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.pl 11i
.ps 10
.// "t" is "teeny" size
.// "s" is small caps
.// "n" is normal
.ds t \s6
.ds n \s10
.ds s \s8
.ds r \s6\|\v'-.5m'\\n+r\v'.5m'\*n\|
.vs 12p
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.sp .5
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'tl '-'''
'sp .5i
.if e .tl '\fIU\*sNIX\*n Time-Sharing System - %\fP'''
.if o .tl '''\fIU\*sNIX\*n Time-Sharing System - %\fP'
'sp .4i
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..
.de s2
.sp
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.ft B
..
.de es
.sp .2
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.ti 1
..
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.sp .5
.ti 1.0i
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