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##  See also

  * [ Polyfill of ` String.prototype.toWellFormed ` in ` core-js ` ](https://github.com/zloirock/core-js#well-formed-unicode-strings)
  * [ ` String.prototype.isWellFormed() ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/isWellFormed)
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