diff -r 67bd3121a12e -r bfa2e9c23f03 plugins/SpecialAdmin.php
--- a/plugins/SpecialAdmin.php	Thu Dec 27 22:09:33 2007 -0500
+++ b/plugins/SpecialAdmin.php	Thu Dec 27 23:32:11 2007 -0500
@@ -181,6 +181,8 @@
     if(isset($_POST['editmsg']))                 setConfig('wiki_edit_notice', '1');
     else                                         setConfig('wiki_edit_notice', '0');
     setConfig('wiki_edit_notice_text', $_POST['editmsg_text']);
+    if(isset($_POST['guest_edit_require_captcha'])) setConfig('guest_edit_require_captcha', '1');
+    else                                         setConfig('guest_edit_require_captcha', '0');
     
     // Stats
     if(isset($_POST['log_hits']))                setConfig('log_hits', '1');
@@ -341,6 +343,19 @@
         </td>
       </tr>
       
+      <tr>
+        <td class="row1">
+          <b>Require visual confirmation for guests editing pages</b><br />
+          If this is enabled, guests will be asked to enter a visual confirmation code before saving changes to a page.
+        </td>
+        <td class="row1">
+          <label>
+            <input type="checkbox" name="guest_edit_require_captcha" <?php if ( getConfig('guest_edit_require_captcha') == '1' ) echo 'checked="checked" '; ?>/>
+            Require guests to complete a CAPTCHA when editing pages
+          </label>
+        </td>
+      </tr>
+      
     <!-- Site statistics -->
     
       <tr><th class="subhead" colspan="2">Statistics and hit counting</th></tr>