Including articles	Use sdInclude to include one Joomla! article in another using the sdInclude command.
Comments	Use sdComment to comment out sections of articles.  Use this to hide a work in progress, to select variants of text on different days, for notes, leaving comments for other authors, etc.
Defining Macros	Defining and using macros with the sdDefine, sdMacro commands, and passing arguments into macros using the sdArg command.
Advanced Commands	Pass long arguments into macros with the sdValue command, forcing text output with the sdEcho command, and changing the behaviour of commands with command flags.