A WTemplate is a widget which displays an XHTML
fragment in which other widgets or strings may be bound. This is
especially useful as an alternative to a container widget if you
want to use CSS for style and layout, and the contents is well
specified (i.e. not dynamic).
In a template, ${var} indicates a place holder
which is substituted with a widget or string that is bound to
the template.
The template text can be provided by a WString and is
thus easily localized and internalitionalized using a message
resource bundle.
Below is an example of a template: