1 add style to list separator, so one could write to userstyle.css:
3 table.dataplugin_table span.sep {
8 and have list items listed below each other
10 --- dokuwiki-plugin-data-20160311/helper.php~ 2016-07-01 14:27:21.000000000 +0300
11 +++ dokuwiki-plugin-data-20160311/helper.php 2016-11-22 23:05:37.213943088 +0200
16 - return join(', ', $outs);
17 + return join('<span class="sep">, </span>',$outs);