Wrapped a line around 70 cols, as suggested by Daniel Convissor

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@271826 c90b9560-bf6c-de11-be94-00142212c4b1

reference/json/constants.xml

@@ -1,12 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.7 $ -->
+<!-- $Revision: 1.8 $ -->
 
 <appendix xml:id="json.constants" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  &reftitle.constants;
  &extension.constants;
  <para>
   The following constants indicate the type of error returned by
-  <function>json_last_error</function>. They are all available as of PHP 5.3.0.
+  <function>json_last_error</function>. They are all available as of
+  PHP 5.3.0.
  </para>
  <variablelist>
   <varlistentry>