DTD - Entities
by Jan Egil Refsnes
Entities
- Entities as variables used to define shortcuts to common text.
- Entity references are references to entities.
- Entities can be declared internal.
- Entities can be declared external
Internal Entity Declaration
Syntax:
<!ENTITY entity-name "entity-value">
DTD Example:
<!ENTITY writer "Jan Egil Refsnes.">
<!ENTITY copyright "Copyright XML101.">
XML example:
<author>&writer;©right;</author>
|
External Entity Declaration
Syntax:
<!ENTITY entity-name SYSTEM "URI/URL">
DTD Example:
<!ENTITY writer SYSTEM "http://www.xml101.com/entities/entities.xml">
<!ENTITY copyright SYSTEM "http://www.xml101.com/entities/entities.dtd">
XML example:
<author>&writer;©right;</author>
|
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Jump to : Top Of Page or HOME
|
