Jason Smith

Yeah I've looked at it. Im just busy and this is a big scope increase. I could really use help polishing this up.

functionally collapsible row group headers is just this + row spans which already exist.

That note is pretty straightforward in concept but maybe not clear. If, for example, you have all of row 0 spanned into one giant cell, it is still acceptable for...

Rebase, clean it up, provide a code review :)

Move the story to the correct location now

There is now an `onClick` event in the BaseCellRenderer interface which should suffice for what is being done here.

This is now possible in 6.0.0 with some manual work. However there are more improvements expected.

This is done

A PR would be incredibly welcome.

I'll update my demo if you'll updates yours... *waggles eyebrows*