I've just installed XML/RSS module from PEAR. It produces
some warnings because .= operator is used on uninitialised value. Solution below (DC:CREATOR, DC:DATE are some additional elements from Dublin Core http://dublincore.org/2001/08/14/dces which I use - which  might also be added to a module)


206c206,208
<                     case "DESCRIPTION" :
---
>                     case "DESCRIPTION" :
>                     case "DC:CREATOR":
>                     case "DC:DATE":
267,268c269,273
<     {
<         $this->{$type}[$field] .= $value;
---
>     {
> 	if(empty($this->{$type}) || empty($this->{$type}[$field])) 
> 	    $this->{$type}[$field] = $value;
> 	else 
>     	    $this->{$type}[$field] .= $value;