Hi all, I have some problems understanding the correct behavior of the variables --toc and --table-of-contents. As per this commit[1] I would expect that I could enable the generation of the table of contents by simply inserting `toc: true` in my YAML metadata block; the table of contents should then appear in my template when invoked by `$table-of-contents$`. Is it correct or did I misunderstood something? If that is the desired behavior, than I think there could be a bug: with `toc: true` specified in my example.md, the following command will produce an HTML file with an empty