doc: Put data types in alphabetical order

From: Andreas Karlsson <andreas@proxel.se>

Author: petere

doc/src/sgml/datatype.sgml

@@ -82,18 +82,18 @@
        <entry>binary data (<quote>byte array</>)</entry>
       </row>
 
-      <row>
-       <entry><type>character varying [ (<replaceable>n</replaceable>) ]</type></entry>
-       <entry><type>varchar [ (<replaceable>n</replaceable>) ]</type></entry>
-       <entry>variable-length character string</entry>
-      </row>
-
       <row>
        <entry><type>character [ (<replaceable>n</replaceable>) ]</type></entry>
        <entry><type>char [ (<replaceable>n</replaceable>) ]</type></entry>
        <entry>fixed-length character string</entry>
       </row>
 
+      <row>
+       <entry><type>character varying [ (<replaceable>n</replaceable>) ]</type></entry>
+       <entry><type>varchar [ (<replaceable>n</replaceable>) ]</type></entry>
+       <entry>variable-length character string</entry>
+      </row>
+
       <row>
        <entry><type>cidr</type></entry>
        <entry></entry>
@@ -136,6 +136,12 @@
        <entry>time span</entry>
       </row>
 
+      <row>
+       <entry><type>json</type></entry>
+       <entry></entry>
+       <entry>JSON data</entry>
+      </row>
+
       <row>
        <entry><type>line</type></entry>
        <entry></entry>
@@ -269,12 +275,6 @@
        <entry></entry>
        <entry>XML data</entry>
       </row>
-
-      <row>
-       <entry><type>json</type></entry>
-       <entry></entry>
-       <entry>JSON data</entry>
-      </row>
      </tbody>
     </tgroup>
    </table>