diff --git a/IkiWiki/Plugin/comments.pm b/IkiWiki/Plugin/comments.pm
index a7b166232..892b4af26 100644
--- a/IkiWiki/Plugin/comments.pm
+++ b/IkiWiki/Plugin/comments.pm
@@ -33,8 +33,54 @@ sub getsetup () { #{{{
 	return
 		plugin => {
 			safe => 1,
+			rebuild => 1,
+		},
+		# Pages where comments are shown, but new comments are not
+		# allowed, will show "Comments are closed".
+		comments_shown_pagespec => {
+			type => 'pagespec',
+			example => 'blog/*',
+			default => '',
+			description => 'PageSpec for pages where comments will be shown inline',
+			link => 'ikiwiki/PageSpec',
+			safe => 1,
+			rebuild => 1,
+		},
+		comments_open_pagespec => {
+			type => 'pagespec',
+			example => 'blog/* and created_after(close_old_comments)',
+			default => '',
+			description => 'PageSpec for pages where new comments can be posted',
+			link => 'ikiwiki/PageSpec',
+			safe => 1,
+			rebuild => 1,
+		},
+		comments_pagename => {
+			type => 'string',
+			example => 'comment_',
+			default => 'comment_',
+			description => 'Base name for comments, e.g. "comment_" for pages like "sandbox/comment_12"',
+			safe => 0, # manual page moving will required
 			rebuild => undef,
 		},
+		comments_allowdirectives => {
+			type => 'boolean',
+			default => 0,
+			example => 0,
+			description => 'Allow directives in newly posted comments?',
+			safe => 1,
+			rebuild => 0,
+		},
+		comments_commit => {
+			type => 'boolean',
+			example => 1,
+			default => 1,
+			description => 'commit comments to the VCS',
+			# old uncommitted comments are likely to cause
+			# confusion if this is changed
+			safe => 0,
+			rebuild => 0,
+		},
 } #}}}
 
 # Somewhat based on IkiWiki::Plugin::inline blog posting support