Online help documents the '*' and '?' cmdline prefixes

src/sbbs3/scfg/scfg.c

src/sbbs3/scfg/scfg.h

src/sbbs3/scfg/scfgchat.c

src/sbbs3/scfg/scfgmsg.c

src/sbbs3/scfg/scfgnet.c

src/sbbs3/scfg/scfgnode.c

src/sbbs3/scfg/scfgxfr1.c

src/sbbs3/scfg/scfgxfr2.c

src/sbbs3/scfg/scfgxtrn.c