It says that null must not be passed, but that is false. It should really say something like "A document. null is allowed, but must only be passed when there is no way to obtain a relevant document."
Attachment #664779 - Flags: review?(joe) → review+
Backed out. Relanded in https://hg.mozilla.org/integration/mozilla-inbound/rev/a060cc08dd63.
Status: NEW → RESOLVED
Last Resolved: 7 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla18
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