--- Store.pm.orig	2003-08-09 01:16:21.000000000 -0600
+++ Store.pm	2004-07-26 17:25:46.000000000 -0600
@@ -328,12 +328,12 @@
 
 
 # =========================
-# rdiff:            $text = &TWiki::Store::getRevisionDiff( $webName, $topic, "1.$r2", "1.$r1" );
+# rdiff:            $text = &TWiki::Store::getRevisionDiff( $webName, $topic, $attachment, "1.$r2", "1.$r1" );
 sub getRevisionDiff
 {
-    my( $web, $topic, $rev1, $rev2 ) = @_;
+    my( $web, $topic, $attachment, $rev1, $rev2 ) = @_;
 
-    my $rcs = _getTopicHandler( $web, $topic );
+    my $rcs = _getTopicHandler( $web, $topic, $attachment );
     my $r1 = substr( $rev1, 2 );
     my $r2 = substr( $rev2, 2 );
     my( $error, $diff ) = $rcs->revisionDiff( $r1, $r2 );
@@ -744,11 +744,17 @@
 # =========================
 sub topicExists
 {
-    my( $theWeb, $theTopic ) = @_;
+    my( $theWeb, $theTopic, $theFile ) = @_;
     ( $theWeb, $theTopic ) = normalizeWebTopicName( $theWeb, $theTopic );
-    return -e "$TWiki::dataDir/$theWeb/$theTopic.txt";
+
+    if ( $theFile eq "" ) {
+        return -e "$TWiki::dataDir/$theWeb/$theTopic.txt";
+    } else {
+        return -e "$TWiki::pubDir/$theWeb/$theTopic/$theFile";
+    }
 }
 
+
 # =========================
 # Try and get from meta information in topic, if this can't be done then use RCS
 # Note there is no "1." prefix to this data