Special Attributes
Some attributes are significant to XML:
xml:space
The xml:space
attribute tells an XML application whether the whitespace
within the specified element is significant:
<!ATTLISTelement_name
xml:space (default|preserve) default_decl>
<!ATTLISTelement_name
xml:space (default) #FIXED 'default' > <!ATTLISTelement_name
xml:space (preserve) #FIXED 'preserve' >
xml:lang
The xml:lang
attribute allows a document author to
specify the human language for an element's character
content. If used in a valid XML document, the document
type definition must include an attribute type declaration
with the xml:lang
attribute name. See Chapter
5 for an explanation of language support in
XML.