diff --git a/IkiWiki.pm b/IkiWiki.pm
index 47116089b..6747a3ba4 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -949,16 +949,16 @@ sub formattime ($;$) {
 sub beautify_urlpath ($) {
 	my $url=shift;
 
-	if ($config{usedirs}) {
-		$url =~ s!/index.$config{htmlext}$!/!;
-	}
-
 	# Ensure url is not an empty link, and if necessary,
 	# add ./ to avoid colon confusion.
-	if ($url !~ /^\// && $url !~ /^\.\.\//) {
+	if ($url !~ /^\// && $url !~ /^\.\.?\//) {
 		$url="./$url";
 	}
 
+	if ($config{usedirs}) {
+		$url =~ s!/index.$config{htmlext}$!/!;
+	}
+
 	return $url;
 }
 
diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index 644ef1be8..0ae9eefe3 100644
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -432,8 +432,8 @@ sub sessioncgi ($$) {
 
 	if ($form->submitted eq PREVIEW) {
 		my $preview = IkiWiki::htmlize($location, $page, '_comment',
-				IkiWiki::linkify($page, $page,
-					IkiWiki::preprocess($page, $page,
+				IkiWiki::linkify($location, $page,
+					IkiWiki::preprocess($location, $page,
 						IkiWiki::filter($location,
 							$page, $content),
 						0, 1)));
@@ -447,6 +447,12 @@ sub sessioncgi ($$) {
 		$template->param(title => $form->field('subject'));
 		$template->param(ctime => displaytime(time));
 
+		IkiWiki::run_hooks(pagetemplate => sub {
+			shift->(page => $location,
+				destpage => $page,
+				template => $template);
+		});
+
 		$form->tmpl_param(page_preview => $template->output);
 	}
 	else {
@@ -525,6 +531,8 @@ sub pagetemplate (@) {
 	my $page = $params{page};
 	my $template = $params{template};
 	my $shown = ($template->query(name => 'commentslink') ||
+	             $template->query(name => 'commentsurl') ||
+	             $template->query(name => 'atomcommentsurl') ||
 	             $template->query(name => 'comments')) &&
 	            commentsshown($page);
 
@@ -554,6 +562,22 @@ sub pagetemplate (@) {
 		}
 	}
 
+	if ($template->query(name => 'commentsurl')) {
+		if ($shown) {
+			$template->param(commentsurl =>
+				urlto($page, undef, 1).'#comments');
+		}
+	}
+
+	if ($template->query(name => 'atomcommentsurl') && $config{usedirs}) {
+		if ($shown) {
+			# This will 404 until there are some comments, but I
+			# think that's probably OK...
+			$template->param(atomcommentsurl =>
+				urlto($page, undef, 1).'comments.atom');
+		}
+	}
+
 	if ($template->query(name => 'commentslink')) {
 		# XXX Would be nice to say how many comments there are in
 		# the link. But, to update the number, blog pages
diff --git a/t/beautify_urlpath.t b/t/beautify_urlpath.t
new file mode 100755
index 000000000..b9d3493a2
--- /dev/null
+++ b/t/beautify_urlpath.t
@@ -0,0 +1,16 @@
+#!/usr/bin/perl
+use warnings;
+use strict;
+use Test::More tests => 7;
+
+BEGIN { use_ok("IkiWiki"); }
+
+$IkiWiki::config{usedirs} = 1;
+$IkiWiki::config{htmlext} = "HTML";
+is(IkiWiki::beautify_urlpath("foo/bar"), "./foo/bar");
+is(IkiWiki::beautify_urlpath("../badger"), "../badger");
+is(IkiWiki::beautify_urlpath("./bleh"), "./bleh");
+is(IkiWiki::beautify_urlpath("foo/index.HTML"), "./foo/");
+is(IkiWiki::beautify_urlpath("index.HTML"), "./");
+$IkiWiki::config{usedirs} = 0;
+is(IkiWiki::beautify_urlpath("foo/index.HTML"), "./foo/index.HTML");
diff --git a/templates/atomitem.tmpl b/templates/atomitem.tmpl
index 1ff7f4f4e..768695a2c 100644
--- a/templates/atomitem.tmpl
+++ b/templates/atomitem.tmpl
@@ -39,4 +39,10 @@
 	  <TMPL_VAR CONTENT ESCAPE=HTML>
 	 </content>
 	</TMPL_IF>
+	<TMPL_IF NAME="COMMENTSURL">
+	<link rel="comments" href="<TMPL_VAR NAME="COMMENTSURL">" type="text/html" />
+	</TMPL_IF>
+	<TMPL_IF NAME="ATOMCOMMENTSURL">
+	<link rel="comments" href="<TMPL_VAR NAME="ATOMCOMMENTSURL">" type="application/atom+xml" />
+	</TMPL_IF>
 </entry>
diff --git a/templates/rssitem.tmpl b/templates/rssitem.tmpl
index 42936a668..a61b92b61 100644
--- a/templates/rssitem.tmpl
+++ b/templates/rssitem.tmpl
@@ -23,4 +23,7 @@
 	<TMPL_ELSE>
 	<description><TMPL_VAR CONTENT ESCAPE=HTML></description>
 	</TMPL_IF>
+	<TMPL_IF NAME="COMMENTSURL">
+	<comments><TMPL_VAR NAME="COMMENTSURL"></comments>
+	</TMPL_IF>
 </item>