Allow empty string object keys in json_object().

Andrew Dunstan <andrew@dunslane.net>

Commit: a61f63df7d19006b36adf7ee402999aa5243097d
Author: Andrew Dunstan <andrew@dunslane.net>
Date: 2014-07-22T15:25:40Z
Releases: 9.4.0
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