Positive infinity with an explicit plus is not parsed correctly #63
Description
>>> import json5 # v0.9.11
>>> json5.loads('Infinity') # Correct.
inf
>>> json5.loads('-Infinity') # Correct.
-inf
>>> json5.loads('+123.456') # Correct.
123.456
>>> json5.loads('+Infinity') # Non-spec behavior, incorrect; expected inf.
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "~/.local/lib/python3.10/site-packages/json5/lib.py", line 81, in loads
raise ValueError(err)
ValueError: <string>:1 Unexpected "I" at column 2
<string>:1 Unexpected "I" at column 2