returns the change of the current open element . concode_field_sep OpenElementEvent[] openElements concode_elem_sep int size concode_elem_sep char[] openChanges concode_field_sep boolean okInsert concode_elem_sep boolean isEmpty concode_elem_sep void format concode_elem_sep void clear concode_elem_sep void insert concode_elem_sep void delete concode_elem_sep void push concode_elem_sep OpenElementEvent remove concode_elem_sep void checkRange concode_elem_sep boolean okDelete concode_elem_sep OpenElementEvent pop concode_elem_sep int lastIndexOf concode_elem_sep boolean okFormat concode_elem_sep boolean contains concode_elem_sep OpenElementEvent current concode_elem_sep boolean matchCurrent concode_elem_sep int size concode_elem_sep boolean hasPriorityOver concode_elem_sep OpenElementEvent get concode_elem_sep void ensureCapacity concode_elem_sep int indexOf
char function ( ) { if ( ! isEmpty ( ) ) return this . openChanges [ this . size - 1 ] ; else return ' ' ; }