[m-rev.] diff: add guid and link elements to rss feed

[Ian MacLarty]

Estimated hours taken: 1
Branches: main

include/functions.inc:
	Add <guid> and <link> elements to rss items.  The <link> elements are
	required for the items to show up in firefox's "live bookmarks" and
	the <guid> elements are recommended by the w3c rss validator (although
	they aren't required).

	Note the use of the md5 function which requires php version 4 or
	greater.

Index: include/functions.inc
===================================================================
RCS file: /home/mercury1/repository/w3/include/functions.inc,v
retrieving revision 1.5
diff -u -r1.5 functions.inc
--- include/functions.inc	12 Feb 2009 00:24:44 -0000	1.5
+++ include/functions.inc	29 Jul 2009 01:29:18 -0000
@@ -25,9 +25,12 @@
 	$news = htmlspecialchars($news);
 
 	echo "<item>\n";
+	echo "<guid>http://www.mercury.csse.unimelb.edu.au/rss.xml#".
+		md5($item.$date)."</guid>\n";
 	echo "<title>$title</title>\n";
 	echo "<description>$news</description>\n";
 	echo "<pubDate>$day $month $year 00:00 +1000</pubDate>\n";
+	echo "<link>http://www.mercury.csse.unimelb.edu.au/</link>\n";
 	echo "</item>\n";
 }
 
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