Erratum E2-43: invalid pattern

In E2-43, a pattern was added to the "integer" type:

<xs:pattern value='[+-]?[0-9]+'/>

But according to another erratum E2-18, the above is not a valid regular
expression, because the character '-' is not allowed. It should be

<xs:pattern value='[+\-]?[0-9]+'/>

Thanks,
Sandy Gao
Software Developer, IBM Canada
(1-905) 413-3255
sandygao@ca.ibm.com