== Why is this an issue?
Omitting the data type of an attribute or element leaves it to default to ``++xs:any++`` for elements, and ``++xs:anyType++`` for attributes. However there is no reason for making such a significant design decision implicit..
=== Noncompliant code example
[source,xml]
----
----
=== Compliant solution
[source,xml]
----
----
ifdef::env-github,rspecator-view[]
'''
== Implementation Specification
(visible only on this page)
=== Message
Specify the type of this (attribute|element).
=== Highlighting
``++xs:(element|attribute)++``
endif::env-github,rspecator-view[]