Date: Sat, 24 Jan 2009 20:18:24 +0100
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~LinkIcons are an optional new feature of ~PhpWiki. When activated,
icons will be displayed in front of URLs to indicate the type of link.

* [themes/default/images/http.png]
  http link
* [themes/default/images/url.png]
  generic internet link
* [themes/default/images/interwiki.png]
  InterWiki link
* [themes/default/images/https.png]
  https link
* [themes/default/images/mailto.png]
  mailto link
* [themes/default/images/ftp.png]
  ftp link

__Note__: Some of the default icons use the alpha channel feature of
the [PNG | http://www.libpng.org/pub/png/png-sitemap.html] image format
for smooth rendering on any page color or textured background. Older
browsers may not display all the images properly.

== Examples

The following examples will display with the above link icons only if
the administrator has enabled this feature.

=== InterWiki links

* ~InterWiki link PhpWiki:InterWiki
* A named ~InterWiki [read WhyWikiWorks at c2|Wiki:WhyWikiWorks].

===URLs

* Email address [PhpWiki-talk mailing list|mailto:phpwiki-talk@lists.sourceforge.net]
* Normal http link [PhpWiki's Home Page|http://phpwiki.sourceforge.net/phpwiki/]
* Secure http link [PhpWiki's Home Page|https://phpwiki.sourceforge.net/phpwiki/]
* File transfer ftp://ftp.sourceforge.net/

''A generic icon is shown for other less common link types.''

* news://nntp.news.com
* gopher://gopher.caltech.cmu.edu

~LinkIcons will only display when the URL protocol is one which ~PhpWiki
is allowed to link to. The following examples won't show any icons and
~PhpWiki won't automatically provide double-clickable links either,
unless the administrator adds them:

* bogus://oedipus.nostradamus.com
* bolo://lgm.cheshire.org

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