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.if \\n(g7 .fi
..
.	\" TS - source file for tbl
.de TS
.rn TS @T
.so \*(//tbl.ms
.TS \\$1 \\$2
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..
.	\" EQ - source file for eqn
.de EQ
.rn EQ @T
.so \*(//eqn.ms
.EQ \\$1 \\$2
.rm @T
..
.	\" ]- - source file for refer
.de ]-
.rn ]- @T
.so \*(//ref.ms
.]-
.rm @T
..
.if !"\*(.T"" \{\
.	\" LT and HE - source for letter head
.de LT
.rn LT @T
.so \*(L/hed.ms
.LT
.rm @T
..
.de HE
.rn HE @T
.so \*(L/hed.ms
.HE
.rm @T
..
.\}
.	\" [< - for refer -s or -e
.de ]<
.rn ]< @T
.so \*(//ref.ms
.]<
.rm @T
..
.	\" footnote delimiters
.if \n(.V>19 .ds [ \f1[
.if \n(.V>19 .ds ] ]\fP
.if \n(.V<20 .ds [ \f1\s-2\v'-.4m'
.if \n(.V<20 .ds ] \v'.4m'\s+2\fP
.	\" refer strings
.if n .ds [. [
.if t .ds [. \s-2\v'-.4m'\f1
.if n .ds .] ]
.if t .ds .] \v'.4m'\s+2\fP
.if n .ds <. "
.if t .ds <. .
.if n .ds >. .
.if t .ds >. "
.if n .ds >; ;
.if t .ds >; "
.if n .ds Q \&"
.if n .ds U \&"
.if n .ds - \%--
.if t .ds Q ``
.if t .ds U ''
.if t .ds - \(em
.ds ' \h'\w'e'u/5'\z\'\h'-\w'e'u/5'
.ds ` \h'\w'e'u/5'\z\`\h'-\w'e'u/5'
.ds ^ \h'\w'o'u/10'\z^\h'-\w'o'u/10'
.ds , \h'\w'c'u/5'\z,\h'-\w'c'u/5'
.ds : \h'\w'u'u/5'\u\z.\h'\w'u'u*2/5'\z.\d\h'-\w'u'u*3/5'
.ds ~ \h'\w'n'u/10'\z~\h'-\w'n'u/10'
.ds C \h'\w'c'u/5'\v'-.6m'\s-4\zv\s+4\v'.6m'\h'-\w'c'u/5'
.	\" AM - better accent marks
.de AM
.so \*(//acc.ms
..
.	\" TM - thesis mode
.de TM
.so \*(//ths.ms
..
.	\" BX - word in a box
.de BX
.if t \(br\|\\$1\|\(br\l'|0\(rn'\l'|0\(ul'
.if n \(br\\kA\|\\$1\|\\kB\(br\v'-1v'\h'|\\nBu'\l'|\\nAu'\v'1v'\l'|\\nAu'
..
.	\" B1 - source file for boxed text
.de B1
.rn B1 @T
.so \*(//tbl.ms
.B1 \\$1
.rm @T
..
.	\" XS - table of contents
.de XS
.rn XS @T
.so \*(//toc.ms
.XS \\$1 \\$2
.rm @T
..
.	\" IX - index words to stderr
.de IX
.tm \\$1\t\\$2\t\\$3\t\\$4 ... \\n(PN
..
.	\" UX - UNIX macro
.de UX
.ie \\n(UX \s-1UNIX\s0\\$1
.el \{\
\s-1UNIX\s0\\$1\(dg
.FS
\(dg \s-1UNIX\s0 is a registered trademark of AT&T Bell Laboratories
in the USA and other countries.
.FE
.nr UX 1
.\}
..
.co
.if \n(mo-0 .ds MO January
.if \n(mo-1 .ds MO February
.if \n(mo-2 .ds MO March
.if \n(mo-3 .ds MO April
.if \n(mo-4 .ds MO May
.if \n(mo-5 .ds MO June
.if \n(mo-6 .ds MO July
.if \n(mo-7 .ds MO August
.if \n(mo-8 .ds MO September
.if \n(mo-9 .ds MO October
.if \n(mo-10 .ds MO November
.if \n(mo-11 .ds MO December
.ds DY \*(MO \n(dy, 19\n(yr
.nr * 0 1
.IZ
.em EM
.rm IZ RA // L/