.\"
.\" Changes by Gunnar Ritter, Freiburg i. Br., Germany, September 2005.
.\"
.\" Derived from Plan 9 v4 /sys/lib/tmac/tmac.ptx
.\"
.\" Copyright (C) 2003, Lucent Technologies Inc. and others.
.\" All Rights Reserved.
.\"
.\" Distributed under the terms of the Lucent Public License Version 1.02.
.\"
.\" Sccsid @(#)ptx	1.2 (gritter) 11/6/05
'''\"	from ptx.src (ptx.src	1.1)  -  format permuted index macro
.tr ~
.nr )y \n(.lu-.65i
.nr )x \n()yu/2u
.ds s2 ~~~
.ds s4 ~
.ds s5 ~
.de xx
.ds s1
.if \w\\$2 .ds s1 ~\|
.ds s3
.if \w\\$4 .ds s3 ~\|
.ds y \\*(s4\f3\a\fP\\*(s5
.ta \\n()yu-\w\\*(s5u
\h\\n()xu-\w\\$1\\*(s1\\$2\\*(s2u\\$1\\*(s1\\$2\\*(s2\\$3\\*(s3\\$4\\*y\\$5
..
.nf