yaml2text: include command not working within yaml2text block

[ronaldtse]

From glossarist/iev-document#15

A yaml2text block like this

[yaml2text,iev-192.yaml,data]
----
{% for section in data.sections %}
=== {{section[1].title}}

include::terms/concept-{{ section[0] }}-*.adoc[]

{% endfor %}
----

Results in this:

This is a yaml2text bug that needs to be fixed.