[whatwg] checksum attribute in a href tag

[A. Rauschenbach]

Hello,

I'm sick of coping the checksum of important files by hand or QR-code 
to the download manager or console.

To solve the problem I suggest a checksum attribute in the <a href> 
tag.

example: <a href="http://example.com/important.file" 
checksum="MD5:32c3675211199b671fbca1304d819289;SHA1:6e1ddeede3979c953788a3499616af35ee5fd772">download</a>

Another advantage is that your visitors (browser) can verify that the 
document (e.g. a pdf) you linked to is still the same.

- A. Rauschenbach