[Python-Dev] Bug in json (the format and the module) (original) (raw)

Jeremy Dunck jdunck at gmail.com
Tue May 17 19:40:04 CEST 2011

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This blog post describes a bug in a common usage pattern of JSON:

http://timelessrepo.com/json-isnt-a-javascript-subset

That is, there are some characters which are legal in JSON serializations, but not in JavaScript strings.

This works OK for JSON parsers, but a common use case of JSON is JSONP, where the result of a request is presumed to be executable javascript: