https://crates.io/crates/xml-rs
http://netvl.github.io/xml-rs/xml/index.html

https://crates.io/crates/xmlhelper
https://docs.rs/xmlhelper

http://netvl.github.io/xml-rs/xml/escape/fn.escape_str_attribute.html
https://github.com/netvl/xml-rs/blob/master/src/escape.rs