SECTION 8.6
681
Interactive Forms
TABLE 8.72 XHTML elements used in rich text strings
ELEMENT
DESCRIPTION
<body>
The element at the root of the XML document. Table 8.73 lists the required attributes for this
element.
Encloses text that is interpreted as a paragraph. It may take the style attributes listed in Table
Encloses text that is displayed in an italic font.
Encloses text that is displayed in a bold font.
Groups text solely for the purpose of applying styles (using the attributes in Table 8.74).
<p>
<i>
<b>
<span>
TABLE 8.73 Attributes of the <body> element
ATTRIBUTE
DESCRIPTION
xmlns
The default namespaces for elements within the rich text string. Must be
xmlns="http://
www.w3.org/1999/xhtml"
xmlns:xfa="http://www.xfa.org/schema/xfa-data/1.0"
.
xfa:contentType
xfa:APIVersion
Must be
"text/html"
.
A string that identifies the software used to generate the rich text string. It must be of the
form
software_name:software_version
, where
•
software_name
identifies the software by name. It must not contain spaces.
•
software_version
identifies the version of the software. It consists of a series of integers
separated by decimal points. Each integer is a version number, the leftmost value being a
major version number, with values to the right increasingly minor. When comparing
strings, the versions are compared in order. For example “5.2” is less than “5.13” because
2 is less than 13; the string is not treated as a decimal number. When comparing strings
with different numbers of sections, the string with fewer sections is implicitly padded on
the right with sections containing “0” to make the number of sections equivalent.
xfa:spec
The version of the
XML Forms Architecture (XFA)
specification to which the rich text
string complies. PDF 1.5 supports XFA 2.0; PDF 1.6 supports XFA 2.2; and PDF 1.7 sup-
ports XFA 2.4.