| Re: <track>@mainDir [message #1768 is a reply to message #1767] |
Wed, 18 April 2018 19:05   |
Thomas Nygreen JBD
Messages: 68
Registered: February 2017
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christian.rahmig wrote on Mon, 16 April 2018 16:55
your approach sounds reasonable to me. We may think about implementing
this "unknown issue" as a fundamental railML 3 pattern.
That is a good idea. It should probably be discussed broader than just in this thread.
christian.rahmig wrote on Mon, 16 April 2018 16:55
whenever an optional attribute (or optional element) is not provided,
this means that the related information is unknown.
Unless a default value is specified. We should strive to always define a default value for optional attributes when possible. A lot of attributes will still not have a meaningful default, in which case a rule interpreting them as unknown will be useful.
Best regards,
Thomas Nygreen
Railway capacity engineer
Jernbanedirektoratet
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