forEachBegin
Syntax:
forEachBegin="${an-EL-expr}"
It is used with the forEach attribute to specify the index (starting
from 0) that the iteration should begin at. If not specified, the
iteration begins at the first element, i.e., 0 is assumed.
If forEachBegin is greater than or equals to the number of elements,
no iteration is performed.
Note: forEachStatus.index always starts from 0, no matter what
forEachBegin is.
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