Index: wp-admin/css/wp-admin-rtl.css
===================================================================
--- wp-admin/css/wp-admin-rtl.css	(revision 12596)
+++ wp-admin/css/wp-admin-rtl.css	(working copy)
@@ -555,6 +555,6 @@
 }
 /* ltr
 =================================== */
-#author-email, #author-url, #rss-url-1, #edit-slug-box, #post_name, #trackback_url, #metakeyinput, #post_password, #slug, #category_nicename, #link_url, #link_image, #rss_uri, #menu_order, #email, #newcomment_author_url, #pages-exclude, #template textarea, #user_login, #url, #pass1, #pass2, #aim, #yim, #jabber, #siteurl, #home, #admin_email, #gmt_offset, #default_post_edit_rows, #mailserver_url, #mailserver_login, #mailserver_pass, #mailserver_port, #ping_sites, #posts_per_page, #posts_per_rss, #blog_charset, #close_comments_days_old, #comments_per_page, #comment_max_links, #moderation_keys, #blacklist_keys, #thumbnail_size_w, #thumbnail_size_h, #medium_size_w, #medium_size_h, #large_size_w, #large_size_h, #permalink_structure, #category_base, #tag_base, #upload_path, #upload_url_path, #rules {
+#author-email, #author-url, #rss-url-1, #edit-slug-box, #post_name, #trackback_url, #metakeyinput, #post_password, #slug, #category_nicename, #link_url, #link_image, #rss_uri, #menu_order, #email, #newcomment_author_url, #pages-exclude, #template textarea, #user_login, #url, #pass1, #pass2, #aim, #yim, #jabber, #siteurl, #home, #admin_email, #gmt_offset, #default_post_edit_rows, #mailserver_url, #mailserver_login, #mailserver_pass, #mailserver_port, #ping_sites, #posts_per_page, #posts_per_rss, #comments_per_rss, #blog_charset, #close_comments_days_old, #comments_per_page, #comment_max_links, #moderation_keys, #blacklist_keys, #thumbnail_size_w, #thumbnail_size_h, #medium_size_w, #medium_size_h, #large_size_w, #large_size_h, #permalink_structure, #category_base, #tag_base, #upload_path, #upload_url_path, #rules {
 	direction: ltr;
 }
Index: wp-admin/includes/schema.php
===================================================================
--- wp-admin/includes/schema.php	(revision 12596)
+++ wp-admin/includes/schema.php	(working copy)
@@ -315,6 +315,9 @@
 	'embed_autourls' => 1,
 	'embed_size_w' => '',
 	'embed_size_h' => 600,
+
+	// (future release)
+	'comments_per_rss' => get_option( 'posts_per_rss' ),
 	);
 
 	// Set autoload to no for these options
Index: wp-admin/options-reading.php
===================================================================
--- wp-admin/options-reading.php	(revision 12596)
+++ wp-admin/options-reading.php	(working copy)
@@ -62,7 +62,10 @@
 </tr>
 <tr valign="top">
 <th scope="row"><label for="posts_per_rss"><?php _e('Syndication feeds show the most recent') ?></label></th>
-<td><input name="posts_per_rss" type="text" id="posts_per_rss" value="<?php form_option('posts_per_rss'); ?>" class="small-text" /> <?php _e('posts') ?></td>
+<td><fieldset><legend class="screen-reader-text"><span><?php _e('Syndication feeds show the most recent') ?> </span></legend>
+<p><label><input name="posts_per_rss" type="text" id="posts_per_rss" value="<?php form_option('posts_per_rss'); ?>" class="small-text" /> <?php _e('posts') ?></label><br/>
+<label><input name="comments_per_rss" type="text" id="comments_per_rss" value="<?php form_option('comments_per_rss'); ?>" class="small-text" /> <?php _e('comments') ?></label></p>
+</fieldset></td>
 </tr>
 <tr valign="top">
 <th scope="row"><?php _e('For each article in a feed, show') ?> </th>
Index: wp-admin/options.php
===================================================================
--- wp-admin/options.php	(revision 12596)
+++ wp-admin/options.php	(working copy)
@@ -27,7 +27,7 @@
 	'misc' => array( 'use_linksupdate', 'uploads_use_yearmonth_folders', 'upload_path', 'upload_url_path' ),
 	'media' => array( 'thumbnail_size_w', 'thumbnail_size_h', 'thumbnail_crop', 'medium_size_w', 'medium_size_h', 'large_size_w', 'large_size_h', 'image_default_size', 'image_default_align', 'image_default_link_type', 'embed_autourls', 'embed_size_w', 'embed_size_h' ),
 	'privacy' => array( 'blog_public' ),
-	'reading' => array( 'posts_per_page', 'posts_per_rss', 'rss_use_excerpt', 'blog_charset', 'show_on_front', 'page_on_front', 'page_for_posts' ),
+	'reading' => array( 'posts_per_page', 'posts_per_rss', 'comments_per_rss', 'rss_use_excerpt', 'blog_charset', 'show_on_front', 'page_on_front', 'page_for_posts' ),
 	'writing' => array( 'default_post_edit_rows', 'use_smilies', 'ping_sites', 'mailserver_url', 'mailserver_port', 'mailserver_login', 'mailserver_pass', 'default_category', 'default_email_category', 'use_balanceTags', 'default_link_category', 'enable_app', 'enable_xmlrpc' ),
 	'options' => array( '' ) );
 if ( !defined( 'WP_SITEURL' ) ) $whitelist_options['general'][] = 'siteurl';
Index: wp-includes/formatting.php
===================================================================
--- wp-includes/formatting.php	(revision 12592)
+++ wp-includes/formatting.php	(working copy)
@@ -2479,6 +2417,7 @@
 
 		case 'posts_per_page':
 		case 'posts_per_rss':
+		case 'comments_per_rss':
 			$value = (int) $value;
 			if ( empty($value) ) $value = 1;
 			if ( $value < -1 ) $value = abs($value);
Index: wp-includes/query.php
===================================================================
--- wp-includes/query.php	(revision 12592)
+++ wp-includes/query.php	(working copy)
@@ -2202,7 +2202,7 @@
 				$cwhere = apply_filters('comment_feed_where', $cwhere);
 				$cgroupby = apply_filters('comment_feed_groupby', $cgroupby);
 				$corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC');
-				$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'));
+				$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('comments_per_rss'));
 			}
 			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
 			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
@@ -2276,7 +2276,7 @@
 			$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
 			$corderby = apply_filters('comment_feed_orderby', 'comment_date_gmt DESC');
 			$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
-			$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('posts_per_rss'));
+			$climits = apply_filters('comment_feed_limits', 'LIMIT ' . get_option('comments_per_rss'));
 			$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
 			$this->comments = $wpdb->get_results($comments_request);
 			$this->comment_count = count($this->comments);