.\" hello wrodl
.de A1
.br
hello world
..
.rm 55
.pl 30
.tl /hello/word/
this is simepls
.mk
sjsjsjs tts a a alks s
sksks
sslslslsls aikaklkalaa a a a  a a a
.br
hello
.br
.A1
.wh 0 A1
.nr A2 3
.A1 hello
.rt
wordl
\n%
.if \n%=1 \{hello world \}
.bp
hello
.br
.\".ds CT "hello Ct