!! wikitext
{{echo| constructor = |hi}}
!! html/parsoid
-<p about="#mwt1" typeof="mw:Transclusion" data-parsoid='{"pi":[[{"k":"constructor","named":true,"spc":[" "," ",""," "]},{"k":"1"}]]}' data-mw='{"parts":[{"template":{"target":{"wt":"echo","href":"./Template:Echo"},"params":{"1":{"wt":"hi"},"constructor":{"wt":""}},"i":0}}]}'>hi</p>
+<p about="#mwt1" typeof="mw:Transclusion" data-parsoid='{"pi":[[{"k":"constructor","named":true,"spc":[" "," ",""," "]},{"k":"1"}]]}' data-mw='{"parts":[{"template":{"target":{"wt":"echo","href":"./Template:Echo"},"params":{"constructor":{"wt":""},"1":{"wt":"hi"}},"i":0}}]}'>hi</p>
!! end
!! article