add color to list of val types which can be arrays in func-ref

Author: michaelbabyn

_includes/reference-block.html

@@ -54,6 +54,8 @@
                         {% endif %}
                     {% elsif obj[1].valType == "info_array" %}
                         (<code>{array}</code>)
+                    {% elsif obj[1].valType == "color" %}
+                        (<code>{{ obj[1].valType }}{% if obj[1].arrayOk %} or array of {{ obj[1].valType }}s{% endif %}</code>)
                     {% elsif obj[1].valType == "any" %}
                         (<code>number or categorical coordinate string</code>)
                     {% elsif obj[1].valType == "string" %}