BUG #8676: Bug Money JSON

The following bug has been logged on the website:

Bug reference:      8676
Logged by:          Anderson Cristian da Silva
Email address:      email@andersonloyola.com.br
PostgreSQL version: 9.3.2
Operating system:   Centos 6.3 (Final)
Description:

Failed to convert money to json EX.:


postgres=# SELECT to_json(a) FROM (VALUES(1000::money)) a(salario);
        to_json
-----------------------
 {"salario":$1,000.00}
(1 row)


postgres=# SELECT to_json(a)->'salario' FROM (VALUES(1000::money))
a(salario);
ERROR:  invalid input syntax for type json
DETAIL:  Token "$" is invalid.
CONTEXT:  JSON data, line 1: {"salario":$...