{
 aTopic|
 [
 namespace.Description,
 Newline, "----", Newline,
 request.AreDifferencesShown.IfTrue
 {
 MenuItem("Don't highlight differences between this topic and previous version", "Hide Changes", federation.LinkMaker.LinkToTopic(aTopic.Fullname))
 }
 IfFalse
 {
 MenuItem("Show differences between this topic and previous version", "Show Changes", federation.LinkMaker.LinkToTopicWithDiffs(aTopic.Fullname))
 },
 aTopic.Version.IfNull
 {
 MenuItem("Edit this topic", "Edit", federation.LinkMaker.LinkToEditTopic(aTopic.Fullname))
 }
 Else
 {
 ""
 },
 MenuItem("Show printable view of this topic", "Print", federation.LinkMaker.LinkToPrintView(aTopic.Fullname)),
 MenuItem("Show recently changed topics", "Recent Changes", federation.LinkMaker.LinkToRecentChanges(aTopic.Namespace.Name)),
 MenuItem("Show RRS feeds to keep up-to-date", "Subscriptions", federation.LinkMaker.LinkToSubscriptions(aTopic.Namespace.Name)),
 MenuItem("Show disconnected topics", "Lost and Found", federation.LinkMaker.LinkToLostAndFound(aTopic.Namespace.Name)),
 MenuItem("Find references to this topic", "Find References", federation.LinkMaker.LinkToSearchFor(null, aTopic.Name)),
 MenuItem("Rename this topic", "Rename", federation.LinkMaker.LinkToRename(aTopic.Fullname)),
 Newline,
 [
 "||{T-}",
 "'''Search'''", 
 "||",
 Newline, 
 "||{+}",
 Presentations.FormStart(federation.LinkMaker.LinkToSearchNamespace(aTopic.Namespace.Name), "get"),
 Presentations.HiddenField("namespace", aTopic.Namespace.Name),
 Presentations.InputField("search", "", 15),
 Presentations.ImageButton("goButton", federation.LinkMaker.LinkToImage("images/go-dark.gif"), "Search for this text"), 
 Presentations.FormEnd(),
 "||",
 Newline
 ],
 "----", Newline,
 federation.About,
 Newline, "----", Newline,
 [
 "'''History'''", Newline,
 aTopic.Changes.Snip(5).Collect
 { each |
 [
 "||{T-+}", 
 Presentations.Link(federation.LinkMaker.LinkToTopic(each.Fullname), [each.Timestamp].ToString), 
 "||", 
 Newline,
 "||{T-+}``", 
 each.Author, 
 "``||", 
 Newline
 ]
 },
 Newline,
 MenuItem("List all versions of this topic", "List all versions", federation.LinkMaker.LinkToVersions(aTopic.Fullname)),
 aTopic.Version.IfNotNull
 {[
 Newline,
 Presentations.FormStart(federation.LinkMaker.LinkToRestore(aTopic.Fullname), "post"),
 Presentations.HiddenField("RestoreTopic", aTopic.Fullname),
 Presentations.SubmitButton("restoreButton", "Restore Version"), 
 Presentations.FormEnd(),
 ]}
 Else
 {
 ""
 },
 Newline
 ],
 Newline, "----", Newline, 
 request.IsAuthenticated.IfTrue
 {[
 "||{C2+}",
 "Welcome '''", 
 request.AuthenticatedUserName,
 "'''",
 "||",
 Newline,
 request.CanLogInAndOut.IfTrue
 {[ 
 "||",
 with (Presentations)
 {
 Link(federation.LinkMaker.LinkToLogoff(aTopic.Namespace.Name), "Log off", "Log off.")
 },
 "||",
 Newline,
 ]}
 IfFalse{""},
 ]}
 IfFalse{""},
 ]
 }