What is CDATA value?
Introduction. CDATA stands for Character Data. A CDATA section in XML is used to escape text containing characters which would otherwise be recognized as markup. It can appear anywhere character data can occur.
What is CDATA in XML?
character data
The term CDATA, meaning character data, is used for distinct, but related, purposes in the markup languages SGML and XML. The term indicates that a certain portion of the document is general character data, rather than non-character data or character data with a more specific, limited structure.
What are Cdata and Pcdata in an XML document?
CDATA means the element contains character data that is not supposed to be parsed by a parser. #PCDATA means that the element contains data that IS going to be parsed by a parser. The keyword ANY declares an element with any content. If a #PCDATA section contains elements, these elements must also be declared.
What is attribute value?
An attribute-value system is a basic knowledge representation framework comprising a table with columns designating “attributes” (also known as “properties”, “predicates”, “features”, “dimensions”, “characteristics”, “fields”, “headers” or “independent variables” depending on the context) and “rows” designating ” …
How does XML character data ( CDATA ) work in XML?
Introduction to XML CDATA. XML Character data (CDATA) is defined as Blocks of texts and a type of XML Node recognized by the mark-up languages but are not parsed by the parsers. This is used to solve the inclusion of the mathematical term in the XML document. To pass a math equation <,> CDATA is used to include in the code section.
Can you use CDATA as attribute in HTML?
Yes you can when you encode the content within the XML tags. I.e. use & < > ” ‘, that way it will not be seen as markup inside your markup. We can’t use CDATA as attribute, but we can bind html using HTML codes.
What does XML pro-cessor ignore in CDATA section?
[CDATA [ and ends with the character sequence ]]>. Between the two character sequences, an XML processor ignores all markup characters such as <, >, and &. The only markup an XML pro-cessor recognizes inside a CDATA section is the closing character sequence ]>.
When to use a CDATA section in a document?
CDATA sections can be used to “block escape” literal text when replacing prohibited characters with entity references is undesirable. CDATA sections can appear inside element content and allow < and & character literals to appear. A CDATA section begins with the character sequence .