The XML spec. clearly states that these chars have to be escaped, and FeedWriter does that. But the RSS Best Practices recommends using the hexadecimal character reference:
A publisher should encode "&" and "<" in plain text using hexadecimal character references. When encoding the ">" character, a publisher should use the hexadecimal reference >.
This maximizes the compatibility with clients.
The XML spec. clearly states that these chars have to be escaped, and FeedWriter does that. But the RSS Best Practices recommends using the hexadecimal character reference:
A publisher should encode "&" and "<" in plain text using hexadecimal character references. When encoding the ">" character, a publisher should use the hexadecimal reference >.
This maximizes the compatibility with clients.