This template simply returns the passed parameter. It can be used to exclude word or lines in print versions, be it printing of the web page or rendering as a PDF. Common uses include hiding elements that make no sense in print such as: "Click the name of a town on the map for more details".
Where possible you can also use
class="noprint" to any block element in order to hide that content from printing.
For simple usage where the text is a simple sentence or phrase:
For usage where the content is of a more extensive nature such as a block based element, such as a table, or list of items.