Assign tidy input and output encoding
Remove XML BOM before purify RSS
Replace character &#8211; before parse RSS
Replace character &#8220; &#8221; before parse RSS
Replace character &#8212; &#8230; before parse RSS
Replace character &#187; before parse RSS
Replace character &#169; before parse RSS
Optimize special character replace code
Replace character &#8216; &#8217; before parse RSS
Replace character &#187; before parse RSS