$rev1 = (int) $_REQUEST['rev2'][0];
$rev2 = (int) $_REQUEST['rev2'][1];
---- dokuwiki/inc/common.php 2010-01-11 14:48:58.213308444 +0200
-+++ dokuwiki/inc/common.php 2010-01-12 12:18:39.000000000 +0200
-@@ -1128,6 +1128,8 @@
- }elseif($rev){
- $subject = $lang['mail_changed'].' '.$id;
- $text = str_replace('@OLDPAGE@',wl($id,"rev=$rev",true,'&'),$text);
-+ $rev2 = $INFO['meta']['date']['modified'];
-+ $text = str_replace('@DIFFPAGE@',wl($id,"do=diff&r1=$rev&r2=$rev2",true,'&'),$text);
- require_once(DOKU_INC.'inc/DifferenceEngine.php');
- $df = new Diff(explode("\n",rawWiki($id,$rev)),
- explode("\n",rawWiki($id)));
-@@ -1136,6 +1138,7 @@
- }else{
- $subject=$lang['mail_newpage'].' '.$id;
- $text = str_replace('@OLDPAGE@','none',$text);
-+ $text = str_replace('@DIFFPAGE@','none',$text);
- $diff = rawWiki($id);
- }
- $text = str_replace('@DIFF@',$diff,$text);
+--- dokuwiki-rc2010-10-07/inc/common.php~ 2010-10-07 21:41:20.000000000 +0300
++++ dokuwiki-rc2010-10-07/inc/common.php 2010-10-07 21:45:00.639114275 +0300
+@@ -1147,6 +1147,8 @@
+ }elseif($rev){
+ $subject = $lang['mail_changed'].' '.$id;
+ $text = str_replace('@OLDPAGE@',wl($id,"rev=$rev",true,'&'),$text);
++ $rev2 = $INFO['meta']['date']['modified'];
++ $text = str_replace('@DIFFPAGE@',wl($id,"do=diff&r1=$rev&r2=$rev2",true,'&'),$text);
+ $df = new Diff(explode("\n",rawWiki($id,$rev)),
+ explode("\n",rawWiki($id)));
+ $dformat = new UnifiedDiffFormatter();
+@@ -1154,6 +1156,7 @@
+ }else{
+ $subject=$lang['mail_newpage'].' '.$id;
+ $text = str_replace('@OLDPAGE@','none',$text);
++ $text = str_replace('@DIFFPAGE@','none',$text);
+ $diff = rawWiki($id);
+ }
+ $text = str_replace('@DIFF@',$diff,$text);