ZF-8964 modificaions to chapter for Zend_Filter_StringTrim per documentation spec. Documentation test is passing.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@22255 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Filter-StringTrim.xml

@@ -27,7 +27,6 @@
         </itemizedlist>
     </sect3>
 
-
     <sect3 id="zend.filter.set.stringtrim.basic">
         <title>Basic usage</title>
 
@@ -48,12 +47,12 @@ print $filter->filter(' This is (my) content: ');
 
     </sect3>
 
-
     <sect3 id="zend.filter.set.stringtrim.types">
         <title>Default behaviour for Zend_Filter_StringTrim</title>
 
         <programlisting language="php"><![CDATA[
-$filter = new Zend_Filter_StringTrim(':'); // or new Zend_Filter_StringTrim(array('charlist' => ':'));
+$filter = new Zend_Filter_StringTrim(':');
+// or new Zend_Filter_StringTrim(array('charlist' => ':'));
 
 print $filter->filter(' This is (my) content:');
 ]]></programlisting>