invalid escape character in extractJSON() output

[JorjMcKie]

If one wants to decode output of TextPage.extractJSON() with Python's standard json module with an instruction like text = json.loads(tp.extractJSON()), the following exception occurs:

File "C:\Python27\lib\json\decoder.py", line 382, in raw_decode
    obj, end = self.scan_once(s, idx)
ValueError: Invalid \escape: line 75 column 58 (char 2440)

The escape character being referred to is ' (i.e. apostrophy). Obviously apostrophies should not be regarded as escape characters.

[JorjMcKie]

Changed fitz.i accordingly