Attributes augment the element on which they appear; they also provide additional information about the element.
Attributes appear as name-value pairs in the element’s
start tag. For example, to assign the value
role attribute of
systemitem, you would use the markup:
A pointer, verbal or graphical or both, to a component of an illustration or a text object.
A character reference is a mechanism for inserting an
arbitrary Unicode character into a document. They’re most often used for
characters that aren’t available on the author’s keyboard or font.
Syntactically, they have the form
where “number” is the Unicode codepoint of the character expressed as a
decimal number. Hexadecimal numbers can also be used with character
references of the form
For example, you can type
©) to insert a © symbol.
“Cooked” data, as distinct from “raw,” is a collection of elements and character data that’s ready for presentation. The processor is not expected to rearrange, select, or suppress any of the elements, but simply present them as specified.
See Also raw
A set of declarations that defines the names of the elements and their attributes, and that specifies rules for their combination or sequence.
A term used to identify attributes used for profiling or conditional processing. DocBook contains a set of effectivity attributes that allow ...