fset format_signoff $G $(c4)($(c2)signoff$(c4)/$(c1)$(c4)) $(c1)$1$(c4)[$(c2)$sar(/@/$(c1)@$(c2)/$2)$(c4)]$(c3): $3-
fset format_channel_signoff $G $(c4)($(c2)signoff$(c4)/$(c1)$3$(c4)) $(c1)$1$(c4)[$(c2)$sar(/@/$(c1)@$(c2)/$2)$(c4)]$(c3): $4-