Test

stuff with *mark* **down** in `summary` doesn't work any more, use HTML italics and bold instead in <summary> (click to expand)

formatted heading with a

code block

nested stuff (click to expand)

A bit more than normal indentation is necessary to get the nesting correct,

1. list
2. with
   1. nested
   2. items

      // including code

   3. blocks
3. and continued non-nested