Overview
The re-evaluate brackets are used in situations where you are retrieving boilerplate text from a URL, however, the boilerplate may have additional dynamic text elements that need to be evaluated. In such a case, you would use the re-evaluate brackets such as {! !}.
Retrieving a Template
The following code demonstrates pulling text from the url "http://www.server.com/boilerplate.txt". If there are any dynamic text tags in the downloaded text, they will be evaluated.
{! $url('http://www.server.com/boilerplate.txt') !}