{%- assign contributors = site.data.CONTRIBUTORS %}
{%- assign allcontrstr = nil %}
{%- assign nr = include.col | default: 5 %}
{%- if include.custom %}
{%- assign allcontrstr = include.custom %}
{%- elsif include.role %}
{%- assign rolefilter =  include.role | downcase %}
{%- for contr in contributors %}
{%- assign contrrole = contr[1]['role'] | downcase %}
{%- if rolefilter == contrrole %}
{%- if allcontrstr %}
{%- assign allcontrstr = allcontrstr | append: ", " | append: contr[0] %}
{%- else %}
{%- assig