Fix ZF-12213: Zend_Validate - Writing Validators - outdated. Patch by Martin Hujer.

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@24845 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Validate-WritingValidators.xml

@@ -72,7 +72,7 @@ class MyValid_Float extends Zend_Validate_Abstract
         $this->_setValue($value);
 
         if (!is_float($value)) {
-            $this->_error();
+            $this->_error(self::FLOAT);
             return false;
         }
 
@@ -86,9 +86,7 @@ class MyValid_Float extends Zend_Validate_Abstract
             the built-in magic parameter, <emphasis>%value%</emphasis>. The call to
             <methodname>_setValue()</methodname> prepares the object to insert the tested value into
             the failure message automatically, should the value fail validation. The call to
-            <methodname>_error()</methodname> tracks a reason for validation failure. Since this
-            class only defines one failure message, it is not necessary to provide
-            <methodname>_error()</methodname> with the name of the failure message template.
+            <methodname>_error()</methodname> tracks a reason for validation failure.
         </para>
     </example>