Remove case-insensitive matching for radio button group names

Category: DOM
Type: New or changed feature
Status: Deprecated (Chrome 56)
Intent stage: None

Summary

"Compatibility caseless" had been applied to radio button group name matching. The specification was updated so that case-sensitive matching is applied. https://github.com/whatwg/html/commit/6acdb2122298d2bb7bb839c0a61b4e1f9b0f9bc9

Standards & signals

Specification: https://html.spec.whatwg.org/multipage/forms.html#radio-button-group
Firefox: No signal
Safari: Shipped/Shipping
Web developers: No signals
Tracking bug: http://crbug.com/658749

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