Is there any way to specify a suggested filename when using data: URI?

Question

If for example you follow the link:

data:application/octet-stream;base64,SGVsbG8=

The browser will prompt you to download a file consisting of t

Answer 1

According to RFC 2397, no, there isn't.

Nor does there appear to be any attribute of the element that you can use either.

However HTML5 has subsequently introduced the download attribute on the element, although at the time of writing support is not universal (no MSIE support, for example)