A limited set of actions can assigned via macro commands. Incompatible actions are ommited from the generated macro. Also note that Macros are limited to 15 lines each.
Set Samurai lv90
Reaper
Set blackmage EW
Lose Huraijin.
No new buttons.
NIN as of 6.4
XHB(16), WXHB(16), ExXHB(8)
Hurajin is on another bar somewhere cause it's only used post-mortem, and my hopes will never die