, making it into a comment. Switching to INCLUDE has the same effect as removing the comment marks. [%onoff;[ . . ]]> Namespaces XML namespaces are used to help make certain that element names are unique. A name defined as a member of a namespace is made up of two parts. The first part is the prefix and is the same for all names in the same space.
A PI can be intended for one specific process, so any other process can ignore it if it doesn’t understand the content of the PI. For example, if an XML document is being used as a source of data to be stored in a file, the database process can ignore any instructions pertaining to displaying the data. In the XML file, a processing instruction begins with >. Its content consists of its name and one or more attribute named values. > The name of this PI is scrollwin, and it contains the two named data items, height and width.