I finally got fancy-preview working, and I found the place (around line 97) in the script to add to the list of environments which it catches (to add propositions and so on). But what I can't find ...
I would like to add fancy-preview to a document that I have created. I thought it would be best to get to learn how to use it on a simple example, so I found this TeX.SE question. I then tried to work ...