in quanda.php
$answer .= "<div id='rankingminanswarning{$ia[0]}' style='display: none; color: red' class='errormandatory'>"
.sprintf($clang->ngT("Please rank at least %d item for question \"%s\"","Please rank at least %d items for question \"%s\".",$minansw),$minansw, trim(str_replace(array("\n", "\r"), "", $ia[3])))."</div>";

no french translation for the plural form and an extra ending point?

and idem

                // alert('".sprintf($clang->ngT("Please rank at least %d item for question \"%s\"","Please rank at least %d items for question \"%s\"",$minansw,'js'),$minansw, trim(javascript_escape(str_replace(array("\n", "\r"), "",$ia[3]),true,true)))."');\n";