Correct datatype of attribute @sequence

Description

The attribute @sequence of <associatedNetElement> has datatype int. Since sequences shall start with value 0 and repeatedly increment by 1, the datatype shall be changed to an appropriate type, e.g. nonNegativeInteger.

Background

Links

Proposed solution railML 3.2

Change datatype of all attributes @sequence to nonNegativeInteger. This affects the following elements:

• <linearLocation / associatedNetElement>
• <netElement / elementCollectionOrdered>
• more?