[whatwg] HTML Editing Commands spec minor clarifications

[Aryeh Gregor]

On Fri, May 13, 2011 at 3:00 PM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
> As long as your spec doesn't forbid multi-range selections, that's fine.

I intend to make them optional, until such point as everyone decides
they want to implement them.  Currently they're officially required,
but that just means that non-Gecko UAs do magical nonstandard stuff
when you do addRange() and there's already a range.