Smarty mode
Mode for Smarty version 2 or 3, which allows for custom delimiter tags.
Several configuration parameters are supported:
  leftDelimiter and rightDelimiter,
  which should be strings that determine where the Smarty syntax
  starts and ends. 
  version, which should be 2 or 3. 
  baseMode, which can be a mode spec
  like "text/html" to set a different background mode. 
MIME types defined: text/x-smarty
Smarty 2, custom delimiters
Smarty 3