detecting JS language mode for tools

Brendan Eich brendan at
Sat Jan 25 15:26:49 PST 2014

David Sheets wrote:
>> . Old browsers ignore the new attribute will process the content, which
>> >  could be written to work "both ways".
> Is a new attribute necessary? What about using @type?

Old browsers will ignore unknown types, losing the two-way fallback option.


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