Index: twikiplugins/LatexModePlugin/lib/TWiki/Plugins/LatexModePlugin/Parse.pm
===================================================================
--- twikiplugins/LatexModePlugin/lib/TWiki/Plugins/LatexModePlugin/Parse.pm	(Revision 11673)
+++ twikiplugins/LatexModePlugin/lib/TWiki/Plugins/LatexModePlugin/Parse.pm	(Arbeitskopie)
@@ -713,11 +713,11 @@
 
     my $before = '';
 
-    if($txt =~ m!$delim_l!is) {
+    if($txt =~ m!(.*?)($delim_l)(.*)!is) {
 	$nleft++;
-	$before = $`;
-	$umb = $&;
-	$txt = "$'";
+	$before = $1;
+	$umb = $2;
+	$txt = $3;
 
 #	return ($before, $umb,$txt);
 #	my $pl = -1;
@@ -725,7 +725,7 @@
 
 	while($nright < $nleft) {
 
-	    if($txt =~ m!$delim_r!is) {
+	    if($txt =~ m!(.*?)($delim_r)(.*)!is) {
 		$nright++;
 	    }
 	    else {
@@ -737,14 +737,14 @@
 	    }
 
 
-	    $front = $`;
-	    $umb .= $` . $&;
-	    $txt = "$'";
+	    $front = $1;
+	    $umb .= $1 . $2;
+	    $txt = $3;
 
 	    #count how many left's are before this right
-	    while($front =~ m!$delim_l!is) {
+	    while($front =~ m!$delim_l(.*)!is) {
 		$nleft++;
-		$front = "$'";
+		$front = $1;
 	    }
 #	    if($pl == $nleft && $pr == $nright) {
 #		die("Delimiter mismatch!");