l9.2a

<B>Digital的Unix操作系统VAX 4.2源码</B>

#once #create message
.ND
.tr %$
.EQ
delim $$
.EN
.LP
Modify "Example" to produce output that looks like this,
then type "ready".
.pl 1
#once #create Ref
.LP
.EQ
x bar ~=~ E(x) bar ~/~ E( x bar )
.EN
.pl 1
#once #create Example
.LP
.EQ
xxxx
.EN
.pl 1
#
#once neqn Ref | nroff >X1 &
#once neqn message Ref | nroff -T$term %s/tinyms -
#user
neqn Example | nroff >X2
#cmp X1 X2
#log
#next
9.1b 10