[oXygen-user] more problems with xml-model processing instruction

In Oxygen 12.2 & 13.1: If the value of the @href attribute of an xml-model processing instruction is a URL with query string, the ampersands in the query string must be replaced with & to avoid an error. This is as it should be. BUT when the attribute value is then used to obtain the schema, it appears that the & entities are not converted back to &, leading to errors in resolving the URL. Tara