[ruby/json] Raise a ParserError on all incomplete unicode escape sequence.
This was the behavior until 2.10.0 unadvertently changed it.
2.10.0
"\u1" would raise, but "\u1zzz" wouldn't.
"\u1"
"\u1zzz"
https://github.com/ruby/json/commit/7d0637b9e6
Added by
[ruby/json] Raise a ParserError on all incomplete unicode escape sequence.
This was the behavior until
2.10.0unadvertently changed it."\u1"would raise, but"\u1zzz"wouldn't.https://github.com/ruby/json/commit/7d0637b9e6