How would preprocessors be treated in commonmark?

5

Did a bit of research of various template languages. Here is some interesting ones I can find (Or think of):

This hopefully would be a good selection for people trying to find the right preprocessor for whatever it is they are trying to do. I personally am attracted to Gpp, since it looks pretty low fat and there is already a pandoc and gpp wrapper for it in pandoc-gpp

Gpp

<#ifdef HTML>
# Adrix Consulting (2013 - 2043)
- Was good at drawing pictures
- Was good at programming in lua for cats
<#endif>

Server Side Include

<!--#if expr="${lua}" -->
# Adrix Consulting (2013 - 2043)
- Was good at drawing pictures
- Was good at programming in lua for cats
<!--#endif -->

Liquid Template

{% if lua %}
# Adrix Consulting (2013 - 2043)
- Was good at drawing pictures
- Was good at programming in lua for cats
{% endif %}

Box Style Preprocessor (doesn’t exist yet)

!IF lua
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Adrix Consulting (2013 - 2043)
- Was good at drawing pictures
- Was good at programming in Lua for cats
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~