注释中的--改成--，解决编译错误

Author: ChenHuajun

postgresql/doc/src/sgml/ref/createuser.sgml

@@ -705,7 +705,7 @@ PostgreSQL documentation
 <!-- 
     In the above example, the new password isn't actually echoed when typed,
     but we show what was typed for clarity.  As you see, the password is
-    encrypted before it is sent to the client.  If the option <option>--unencrypted</option>
+    encrypted before it is sent to the client.  If the option <option>&#045;-unencrypted</option>
     is used, the password <emphasis>will</> appear in the echoed command
     (and possibly also in the server log and elsewhere),
     so you don't want to use <option>-e</> in that case, if

postgresql/doc/src/sgml/ref/initdb.sgml

@@ -141,7 +141,7 @@ PostgreSQL documentation
 <!-- 
   <para>
    To alter the default collation order or character set classes, use the
-   <option>--lc-collate</option> and <option>--lc-ctype</option> options.
+   <option>&#045;-lc-collate</option> and <option>&#045;-lc-ctype</option> options.
    Collation orders other than <literal>C</> or <literal>POSIX</> also have
    a performance penalty.  For these reasons it is important to choose the
    right locale when running <command>initdb</command>.
@@ -157,7 +157,7 @@ PostgreSQL documentation
 <!-- 
   <para>
    The remaining locale categories can be changed later when the server
-   is started.  You can also use <option>--locale</option> to set the
+   is started.  You can also use <option>&#045;-locale</option> to set the
    default for all locale categories, including collation order and
    character set classes. All server locale values (<literal>lc_*</>) can
    be displayed via <command>SHOW ALL</>.
@@ -174,7 +174,7 @@ PostgreSQL documentation
 
 <!-- 
   <para>
-   To alter the default encoding, use the <option>--encoding</option>.
+   To alter the default encoding, use the <option>&#045;-encoding</option>.
    More details can be found in <xref linkend="multibyte">.
   </para>
 -->
@@ -347,7 +347,7 @@ PostgreSQL documentation
       <listitem>
 <!-- 
        <para>
-        Like <option>--locale</option>, but only sets the locale in
+        Like <option>&#045;-locale</option>, but only sets the locale in
         the specified category.
        </para>
 -->
@@ -362,7 +362,7 @@ PostgreSQL documentation
       <listitem>
 <!-- 
        <para>
-        Equivalent to <option>--locale=C</option>.
+        Equivalent to <option>&#045;-locale=C</option>.
        </para>
 -->
       <para>