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5.1 XML Schema Built-in Datatypes
5.2 XForms Datatypes
This chapter defines the datatypes used in defining an XForms model.
XForms includes all XML Schema datatypes. Concepts value space, lexical space and constraining facets are as specified in [XML Schema part 2]. XML Schema features used in XForms are divided into two modules, called Basic and Full. Base types included in module basic are marked with an asterisk *. Datatypes derived by restriction and derived by list from these base types are also included in the basic module.
Built-in primitive types:
Built-in derived types:
The Schema for XForms derives the following types to facilitate defining
model in XForms. These types are included in XForms Basic.
This datatype serves as a base for the listItem datatype. The value space for listItem permits one or more characters valid for xsd:string, except whitespace characters.
XForms includes form controls that produce simpleType list content.
This is facilitated by defining a
derived-by-list datatype. The value space for listItems is defined by list-derivation
In most cases, it is better to use markup to distinguish items in a list. See 8.11.3 itemset.
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