xsl/portal2items: uniq wiki tiles

xsl/portal2items.xsl

@@ -61,12 +61,23 @@
 </xsl:template>
 
 <xsl:template match="atom:entry" mode="wiki">
-  <item date="{atom:updated}" class="wiki">
-    <header>C3D2 Wiki</header>
-    <footer>by <xsl:value-of select="atom:author/atom:name"/></footer>
-    <content-text><xsl:value-of select="atom:title"/></content-text>
-    <link><xsl:value-of select="atom:link[@rel='alternate'][1]/@href"/></link>
-  </item>
+  <xsl:variable name="title" select="atom:title"/>
+  <!-- Don't repeat any titles -->
+  <xsl:if test="not(preceding-sibling::atom:entry/atom:title = $title)">
+    <item date="{atom:updated}" class="wiki">
+      <header>C3D2 Wiki</header>
+      <footer>
+	<xsl:text>by </xsl:text>
+	<xsl:value-of select="atom:author/atom:name"/>
+	<xsl:for-each select="following-sibling::atom:entry[atom:title = $title]/atom:author/atom:name">
+	  <xsl:text>, </xsl:text>
+	  <xsl:value-of select="normalize-space(.)"/>
+	</xsl:for-each>
+      </footer>
+      <content-text><xsl:value-of select="atom:title"/></content-text>
+      <link><xsl:value-of select="atom:link[@rel='alternate'][1]/@href"/></link>
+    </item>
+  </xsl:if>
 </xsl:template>
 
 <xsl:template match="item" mode="news">

xsl/xhtml5.xsl

@@ -318,7 +318,6 @@
 	   chaosupdates
 	   pentaradios?
 	   space status
-	   wiki in only 1 tile?
       -->
 
       <!-- All items... -->