Merge pull request #341 from oneofsunshine/master

ref/create_index.sgml, ref/create_language.sgml, ref/create_table.sgml

Author: ChenHuajun

postgresql/doc/src/sgml/jit.sgml

@@ -281,7 +281,7 @@ ____________________________________________________________________________-->
 <screen>
 =# EXPLAIN ANALYZE SELECT SUM(relpages) FROM pg_class;
                                                  QUERY PLAN
--------------------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------&zwsp;------------------------------------------
  Aggregate  (cost=16.27..16.29 rows=1 width=8) (actual time=0.303..0.303 rows=1 loops=1)
    ->  Seq Scan on pg_class  (cost=0.00..15.42 rows=342 width=4) (actual time=0.017..0.111 rows=356 loops=1)
  Planning Time: 0.116 ms
@@ -294,7 +294,7 @@ ____________________________________________________________________________-->
 SET
 =# EXPLAIN ANALYZE SELECT SUM(relpages) FROM pg_class;
                                                  QUERY PLAN
--------------------------------------------------------------------------------------------------------------
+-------------------------------------------------------------------&zwsp;------------------------------------------
  Aggregate  (cost=16.27..16.29 rows=1 width=8) (actual time=6.049..6.049 rows=1 loops=1)
    ->  Seq Scan on pg_class  (cost=0.00..15.42 rows=342 width=4) (actual time=0.019..0.052 rows=356 loops=1)
  Planning Time: 0.133 ms

postgresql/doc/src/sgml/json.sgml

@@ -3,7 +3,7 @@
 <date>2019</date>
 
 <copyright>
- <year>1996-2019</year>
+ <year>1996&ndash;2020</year>
 <!--
  <holder>The PostgreSQL Global Development Group</holder>
 -->
@@ -17,12 +17,12 @@
  <title>版权声明</title>
 
  <para>
-  <productname>PostgreSQL</productname> is Copyright &copy; 1996-2019
+  <productname>PostgreSQL</productname> is Copyright &copy; 1996&ndash;2020
   by the PostgreSQL Global Development Group.
  </para>
 
  <para>
-  <productname>Postgres95</productname> is Copyright &copy; 1994-5
+  <productname>Postgres95</productname> is Copyright &copy; 1994&ndash;5
   by the Regents of the University of California.
  </para>
 

postgresql/doc/src/sgml/legal.sgml

@@ -226,7 +226,7 @@ ____________________________________________________________________________-->
     someone has already done some translation work.  The files are
     named <filename><replaceable>language</replaceable>.po</filename>,
     where <replaceable>language</replaceable> is the
-    <ulink url="http://www.loc.gov/standards/iso639-2/php/English_list.php">
+    <ulink url="https://www.loc.gov/standards/iso639-2/php/English_list.php">
     ISO 639-1 two-letter language code (in lower case)</ulink>, e.g.,
     <filename>fr.po</filename> for French.  If there is really a need
     for more than one translation effort per language then the files
@@ -242,7 +242,7 @@ ____________________________________________________________________________-->
    </para>
 ____________________________________________________________________________-->
    <para>
-    如果已经有某些<filename>.po</filename>文件，那么有些人已经完成了一些翻译工作。这些文件被命名为<filename><replaceable>语言</replaceable>.po</filename>，其中<replaceable>语言</replaceable>是<ulink url="http://www.loc.gov/standards/iso639-2/php/English_list.php">
+    如果已经有某些<filename>.po</filename>文件，那么有些人已经完成了一些翻译工作。这些文件被命名为<filename><replaceable>语言</replaceable>.po</filename>，其中<replaceable>语言</replaceable>是<ulink url="https://www.loc.gov/standards/iso639-2/php/English_list.php">
     ISO 639-1 双字符语言代码（小写形式）</ulink>，例如法语是<filename>fr.po</filename>。如果真的对于一种语言有需要多个翻译任务那么这些文件也可以被命名为<filename><replaceable>语言</replaceable>_<replaceable>区域</replaceable>.po</filename>，其中<replaceable>region</replaceable>是
     <ulink url="https://www.iso.org/iso-3166-country-codes.html">
     ISO 3166-1 双字符国家代码（大写形式）</ulink>，例如巴西的葡萄牙语是<filename>pt_BR.po</filename>。如果你找到了你想要的语言，你就可以开始在那个文件上工作了。

postgresql/doc/src/sgml/nls.sgml

@@ -428,6 +428,19 @@ ____________________________________________________________________________-->
   <para>
    与大多数其他 <productname>PostgreSQL</productname>的实用程序一样，这个实用程序也使用<application>libpq</application> 支持的环境变量 (参见 <xref linkend="libpq-envars"/>)。
   </para>
+<!--==========================orignal english content==========================
+  <para>
+   The environment variable <envar>PG_COLOR</envar> specifies whether to use
+   color in diagnostic messages. Possible values are
+   <literal>always</literal>, <literal>auto</literal> and
+   <literal>never</literal>.
+  </para>
+____________________________________________________________________________-->
+  <para>
+   环境变量<envar>PG_COLOR</envar>指定是否在诊断消息中使用颜色。
+   可能的值是<literal>always</literal>、<literal>auto</literal>和
+   <literal>never</literal>。
+  </para>
  </refsect1>
 
  <refsect1>