I noticed the message from Amit on the manual.
Also a WYSIWYG editor(like the one bundled with WP2.x) will probably mess up your code when you paste it in the editor. So if you are having that issue, then please don't report it as a bug or anything, its not a bug on the part of this plugin.
The plugin works fine for me for all the cases except xml messages.
For example. Let's say that I have an xml message
I take the above code and put it in the WYSIWYG editor of WP2.x and I hit submit. I get the required result on the page.
But let's say that I need to change the tag from "test1" to "test2". Now when I open up the message on WYSIWG editor there is no "test1". If I look at the html code again there is no 'test1'.
I'm just wondering for a large xml files how do rest of the wordpress users go about formatting their code.
As I mentioned everything else works fine. It's just that with xml messages I'm struggling.