Re: [whatwg/dom] compareDocumentPosition with Attr nodes still not quite right (#309)

https://software.hixie.ch/utilities/js/live-dom-viewer/saved/4411 illustrates the case I was thinking of, not sure if there are other variations.

As currently written, things first go wrong at step 6, where *node1* and *node2* may both be attributes in the same document (although as defined they don't have a root), but still the pointer compare happens. Test: https://software.hixie.ch/utilities/js/live-dom-viewer/saved/4412

With step 6 fixed somehow, yes, some tweaks to step 7 and 8 ought to do it. I'm not sure exactly what you had in mind, but it'd have to be such that an attribute is still considered contained by its element:
https://software.hixie.ch/utilities/js/live-dom-viewer/saved/4413

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