Allow empty string object keys in json_object().

Andrew Dunstan <andrew@dunslane.net>

Commit: 4ebe3519e1c12fe02f734aa00f824833181840c7
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2014-07-22T15:27:31Z
Releases: 9.5.0
Allow empty string object keys in json_object().

This makes the behaviour consistent with the json parser, other
json-generating functions, and the JSON standards.

Files