[OPEN-ILS-DEV] PATCH: use escape_xml() for email addresses in overdue notice template example

[Dan Scott]

On Thu, 2009-11-19 at 10:11 -0500, Galen Charlton wrote:
> Trivial patch to turn on XML-escaping of e-mail addresses.  '&' is a  
> rarely used but valid character in email addresses, and failing to  
> escape makes the overdue notice data file non-well-formed. 

Thanks Galen! I've applied your patch to trunk, and will backport it
shortly.