Handheld Learning - learning with mobile and ubiquitous technologies

I was wondering if anyone could recommend an xml page editor to run on a pocket pc. I've played around with html editors but I need to save the file in an xml format. Any pointers would be appreciated - otherwise a cunning plan concerning mobile podcasting has been dented  - http://www.mobile-learning.blog-city.com/creating_and_uploading_audio_files_to_a_blog_or_web_space.htm