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A rel="" attribute is desirable for links, for example to
* limit the interest of comment spam with rel="nofollow" for anonymous wiki contributions (see [Google](http://googleblog.blogspot.com/2005/01/preventing-comment-spam.html))
* identify page tags with rel="tag" (see [microformats](http://microformats.org/wiki/rel-tag))
* define a social network with rel="friend co-worker met ..." for contacts (see [XFN](http://www.gmpg.org/xfn/))
* define a license with rel="license" for contacts (see [microformats](http://microformats.org/wiki/rel-license))
This patch adds this possibility to htmllink().
--- IkiWiki.pm.orig 2007-08-04 19:04:36.000000000 +0200
+++ IkiWiki.pm 2007-08-04 19:19:24.000000000 +0200
@@ -517,6 +517,8 @@
$linktext=pagetitle(basename($link));
}
+ my $rel=(defined $opts{rel} ? $rel=" rel=\"".$opts{rel}."\"" : '');
+
return "<span class=\"selflink\">$linktext</span>"
if length $bestlink && $page eq $bestlink;
@@ -546,7 +548,7 @@
$bestlink.="#".$opts{anchor};
}
- return "<a href=\"$bestlink\">$linktext</a>";
+ return "<a href=\"$bestlink\"$rel>$linktext</a>";
} #}}}
sub htmlize ($$$) { #{{{
This one uses it for tags:
<pre>
--- tag.pm.orig 2007-08-04 19:06:15.000000000 +0200
+++ tag.pm 2007-08-04 19:20:47.000000000 +0200
@@ -60,7 +60,8 @@
$template->param(tags => [
map {
- link => htmllink($page, $destpage, tagpage($_))
+ link => htmllink($page, $destpage,
+ tagpage($_), rel => "tag")
}, sort keys %{$tags{$page}}
]) if exists $tags{$page} && %{$tags{$page}} && $template->query(name => "tags");
This can also help for css decoraton. An example of these patches in use: http://poivron.org/~nil/iki/japonesie/horizon_large/
— NicolasLimare
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