(.)a
(.,.)c
(.,.)d
e [file]
E [file]
f [file]
(1,$)g/RE/command list
(1,$)G/RE/
h
H
(.)i
(.,.+1)j
(.)kx
(.,.)l
(.,.)m_addr
(.,.)n
(.,.)p
P
q
Q
($)r
(.,.)s/RE/replacement/flags
(.,.)t_addr
u
(1,$)v/RE/command list
(1,$)V/RE/
(1,$)w [file]
($)=
!command
(.+1) (NULL cmd)