// of the current stack frame.
VariableStack vars = xctxt.getVarStack();
int n = xslCallTemplateElement.getParamElemCount();
int paramDeclareContext = vars.getSearchStartOrTop();
vars.pushContextMarker();
int paramReferenceContext = -1;
for (int i = 0; i < n; i++)
{
vars.setSearchStart(paramDeclareContext);