MACRO macrohelp

macrohelp shows a help message with instructions on how to use the macro UI.
 /macrohelp
== Message ==
Macro Help:
- To bring up the macro UI type /macro or choose it from the chat command menu
- Use the macro UI to automate chat text, emotes, and slash commands
- To cast a spell from a macro use the following syntax: /cast <name> (<subtext>)
- Shift click a spell in your spellbook with the macro UI open to add it to your macro
== Patch changes ==
*