This is an archived snapshot of W3C's public bugzilla bug tracker, decommissioned in April 2019. Please see the home page for more details.
In 4.2.14. "double" and 4.2.15. "unrestricted double", step 3 says: Return the IDL ... value that has the same numeric value as x. Change "has" to "represents".
Tentative fix: https://github.com/heycam/webidl/pull/388
Fixed in https://github.com/heycam/webidl/commit/79cfa44.