private boolean isPrivateUse(char c) {
        return (c >= '\uE000') && (c <= '\uF8FF');
    }
Filter carriage returns in the read buffer. CRLF becomes LF; CR becomes
LF.

@param moreData
           true iff more data might come from the same source
@see #readDataChunk
@see #readBuffer
@see #readBufferOverflow
src/nu/validator/gnu/xml/aelfred2/XmlParser.java