DOC: changed default caching directory to '[system temp dir]'

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@23014 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Cache-Backends.xml

@@ -36,7 +36,7 @@
                     <row>
                         <entry><emphasis>cache_dir</emphasis></entry>
                         <entry><type>String</type></entry>
-                        <entry>'<filename>/tmp/</filename>'</entry>
+                        <entry>[system temp dir]</entry>
                         <entry>Directory where to store cache files</entry>
                     </row>