ansi 16.6.2.0715
<SEARCH-ORDER>
a DUP on the search ORDER - each named vocabulary
replaces the topmost ORDER vocabulary. Using ALSO
will make it fixed to the search-order. (but it is
not nailed in trap-conditions as if using DEFAULT-ORDER )
order: vocn ... voc2 voc1 -- vocn ... voc2 voc1 voc1
reference: p4_also in ../src/search.c:0129, export CO ALSO