[dom] Let DOMTokenList's add() return false when there are no supported tokens (#112)

Fixes https://github.com/whatwg/dom/issues/111
You can view, comment on, or merge this pull request online at:

  https://github.com/whatwg/dom/pull/112

-- Commit Summary --

  * Let DOMTokenList's add() return false when there are no supported tokens

-- File Changes --

    M dom.bs (2)

-- Patch Links --

https://github.com/whatwg/dom/pull/112.patch
https://github.com/whatwg/dom/pull/112.diff

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Reply to this email directly or view it on GitHub:
https://github.com/whatwg/dom/pull/112