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.nr _0 \n(c.
.\" @(#)eqn.me 2.1 8/18/80
.\" This version has had comments stripped; an unstripped version is available.
.de EQ
.ec
.if !\\n(?e \
\{\
. if "\\n(.z"|e" .tm Line \\n(c. -- Nested .EQ request
. @D 1 "\\$1" "\\$2"
. @C 2
. di |e
.\}
.ls 1
.in 0
.nf
..
.de EN
.br
.ie "\\$1"C" \
\{\
. nr ?e 1
. sp \\n(esu
.\}
.el \
\{\
. nr ?e 0
. di
. if \\n(dn \
. @q
. rm |e
. rm 10
. rm 11
. rm 12
. rm 13
. rm 14
. rm 15
. rm 16
. rm 17
. rm 18
. rm 19
. rm 20
. rm 21
. rm 22
. rm 23
. ev
.\}
..
.de @q
.nr _Q \\n(dnu
.ev
.sp \\n(esu
.@C 2
.ie \\n(_d=1 \
. in (\\n(.lu+\\n($iu-\\n(dlu)/2u
.el .ie \\n(_d=2 \
. in \\n($iu
.el .ie \\n(_d=3 \
. in \\n(biu+\\n($iu
.el .if \\n(_d=4 \
. in 0
.if !"\\n(.z"" \!.ne \\n(_Qu
.ne \\n(_Qu+\n(.Vu
.mk _q
.if !"\\*(|p"" \
\{\
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. sp (\\n(_Qu-\\n(.vu)/2u
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.\}
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.sp |\\n(_qu+\\n(_Qu
.sp \\n(esu+\\n(.Lv-1v
.rr _q
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..
.nr c. \n(_0
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