docs: Document (defmacro-alias)
docs: Document (defmacro-alias)

Signed-off-by: Gergely Nagy <6780fac3b38619ac20422286e4110a70dbba2203@balabit.hu>

tianon/hy,ALSchwalm/hy,larme/hy,aisk/hy,adamfeuer/hy,larme/hy,mtmiller/hy,freezas/hy,Tritlo/hy,jakirkham/hy,Foxboron/hy,tianon/hy,timmartin/hy,algernon/hy,zackmdavis/hy,Foxboron/hy,michel-slm/hy,kartikm/hy,aisk/hy,farhaven/hy,gilch/hy,farhaven/hy,aisk/hy,tianon/hy,farhaven/hy,kirbyfan64/hy,larme/hy,kirbyfan64/hy,paultag/hy,tuturto/hy