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Subsume JSON strings (Stage 4) #43

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hzoo opened this issue May 22, 2018 · 0 comments

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Proposal Issue Transform: Done

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hzoo commented May 22, 2018 •

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By @gibson042, champion: @mathiasbynens

Presented as Stage 1 at Sept 2017
Moved to Stage 2 at Nov 2017
Moved to Stage 3 at Jan 2018
Moved to Stage 4 at May 2018

Spec repo: https://github.com/tc39/proposal-json-superset

ECMAScript claims JSON as a subset in JSON.parse, but (as has been well-documented) that is not true because JSON strings can contain unescaped U+2028 LINE SEPARATOR and U+2029 PARAGRAPH SEPARATOR characters while ECMAScript strings cannot.

-[x] Babel PR by @jridgewell: babel/babel#7985

hzoo added Proposal Issue Transform: Done labels

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