[css-position] Sticky positioning table elements

I was looking as some polyfills for position: sticky, and I noticed one 
of the newest[1] recently backed out support for sticky table elements 
with the explanation that " Spec says table cells are not eligible for 
position: sticky"[2]. That didn't seem right, but the spec text does 
read as follows:

" The effect of 'position: sticky' on table elements is the same as for 
'position: relative'"[3]

Now, I can't believe this is intended to mean that sticky positioning 
should replicate the behaviour of relative positioning when applied to 
table elements. I presume it's referring the applicability of sticky 
behaviour on the different table elements matching that of relative 
positioning, e.g. rows and cells can be stuck, but columns can't. But I 
can see why people would read it the other way.

If sticky positioning *is* intended to work for table elements, could 
the spec text be updated to make that clear? Or at least, could I get a 
confirmation on this list from the editors that that is the intention, 
which I can point the author of the polyfill to?

If sticky positioning *isn't" intended to work for table elements, 
well... I shouldn't need to point out how utterly *insane* that would 
be. But I can't believe that is the case.

[1] https://github.com/wilddeer/stickyfill
[2] https://github.com/wilddeer/stickyfill/releases/tag/1.1
[3] http://dev.w3.org/csswg/css-position/#position-property

Thanks,
Jon