[uf-discuss] What is a defanged-span ?

Thom Shannon thom at ts0.com
Wed Feb 21 09:37:02 PST 2007

I believe it's using a tool that attempts to disable any tags it doesn't 
recognise, possibly something like Anomy Sanitizer. Try using different 
tags, as long as you have the class names you can use any tag, doesnt 
have to be span. See if there are more suitable semantic elements you 
can use, spans and divs should always be a last resort.

Chris Gathercole wrote:
> Hi,
> I've been dabbling with RSS feeds and microformats, embedding a 
> microformat in the item description of an RSS2.0 feed. When the RSS 
> feed is viewed in Bloglines, it displays ok in a web browser but, on 
> close examination of the html, it turns out that all the <span> 
> elements have been renamed as <defanged-span>.
> I've queried Google to try and establish why this is, but all I get is 
> lots of pages which contain defanged-spans in their html, and no 
> explanations.
> Can anyone on this list explain why Bloglines converts <span> to 
> <defanged-span> when displaying rss feeds?
> My best guess is some form of self-defense for Bloglines against nasty 
> rss feeds (though I do not know how it would help), but if so, why 
> don't other rss viewers (such as GoogleReader) do the same thing?
> -Chris
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