question: void pushElemTemplateElement ( ElemTemplateElement elem ) { if ( elem . getUid ( ) == - 1 ) elem . setUid ( nextUid ( ) ) ; m_elems . push ( elem ) ; }
target:  Push the current XSLTElementProcessor to the top of the stack.  As a side-effect, set the document order index (simply because this is a convenient place to set it).