[uf-discuss] Proposal for MD5/SHA-1 hash microformat

Charles Iliya Krempeaux supercanadian at gmail.com
Wed Feb 15 16:55:01 PST 2006

Hello Anthony,

Sorry for the really late reply.  (Been really busy.  But anways....)

On 2/1/06, anthony l. bryan <albryan at comcast.net> wrote:
> Thanks again for the reply.
> I had read your example before, I think I'm on the same page, I just
> thought
> you meant something like CSS that I understand in general but not
> specifically. But I get that we're marking what information is what and
> want
> it human readable...I just wasn't thinking it through enough when I made
> my
> first post.
> I added your example to http://microformats.org/wiki/hash-examples . Is
> that
> ok? Do I need to cite you? I did in the history but not on the actual
> page,
> since it doesn't seem like other pages do.
> Do you think a microformat for this is worth pursuing? Are you interested
> in
> working on it? It seems super simple, like its almost done.

In fact, I do think it is worth pursuing.  And can be useful in alot of
other situations (beyond just this one).

For example, with RSS and Atom feeds, we have something called an
"enclosure".  With an "enclosure" you are being told that this file (that
the enclosure points to) is "attached" to this item.  (And that you might
want to go and download it.)

Now, having checksum information (like a MD5 checksum) could be very useful
for this.  Especially in the context of hAtom -- the Microformat variation
of Atom.  And the rel-enclosure Microformat.

So, if we combined the two -- combined this semantic HTML for "downloading"
and rel-enclosure -- then we might get something like this:

    <span class="download">
       <a rel="bookmark enclosure" href="...">Download OOo</a>
       <span class="checksum md5">e0d123e5f316bef78bfdf5a008837577</span>

And this becomes even more powerfull.

Note that I've added "enclosure" to the "rel" attribute of the <a> element.
This could be used in other Microformats and semantic HTML too.

See ya

    Charles Iliya Krempeaux, B.Sc.

    charles @ reptile.ca
    supercanadian @ gmail.com

    developer weblog: http://ChangeLog.ca/
Make Television                                http://maketelevision.com/
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