Firstly, the preview panel is a wonderful addition to everything!
While PDFs and other preview handlers work in the preview panel, I've found one that, for some reason, does not work. Could you take a look please.
This is a source code preview handler (it's an addon to SmartFTP, before they changed the code to make it necessary to have Smart FTP installed).
Here are Dropbox links to 32 and 64 bit versions:
https://www.dropbox.com/s/z1lv9lrxb5lak ... 9.msi?dl=0
https://www.dropbox.com/s/a7dpqg9m60jal ... 9.msi?dl=0
(For people who have EPUBs, I'll post in another thread about how to view EPUB covers (not the entire book) in the preview panel.)