XFA Specification
Chapter 11, Forms That Initiate Interactions with Servers
Null handling
347
Null handling
XFA supports the use of the
xsi:nil
attribute to explicitly mark an element as containing or not
containing null data. This is an extension of the notation defined in
[XMLSchema].
The use of
xsi:nil
in
XFA is described in
“Data Values Representing Null Data” on page 130.