Author: Urs Format: MarkdownItexadded an Idea-section, and some pointers
<a href="https://ncatlab.org/nlab/revision/diff/deck+transformation/4">diff</a>, <a href="https://ncatlab.org/nlab/revision/deck+transformation/4">v4</a>, <a href="https://ncatlab.org/nlab/show/deck+transformation">current</a>