Re: [SMARTY-DEV] "nofollow" modifier to prevent comment spam

Hi,

the nofollow-tag fights the symptoms of comment-spam, instead of
fighting the source. the nofollow-tag also prevents good links from
honest comments to be rewarded with being indexed and ranked by the
search engines.

i'd take this nofollow-thing with a grain of salt.

greetings
messju

On Wed, Feb 02, 2005 at 01:33:30PM +0100, Arjan Scherpenisse wrote:
> Hi list,
> 
> I have created a tiny plugin which adds a rel="nofollow" attribute to 
> all <a> tags, to prevent comment spam on web logs [1].
> Although fairly trivial, I think this would be a nice addition to 
> smarty, to broaden the support for this kind of tag.
> 
> One minor caveat: the regular expression currently does not check 
> whether the <a> tag really is a link (e.g. if the href attribute is 
> set), so <a name="xx"> also get a nofollow attribute. Maybe someone with 
> more regex skills could help me out here.
> 
> The source file is attached.
> 
> Regards,
> Arjan Scherpenisse
> 
> [1] http://www.google.com/googleblog/2005/01/preventing-comment-spam.html
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