Item985: Adding documentation

git-svn-id: http://svn.foswiki.org/trunk/FormPlugin@2367 0b4bb1d4-4e5a-0410-9cc4-b2b747904278

data/System/FormPlugin.txt

@@ -340,6 +340,20 @@ A !FormPlugin form is first processed before it is sent to its action target. Pr
 <div class="foswikiImage"><img src="%ATTACHURLPATH%/form_on_submit_diagram.png" alt="" width='804' height='502' /></div>
 
 
+---+++ Special arguments for controlling the processing
+There are several special arguments which can be used to control the processing of the form data
+| *argument name* | *default* | *meaning* |
+| fp_noredirct | 0 | By setting true (1) here, the FormPlugin is not going to redirect you after failing validations or %BR% even on successful submits. Please read [[Tasks.Item985]] |
+%BR%
+Example: This would force the FormPlugin to skip the redirects
+<verbatim>
+%FORMELEMENT{
+name="fp_noredirct"
+type="hidden"
+default="1"
+}%
+</verbatim>
+
 ---+++ Substitution of field references
 This allows to use entered field values as variables. For example: 
    * A form element has the name "To"