Index: options-reading.php
===================================================================
--- options-reading.php	(revision 6475)
+++ options-reading.php	(working copy)
@@ -81,14 +81,20 @@
 <td><input name="blog_charset" type="text" id="blog_charset" value="<?php form_option('blog_charset'); ?>" size="20" class="code" /><br />
 <?php _e('The character encoding you write your blog in (UTF-8 is <a href="http://developer.apple.com/documentation/macos8/TextIntlSvcs/TextEncodingConversionManager/TEC1.5/TEC.b0.html">recommended</a>)') ?></td>
 </tr>
+<tr valign="top"> 
+<th width="33%" scope="row"><?php _e('Feed language:') ?></th> 
+<td><input name="rss_language" type="text" id="rss_language" value="<?php form_option('rss_language'); ?>" size="20" class="code" /><br />
+<?php _e('Primary language for your posts, in two letter language codes. (<a href="http://www.w3.org/WAI/ER/IG/ert/iso639.htm">Code list</a>)') ?></td> 
+</tr>
 </table>
+</table>
 <p>
 <label><input type="checkbox" name="gzipcompression" value="1" <?php checked('1', get_option('gzipcompression')); ?> />
 <?php _e('WordPress should compress articles (gzip) if browsers ask for them') ?></label>
 </p>
 <p class="submit">
 <input type="hidden" name="action" value="update" />
-<input type="hidden" name="page_options" value="posts_per_page,posts_per_rss,rss_use_excerpt,blog_charset,gzipcompression,show_on_front,page_on_front,page_for_posts" />
+<input type="hidden" name="page_options" value="posts_per_page,posts_per_rss,rss_use_excerpt,blog_charset,gzipcompression,show_on_front,page_on_front,page_for_posts,rss_language" />
 <input type="submit" name="Submit" value="<?php _e('Update Options &raquo;') ?>" />
 </p>
 </form>