Tor Andersson 832e069049 Support 4-byte UTF-8 sequences. ...

The following functions are no longer restricted to 16-bit integer values:

	String.fromCharCode()
	String.prototype.charCodeAt()

repr() will not escape SMP characters, as doing so would require conversion to
surrogate pairs, but will encode these characters as UTF-8. Unicode characters
in the BMP will still be escaped with \uXXXX as before.

JSON.stringify() only escapes control characters, so will represent all non-ASCII
characters as UTF-8.

We do no automatic conversions to/from surrogate pairs. Code that worked with
surrogate pairs should not be affected by these changes.

2020-05-27 12:32:32 +02:00

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