How to add proper indentation level when using a partial ?

[PsyCowpathe]

Hi, I can't find a solution to my problem so I need your help.

/!\ I dont know why but github mess up with all the code snippet, so i put pastebin link instead, i hope its fine

I use Handlebars.net to generate XML files.

Everything works fine, except when I use a partial --> Here

The Helper withExtractPostalAddress who is called in the partial --> Here

This partial is called in my .handlebar like this --> Here

And is initialized like this -> Here

The problem is that on output I end up with this --> Here

As you can see the indent level for everything in 'cac:PostalAddress' is incorrect.
Do you have any idea what I'm doing wrong?

Thanks in advance for your help !