Update pg_controldata.sgml

ref/pg_controldata.sgml调整内容191215

row6————————————————
	根据WinMerge比较结果，将
		"<refentry id="APP-PGCONTROLDATA">"
		调整为小写
		"<refentry id="app-pgcontroldata">"

row45————————————————
	根据WinMerge比较结果，将
   		"<arg choice="opt"><arg choice="opt"><option>-D</option></arg> <replaceable class="parameter">datadir</replaceable></arg>”
		调整为新内容
		"<group choice="opt">
		  <group choice="opt">
		  <arg choice="plain"><option>--pgdata</option></arg>
		  <arg choice="plain"><option>-D</option></arg>
		  </group>
 		  <replaceable class="parameter"> datadir</replaceable>
		  </group>"
row57
	根据row45英文内容更新，将
   		"<arg choice="opt"><arg choice="opt"><option>-D</option></arg> <replaceable class="parameter">datadir</replaceable></arg>”
		调整为新内容
		"<group choice="opt">
		  <group choice="opt">
		  <arg choice="plain"><option>--pgdata</option></arg>
		  <arg choice="plain"><option>-D</option></arg>
		  </group>
 		  <replaceable class="parameter"> datadir</replaceable>
		  </group>"

row67————————————————
	根据WinMerge比较结果，将
		"<refsect1 id="R1-APP-PGCONTROLDATA-1">"
		调整为小写
		" <refsect1 id="r1-app-pgcontroldata-1">"

其他更新
	将英文原文中的</>补充相应tag

Author: chegong18

postgresql/doc/src/sgml/ref/pg_controldata.sgml

@@ -3,7 +3,7 @@ doc/src/sgml/ref/pg_controldata.sgml
 PostgreSQL documentation
 -->
 
-<refentry id="APP-PGCONTROLDATA">
+<refentry id="app-pgcontroldata">
 <!--==========================orignal english content==========================
  <indexterm zone="app-pgcontroldata">
   <primary>pg_controldata</primary>
@@ -42,25 +42,37 @@ ____________________________________________________________________________-->
   <cmdsynopsis>
    <command>pg_controldata</command>
    <arg choice="opt"><replaceable class="parameter">option</replaceable></arg>
-   <arg choice="opt"><arg choice="opt"><option>-D</option></arg> <replaceable class="parameter">datadir</replaceable></arg>
+   <group choice="opt">
+   <group choice="opt">
+   <arg choice="plain"><option>--pgdata</option></arg>
+   <arg choice="plain"><option>-D</option></arg>
+   </group>
+   <replaceable class="parameter"> datadir</replaceable>
+   </group>
   </cmdsynopsis>
 ____________________________________________________________________________-->
   <cmdsynopsis>
    <command>pg_controldata</command>
    <arg choice="opt"><replaceable class="parameter">option</replaceable></arg>
-   <arg choice="opt"><arg choice="opt"><option>-D</option></arg> <replaceable class="parameter">datadir</replaceable></arg>
+   <group choice="opt">
+   <group choice="opt">
+   <arg choice="plain"><option>--pgdata</option></arg>
+   <arg choice="plain"><option>-D</option></arg>
+   </group>
+   <replaceable class="parameter"> datadir</replaceable>
+   </group>
   </cmdsynopsis>
  </refsynopsisdiv>
 
- <refsect1 id="R1-APP-PGCONTROLDATA-1">
+ <refsect1 id="r1-app-pgcontroldata-1">
 <!--==========================orignal english content==========================
   <title>Description</title>
 ____________________________________________________________________________-->
   <title>描述</title>
 <!--==========================orignal english content==========================
   <para>
    <command>pg_controldata</command> prints information initialized during
-   <command>initdb</>, such as the catalog version.
+   <command>initdb</command>, such as the catalog version.
    It also shows information about write-ahead logging and checkpoint
    processing.  This information is cluster-wide, and not specific to any one
    database.
@@ -75,10 +87,10 @@ ____________________________________________________________________________-->
    This utility can only be run by the user who initialized the cluster because
    it requires read access to the data directory.
    You can specify the data directory on the command line, or use
-   the environment variable <envar>PGDATA</>.  This utility supports the options
-   <option>-V</> and <option>-&minus;version</>, which print the
+   the environment variable <envar>PGDATA</envar>.  This utility supports the options
+   <option>-V</option> and <option>-&minus;version</option>, which print the
    <application>pg_controldata</application> version and exit.  It also
-   supports options <option>-?</> and <option>-&minus;help</>, which output the
+   supports options <option>-?</option> and <option>-&minus;help</option>, which output the
    supported arguments.
   </para>
 ____________________________________________________________________________-->