c60c64dd_SF_2_0_Core_Impl____c_forEach___Description
[Name] begin [Type] int [Required] false [Description] 
If items specified: Iteration begins at the item located at the specified index. First item of the collection has index 0. If items not specified: Iteration begins with index set at the value specified.
Apache MyFaces JSF-2.0 Core Impl - <c:forEach>