<?xml version="1.0"?>
<openerp>
    <data>
         <report
            auto = "False"
            id = "account.account_invoices"
            model = "account.invoice"
            name = "account.invoice.layout_ccorp"
            file = "account_invoice_webkit_report/report/account_invoice_report.mako"
            string = "Account Invoice"
            report_type = "webkit"
            webkit_header = "invoice_header_webkit"/>        
    </data>            
</openerp>

<?xml version="1.0"?>
<openerp>
    <data>
         <report
            auto = "False"
            id = "account.account_invoices"
            model = "account.invoice"
            name = "account.invoice.layout_ccorp"
            file = "account_invoice_webkit_report/report/account_invoice_report.mako"
            string = "Invoices"
            report_type = "webkit"
            webkit_header = "invoice_header_webkit"
            attachment ="(object.state in ('open','paid')) and ('INV'+(object.number or '').replace('/','')+'.pdf')"        
            attachment_use ="True"
            usage="default"
          />
    </data>            
</openerp>

Fix bug about account_invoice print.
[FIX] Fix bug about account_invoice print.