2 replaced http://stackoverflow.com/ with https://stackoverflow.com/
source | link
1
source | link

The easiest way is to apply XSLT transformation to it. You can google a bit and find something like: http://stackoverflow.com/questions/1162352/converting-xml-to-escaped-text-in-xslt http://stackoverflow.com/questions/12773334/html-escape-some-xml-tag-using-xslt

Just pick the most appropriate