Retrieves the content of the specified file and returns this content as an XML text node.
The required filepath identifies the file to be read. If filepath is a relative filepath, the path is relative to the current working directory.
If applied to an input file that has the following contents:
the following script:
TIP: You can prevent the output of XML markup characters from being escaped by passing disable-output-escaping="yes". See pc:value-of.