress_vacuum">

doc/src/sgml/ref/create_role.sgml

@@ -123,7 +123,7 @@ in sync when changing the above synopsis!
         These clauses determine whether a role will be permitted to
         create, alter, drop, comment on, and change the security label for
         other roles.
-        See <xref linkend='role-creation' /> for more details about what
+        See <xref linkend="role-creation"/> for more details about what
         capabilities are conferred by this privilege.
         If not specified, <literal>NOCREATEROLE</literal> is the default.
        </para>

doc/src/sgml/ref/createuser.sgml

@@ -48,7 +48,7 @@ PostgreSQL documentation
    Being a superuser implies the ability to bypass all access permission
    checks within the database, so superuser access should not be granted
    lightly. <literal>CREATEROLE</literal> also conveys
-   <link linkend='role-creation'>very extensive privileges</link>.
+   <link linkend="role-creation">very extensive privileges</link>.
   </para>
 
   <para>
@@ -254,7 +254,7 @@ PostgreSQL documentation
         The new user will be allowed to create, alter, drop, comment on,
         change the security label for other roles; that is,
         this user will have <literal>CREATEROLE</literal> privilege.
-        See <xref linkend='role-creation' /> for more details about what
+        See <xref linkend="role-creation"/> for more details about what
         capabilities are conferred by this privilege.
        </para>
       </listitem>

doc/src/sgml/ref/pgbench.sgml

@@ -1167,7 +1167,7 @@ pgbench <optional> <replaceable>options</replaceable> </optional> <replaceable>d
   </para>
 
   <variablelist>
-   <varlistentry id='pgbench-metacommand-gset'>
+   <varlistentry id="pgbench-metacommand-gset">
     <term>
      <literal>\gset [<replaceable>prefix</replaceable>]</literal>
      <literal>\aset [<replaceable>prefix</replaceable>]</literal>
@@ -1237,7 +1237,7 @@ SELECT 4 AS four \; SELECT 5 AS five \aset
     </listitem>
    </varlistentry>
 
-   <varlistentry id='pgbench-metacommand-set'>
+   <varlistentry id="pgbench-metacommand-set">
     <term>
      <literal>\set <replaceable>varname</replaceable> <replaceable>expression</replaceable></literal>
     </term>
@@ -1362,7 +1362,7 @@ SELECT 4 AS four \; SELECT 5 AS five \aset
     </listitem>
    </varlistentry>
 
-   <varlistentry id='pgbench-metacommand-pipeline'>
+   <varlistentry id="pgbench-metacommand-pipeline">
     <term><literal>\startpipeline</literal></term>
     <term><literal>\endpipeline</literal></term>
 

doc/src/sgml/user-manag.sgml

@@ -191,7 +191,7 @@ CREATE USER <replaceable>name</replaceable>;
      </varlistentry>
 
      <varlistentry>
-      <term id='role-creation'>role creation<indexterm><primary>role</primary><secondary>privilege to create</secondary></indexterm></term>
+      <term id="role-creation">role creation<indexterm><primary>role</primary><secondary>privilege to create</secondary></indexterm></term>
       <listitem>
        <para>
         A role must be explicitly given permission to create more roles