Integrate Macrodown

[Ducasse]

The analysis leads to two points.

##Line Breaks
How to support line break without breaking existing documents.

solution

Introduce a new markup (and not double spaces - what a bad design idea) such as <br>
We have to check because GH does not support double spaces but may be it supports <br>
Indeed it does read the text to see that I added a
so I would be in favor of using

Raw Paragraph

I do not really get why <div conflicts with <! environment so this should be invesitagated.

Solution

• either it works and we just have to introduce RawParagraph in the model.
• or we rename <! into something else and use < for top level element for raw paragraph.

[Ducasse]

For now I will package what I did in a separate package and see.

[Ducasse]

Ok I finally got it and double space produces a Go to the next line but within the space.
So we will introduce

[Ducasse]

This is a paragraph <br>
It continues like this. 

This is a paragraph

It continues like this.

[Ducasse]

This is a paragraph ending with a double space character
It continues like this.

[Ducasse]

This is a paragraph ending with a double space character ~~
It continues like this.

[Ducasse]

Done