Fix alphabetization in catalogs.sgml.

System catalogs and views should be listed alphabetically
in catalog.sgml, but only pg_file_settings view not.

This patch also fixes typos in pg_file_settings comments.

doc/src/sgml/catalogs.sgml

@@ -7624,6 +7624,11 @@
       <entry>open cursors</entry>
      </row>
 
+     <row>
+      <entry><link linkend="view-pg-file-settings"><structname>pg_file_settings</structname></link></entry>
+      <entry>file location of parameter settings</entry>
+     </row>
+
      <row>
       <entry><link linkend="view-pg-group"><structname>pg_group</structname></link></entry>
       <entry>groups of database users</entry>
@@ -7679,11 +7684,6 @@
       <entry>parameter settings</entry>
      </row>
 
-     <row>
-      <entry><link linkend="view-pg-file-settings"><structname>pg_file_settings</structname></link></entry>
-      <entry>file location of parameter settings</entry>
-     </row>
-
      <row>
       <entry><link linkend="view-pg-shadow"><structname>pg_shadow</structname></link></entry>
       <entry>database users</entry>
@@ -7999,6 +7999,79 @@
 
  </sect1>
 
+ <sect1 id="view-pg-file-settings">
+  <title><structname>pg_file_settings</structname></title>
+
+  <indexterm zone="view-pg-file-settings">
+   <primary>pg_file_settings</primary>
+  </indexterm>
+
+  <para>
+   The view <structname>pg_file_settings</structname> provides the file
+   name, line number and value of all parameters which are set through
+   configuration files.
+   In contrast to <structname>pg_settings</structname>, a row is provided for
+   each occurrence of the parameter across all configuration files. This is helpful
+   for discovering why one value may have been used in preference to another
+   when the parameters were loaded.
+  </para>
+
+  <table>
+   <title><structname>pg_file_settings</> Columns</title>
+
+  <tgroup cols="3">
+   <thead>
+    <row>
+     <entry>Name</entry>
+     <entry>Type</entry>
+     <entry>Description</entry>
+    </row>
+   </thead>
+   <tbody>
+    <row>
+     <entry><structfield>sourcefile</structfield></entry>
+     <entry><structfield>text</structfield></entry>
+     <entry>Path to and name of the configration file</entry>
+    </row>
+    <row>
+     <entry><structfield>sourceline</structfield></entry>
+     <entry><structfield>integer</structfield></entry>
+     <entry>
+      Line number within the configuration file where the value was set
+     </entry>
+    </row>
+    <row>
+     <entry><structfield>seqno</structfield></entry>
+     <entry><structfield>integer</structfield></entry>
+     <entry>Order in which the setting was loaded</entry>
+    </row>
+    <row>
+     <entry><structfield>name</structfield></entry>
+     <entry><structfield>text</structfield></entry>
+     <entry>Run-time configuration parameter name</entry>
+    </row>
+    <row>
+     <entry><structfield>setting</structfield></entry>
+     <entry><structfield>text</structfield></entry>
+     <entry>value of the parameter</entry>
+    </row>
+   </tbody>
+  </tgroup>
+ </table>
+
+  <para>
+   See <xref linkend="config-setting"> for more information about the various
+   ways to change these parameters.
+  </para>
+
+  <para>
+   The <structname>pg_file_settings</structname> view cannot be modified
+   directly as it represents information, as read in at server start or
+   reload time, about all parameter settings across all configuration files.
+  </para>
+
+</sect1>
+
  <sect1 id="view-pg-group">
   <title><structname>pg_group</structname></title>
 
@@ -9306,79 +9379,6 @@ SELECT * FROM pg_locks pl LEFT JOIN pg_prepared_xacts ppx
 
  </sect1>
 
- <sect1 id="view-pg-file-settings">
-  <title><structname>pg_file_settings</structname></title>
-
-  <indexterm zone="view-pg-file-settings">
-   <primary>pg_file_settings</primary>
-  </indexterm>
-
-  <para>
-   The view <structname>pg_file_settings</structname> provides the file
-   name, line number and value of all parameters which are set through
-   configuration files.
-   In contrast to <structname>pg_settings</structname>, a row is provided for
-   each occurrence of the parameter across all configuration files. This is helpful
-   for discovering why one value may have been used in preference to another
-   when the parameters were loaded.
-  </para>
-
-  <table>
-   <title><structname>pg_file_settings</> Columns</title>
-
-  <tgroup cols="3">
-   <thead>
-    <row>
-     <entry>Name</entry>
-     <entry>Type</entry>
-     <entry>Description</entry>
-    </row>
-   </thead>
-   <tbody>
-    <row>
-     <entry><structfield>sourcefile</structfield></entry>
-     <entry><structfield>text</structfield></entry>
-     <entry>Path to and name of the configration file</entry>
-    </row>
-    <row>
-     <entry><structfield>sourceline</structfield></entry>
-     <entry><structfield>integer</structfield></entry>
-     <entry>
-      Line number within the configuration file where the value was set
-     </entry>
-    </row>
-    <row>
-     <entry><structfield>seqno</structfield></entry>
-     <entry><structfield>integer</structfield></entry>
-     <entry>Order in which the setting was loaded</entry>
-    </row>
-    <row>
-     <entry><structfield>name</structfield></entry>
-     <entry><structfield>text</structfield></entry>
-     <entry>Run-time configuration parameter name</entry>
-    </row>
-    <row>
-     <entry><structfield>setting</structfield></entry>
-     <entry><structfield>text</structfield></entry>
-     <entry>value of the parameter</entry>
-    </row>
-   </tbody>
-  </tgroup>
- </table>
-
-  <para>
-   See <xref linkend="config-setting"> for more information about the various
-   ways to change these parameters.
-  </para>
-
-  <para>
-   The <structname>pg_file_settings</structname> view cannot be modified
-   directly as it represents information, as read in at server start or
-   reload time, about all parameter settings across all configuration files.
-  </para>
-
-</sect1>
-
  <sect1 id="view-pg-shadow">
   <title><structname>pg_shadow</structname></title>
 

src/backend/utils/misc/guc.c

@@ -8182,7 +8182,7 @@ show_all_settings(PG_FUNCTION_ARGS)
  * show_all_file_settings
  *
  * returns a table of all parameter settings in all configuration files
- * which includes the config file path/name, filename, a sequence number
+ * which includes the config file path/name, the line number, a sequence number
  * indicating when we loaded it, the parameter name, and the value it is
  * set to.
  *
@@ -8208,8 +8208,8 @@ show_all_file_settings(PG_FUNCTION_ARGS)
 		oldcontext = MemoryContextSwitchTo(funcctx->multi_call_memory_ctx);
 
 		/*
-		 * need a tuple descriptor representing NUM_PG_SETTINGS_ATTS columns
-		 * of the appropriate types
+		 * need a tuple descriptor representing NUM_PG_FILE_SETTINGS_ATTS
+		 * columns of the appropriate types
 		 */
 
 		tupdesc = CreateTemplateTupleDesc(NUM_PG_FILE_SETTINGS_ATTS, false);
@@ -8279,7 +8279,6 @@ show_all_file_settings(PG_FUNCTION_ARGS)
 	{
 		SRF_RETURN_DONE(funcctx);
 	}
-
 }
 
 static char *