Mike I came to write up the issue tracker for this and had a thought. Property textStandardZeroRep says: The empty string means that there is no special literal string for zero. I wondered if the equivalent is a better interpretation of empty string for textStandardNanRep and textStandardInfinityRep ? Regards Steve Hanson IBM Integration Bus, Hursley, UK Architect, IBM DFDL Co-Chair, OGF DFDL Working Group smh@uk.ibm.com tel:+44-1962-815848 mob:+44-7717-378890 From: Steve Hanson/UK/IBM To: Mike Beckerle <mbeckerle.dfdl@gmail.com> Cc: "dfdl-wg@ogf.org" <dfdl-wg@ogf.org> Date: 19/05/2016 21:53 Subject: Re: [DFDL-WG] clarification: textBooleanTrue/FalseRep cannot be empty string? textStandardNaNRep and friends cannot be empty string. Agree that textBooleanxxxRep properties should state empty string not allowed. The textStandardNanRep and textStandardInfinityRep properties should state empty string not allowed. The others you list already mention empty string. Regards Steve Hanson IBM Integration Bus, Hursley, UK Architect, IBM DFDL Co-Chair, OGF DFDL Working Group smh@uk.ibm.com tel:+44-1962-815848 mob:+44-7717-378890 From: Mike Beckerle <mbeckerle.dfdl@gmail.com> To: "dfdl-wg@ogf.org" <dfdl-wg@ogf.org> Date: 19/05/2016 17:38 Subject: [DFDL-WG] clarification: textBooleanTrue/FalseRep cannot be empty string? textStandardNaNRep and friends cannot be empty string. Sent by: "dfdl-wg" <dfdl-wg-bounces@ogf.org> We don't stipulate that textBooleanTrueRep nor textBooleanFalseRep cannot be empty string. We do stipulate that entity ES is not allowed. So I expect these properties cannot be "" meaning the same thing that "%ES;" would mean. Since we disallow the latter, we should disallow just "". Similarly, for textStandardGroupingSeparator, textStandardExponentRep, textStandardNaNRep, and textStandardInfinityRep we specify that the string literal value behaves as specified in textStandardDecimalSeparator, but we don't specify that these cannot be empty string (which is specified in textStandardDecimalSeparator, but not in the "Text Number Character Restrictions" part of that property description that is referenced from these other properties.) ES and WSP* are not allowed, so almost certainly empty string should not be allowed. Mike Beckerle | OGF DFDL Workgroup Co-Chair | Tresys Technology | www.tresys.com Please note: Contributions to the DFDL Workgroup's email discussions are subject to the OGF Intellectual Property Policy -- dfdl-wg mailing list dfdl-wg@ogf.org https://www.ogf.org/mailman/listinfo/dfdl-wg Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU