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XML Forms Data Format (XFDF) Specification - Adobe Partners

XML Forms Data Format (XFDF) Specification - Adobe Partners

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<strong>XFDF</strong> Reference<br />

<strong>XML</strong> <strong>Forms</strong> <strong>Data</strong> <strong>Format</strong> <strong>Specification</strong> Form Field Elements 35<br />

Content model<br />

Empty.<br />

Attributes<br />

original<br />

modified<br />

Required. This attribute corresponds to the permanent identifier which is based<br />

on the contents of the file at the time it was originally created. This value does not<br />

change when the file is incrementally updated.<br />

Value is a hexadecimal number. When assigned by Acrobat, this is an MD5<br />

signature value.<br />

Required. The modified attribute contains a unique identifier for the modified<br />

version of the PDF and corresponding <strong>XFDF</strong> document. The modified attribute<br />

corresponds to the changing identifier that is based on the file's contents at the<br />

time it was last updated.<br />

Value is a hexadecimal number. When assigned by Acrobat, this is an MD5<br />

signature value.<br />

Form Field Elements<br />

fields<br />

field<br />

These elements are used in form fields:<br />

●<br />

●<br />

●<br />

●<br />

fields<br />

field<br />

value<br />

value-richtext<br />

The fields element is a child of the xfdf element and is the container for form field elements. The<br />

fields element corresponds to the Fields key in the FDF dictionary.<br />

Content model<br />

field*<br />

Attributes<br />

None.<br />

The field element is a child of the<br />

to a form field.<br />

fields and field elements. The field element corresponds

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