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Hi Joey,

What do you think about CSS classes for links to display link with icon?
You probably know that there are wikis with that feature, for example
Moin Moin.

Here is a piece of `common.css` file grabbed from <http://wiki.openwrt.org>
site which is powered by Moin Moin wiki:

    a.www:before {content: url(../img/moin-www.png); margin: 0 0.2em;}
    a.http:before {content: url(../img/moin-www.png); margin: 0 0.2em;}
    a.https:before {content: url(../img/moin-www.png); margin: 0 0.2em;}
    a.file:before {content: url(../img/moin-ftp.png); margin: 0 0.2em;}
    a.ftp:before {content: url(../img/moin-ftp.png); margin: 0 0.2em;}
    a.nntp:before {content: url(../img/moin-news.png); margin: 0 0.2em;}
    a.news:before {content: url(../img/moin-news.png); margin: 0 0.2em;}
    a.telnet:before {content: url(../img/moin-telnet.png); margin: 0 0.2em;}
    a.irc:before {content: url(../img/moin-telnet.png); margin: 0 0.2em;}
    a.mailto:before {content: url(../img/moin-email.png); margin: 0 0.2em;}
    a.attachment:before {content: url(../img/moin-attach.png); margin: 0 0.2em;}
    a.badinterwiki:before {content: url(../img/moin-inter.png); margin: 0 0.2em;}
    a.interwiki:before {content: url(../img/moin-inter.png); margin: 0 0.2em;}

You can see that they use a lot of CSS classes for links, but only one CSS class
for external links is enough for me :) Please look at my example:

    \[[Foo]]                    -> <a href="http://www.mywiki.org/foo.html">Foo</a>
    \[[Bar|foo/bar]]            -> <a href="http://www.mywiki.org/foo/bar.html">Bar</a>
    <http://www.gnu.org/>      -> <a class="external" href="http://www.gnu.org/">http://www.gnu.org/</a>
    [GNU](http://www.gnu.org/) -> <a class="external" href="http://www.gnu.org/">GNU</a>
    [RMS](mailto:rms@gnu.org)  -> <a href="mailto:rms@gnu.org">RMS</a>

My best regards,

--[[Paweł|ptecza]]

> If you did not already know, you can achieve similar results using CSS3
> selectors.  Eg: `a[href="http://www.foobar.com/"] { foobar: css }` or
> `a[title~="Mail"] {text-decoration: none; }`.  See
> <http://www.w3.org/TR/2001/CR-css3-selectors-20011113/> for a complete list.

>> Hi Charles,
>>
>> Thanks for the hint! I don't know CSS3 yet :) What modern and popular
>> WWW browsers do support it now?

> If you need to achieve this in IkiWiki itself, I imagine you could create a
> plugin which runs in the `format` phase of rendering and search/replaces
> specific link patterns.  This should be a fairly simple exercise in regular
> expressions.
>
> --CharlesMauch

>> I've never written plugin for ikiwiki, but I can try if it's simple job :)
>>
>> --[[Paweł|ptecza]]