XFA Specification
Chapter 15, Template Specification
Template Reference
515
The exData element
A content element that describes a single unit of data of a foreign datatype.
<exData
Properties:
contentType="text/plain
|
cdata"
href="cdata"
id="xml-id"
maxLength="-1
|
integer"
name="xml-id"
transferEncoding="none
|
base64"
use="cdata"
usehref="cdata"
>
One-of properties:
...pcdata...
...xhtml...
...xml...
</exData>
The exData element is used within the following other elements:
desc exObject extras items proto value variables
Content
This element may enclose foreign data which is PCDATA that represents the actual data content of the
specified content type, encoded in the specified transfer encoding.
When no data content is provided, the data content may be interpreted as representing a null value. This
behavior is dependent upon the context of where the data content is used. For instance, a field may
interpret empty data content as null based upon the associated
nullType
property in the data
description.
The contentType property
The type of content in the referenced document, expressed as a MIME type. For more information, please
see [RFC2046].
The following values are allowed for documents containing text:
text/plain
Unadorned text. The XFA application may accept content that does not conform strictly to the
requirements of the MIME type.
pcdata
Support for other text types, such as
text/html
is implementation-defined.
When the referenced document is an image, a suitable MIME-type must be supplied for this property to
tell the application that the content is an image. However, the application is free to override the supplied