I can vouch for the legitimacy of what he's saying. There are definitely cases where the only way to make browser download operations (whether it be a file dow

I can vouch for the legitimacy of what he's saying. There are definitely cases where the only way to make browser download operations (whether it be a file download or certain kinds of XHR requests) work right in IE, Chrome, and FireFox is to write a special case for IE or potentially all 3 of them.