On Wed, Nov 19, 2008 at 9:26 AM, Philip Taylor <span dir="ltr"><<a href="mailto:excors%2Bwhatwg@gmail.com">excors+whatwg@gmail.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div class="Ih2E3d">On Wed, Nov 19, 2008 at 2:54 PM, Martin McEvoy <<a href="mailto:martin@weborganics.co.uk">martin@weborganics.co.uk</a>> wrote:<br>
> Philip Taylor wrote:<br>
>><br>
>> rev=stylesheet makes up 57% of those uses of rev,<br>
>><br>
><br>
> How do you get that figure?<br>
><br>
> even if you just compare rev="made"(1157 instances) and rev="stylesheet"(107<br>
> instances) you get 9.25% of the examples use rev incorrectly<br>
<br>
</div>That figure was from the case of<br>
<div class="Ih2E3d"><br>
> "... (excluding rev=made, which is<br>
> uninteresting since it's redundant with rel=author) ...".<br>
<br>
</div>since that appears to be what Hixie meant (but forgot to say) when<br>
claiming that most uses of rev were typos of rel.<br>
<br>
(Case-insensitively, I counted 1259 rev="made", 122 rev="stylesheet",<br>
and 1474 rev="..." in total, which means 215 in total excluding<br>
rev="made", and 122/215=57%.)<br>
<div><div></div><div class="Wj3C7c"><br>
--<br>
Philip Taylor<br>
<a href="mailto:excors@gmail.com">excors@gmail.com</a><br>
</div></div></blockquote></div><br>In addition, a large proportion (looks like a majority, but I haven't explicitly calculated) of the remaining @rev showing up is rev="home", rev="back", rev="toc" etc. which is clearly incorrect. Those people are assuming the @rev is meant to be a "go back" link, rather than just expressing a reverse-semantic version of @rel. (I highly doubt that these are links *from* home pages to inner pages, which would be necessary for the semantics to work correctly.) <br>
<br>There are also a couple (3, it seems) of rev="shortcut icon", which is a similar typo to the rev="stylesheet" one, and several rev="owns" and similar which suffers from the same redundancy as rev="made" (just replace it with rel="owner").<br>
<br>So, by this survey, it looks like there's less than 50 correct and not-obviously-redundant uses of rev out of 127k, which puts it under 0.04%.<br><br>~TJ<br><br><br>