Eekle

It just occured to me that this might do exciting things if the ToC is, itself, as tall as the viewport. I don't know if that's a case we care...

> Yes, sticky big TOC can get annoying because one has to scroll to the page end to scroll the TOC. For that reason, I'm undecided whether this change is...

Even as is, I think this is more useful than not? At present, you always have to scroll to the top of the page to get back to the ToC....

> if you add `_Sidebar.md` which has a lot of list elements (a manually kept Index of pages for example), with this change the TOC box starts scrolling "into itself"...

> I think we want to keep them on the left and we should instead make more space in the box instead, e.g. make the wiki content box render with...

Fair enough. I was slightly surprised that the README and Wiki don't use a shared markdown component.

@delvh All the bits of logging here are debugging hangovers, they won't be present in the finished PR :) Thank you for the notes! I'll go through it all today.

> Could you give some screenshots about the UI design? I think we need some discuss there.  I tried cards above the search bar, but couldn't get it to...

 Moved to a card approach. I know it's not elegant yet but just as a centre for discussion.

 Latest UI grab