Adding template fragments or partials for the DTL

[apollo13]

@carltongibson

Looking quickly — I’m no Jinja expert! — Jinja’s macros look a lot like Django’s custom template tags. It looks like a big scope jump from what I’m initially suggesting here. (I’m not proposing to eliminate the need for the current includes, or writing your own template tags, or blocks, which are for inheritance as I see it.)

I don’t think they look like inclusion tags or custom tags, they feel more like your partials. Ie compare:

{% macro foo() %}CHILD{% endmacro %}
{% block body %}{{ foo() }}{% endblock %}

with

{% startpartial "foo" %}CHILD{% endpartial %}
{% block body %}{% partial "foo" %}}{% endblock %}

These two would to the best of my knowledge have the same outcome. That is what I meant when I suggested to look into macros to see if they provided some further functionality that might make sense for partials (ie would it make sense to support {% partial "foo" key=value %} to customize the context?).