Adobe Acrobat SDK
Interactive Features (Chapter 8 in PDF Reference)
Adobe® Supplement to the ISO 32000
8.6 Interactive Forms 42
8.6 Interactive Forms
Extension level 1 adds support for the rich text specified in XML Forms Architecture (XFA), versions 2.5 and 2.6.
The following entry in Table 8.73 reflects the clarified description from the Errata for the PDF Reference, sixth
edition, version 1.7, available at
www.adobe.com/go/acrobat_developer
.
(Select the
Documentation
tab.)
Unchanged content is shown in gray.
Table 8.73 Attributes of the <body> element
ATTRIBUTE
DESCRIPTION
xfa:spec
The version of the
XML Forms Architecture (XFA)
specification to which the rich text string
complies. The following are valid values:
●
2.0
, which specifies XFA version 2.0. PDF 1.5 supports this version.
●
2.2
, which specifies XFA version 2.2. PDF 1.6 supports this version and the earlier
versions back to XFA version 2.0.
●
2.4
, which specifies XFA version 2.4. PDF 1.7 supports this version and the earlier
versions back to XFA version 2.0.
●
2.5
, which specifies XFA version 2.5. This value is an extension added in Acrobat 8.1.
(
ExtensionLevel 1
)
●
2.6
, which specifies XFA version 2.6. This value is an extension added in Acrobat 8.1.
(
ExtensionLevel 2
)
See implementation note E-5,
page 130
.