Document __jexl function

git-svn-id: https://svn.apache.org/repos/asf/jakarta/jmeter/branches/rel-2-1@410632 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: fc2df41249

xdocs/changes.xml

@@ -107,6 +107,7 @@ sample, and the file name can be included in the sample log file.
 <li>Allow use of htmlparser 1.6</li>
 <li>Bug 39656 - always use SOAP action if it is provided</li>
 <li>Automatically include properties from user.properties file</li>
+<li>Add __jexl() function - evaluates Commons JEXL expressions</li>
 </ul>
 
 <h4>Bug fixes:</h4>

xdocs/usermanual/functions.xml

@@ -73,6 +73,7 @@ Functions that require no parameters can leave off the parentheses, for example
         <li><a href="#__split">split - Split a string into variables</a></li>
         <li><a href="#__XPath">XPath - XPath use an xpath expression</a></li>
         <li><a href="#__time">time - return current time in various formats</a></li>
+        <li><a href="#__jexl">jexl - evaluate a Commons Jexl expression</a></li>
 </ul>
 
 <subsection name="&sect-num;.1 What can functions do" anchor="what_can_do">
@@ -672,6 +673,20 @@ time.YMD=yyMMdd
 </p>
 </component>
 
+<component index="&sect-num;.5.18" name="__jexl">
+<description>
+	<p>The jexl function returns the result of evaluating a 
+	<a href="http://jakarta.apache.org/commons/jexl">Commons JEXL expression</a>.
+	</p>
+	</description>
+
+<properties>
+        <property name="Expression" required="Yes">
+        The expression to be evaluated. 
+        </property>
+</properties>
+</component>
+
 </subsection>
 
 <subsection name="&sect-num;.6 Pre-defined Variables" anchor="predefinedvars">