From: Rob Biedenharn <Rob@...>
Date: 2008-10-01T13:29:10+09:00
Subject: Re: JSON.parse and unicode escape?

That's not valid Unicode.  See:
http://www.unicode.org/charts/PDF/UDC00.pdf

You can only have that code point in UTF-16

-Rob

On Oct 1, 2008, at 12:18 AM, pwever wrote:

> I am running into what seems to be a related problem with the
> following code:
>
> irb
>>> require 'json'
> => true
>>> JSON.parse('{"s":"\uddb0"}')
> JSON::ParserError: source sequence is illegal/malformed near uddb0"}
> 	from /Library/Ruby/Gems/1.8/gems/json-1.1.3/lib/json/common.rb:122:in
> `parse'
> 	from /Library/Ruby/Gems/1.8/gems/json-1.1.3/lib/json/common.rb:122:in
> `parse'
> 	from (irb):2
> 	from :0
>>>
>
> I don't know enough about unicode to really understand what is being
> escaped here, but the following unicode characters, very close in
> range (I assume) do not throw an error:
> "\ucdb0", "\uedb0", "\ud7b0"
>
> I also validated the JSON string ('{"s":"\uddb0"}') successfully at
> http://www.jsonlint.com/ and in Python.
>
> Any ideas of what might be the problem?
> Are there any alternative JSON parsers for ruby?
>
> Thank you very much // pascal
>
>