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1.1 root 1: .nr _0 \n(c.
2: .\" @(#)eqn.me 2.1 8/18/80
3: .\" %beginstrip%
4: .de EQ \" *** equation start
5: .ec
6: .if !\\n(?e \
7: \{\
8: . if "\\n(.z"|e" .tm Line \\n(c. -- Nested .EQ request
9: . @D 1 "\\$1" "\\$2"
10: . @C 2
11: . di |e
12: .\}
13: .ls 1
14: .in 0
15: .nf
16: ..
17: .de EN \" *** equation end
18: .br
19: .ie "\\$1"C" \
20: \{\
21: . nr ?e 1
22: . sp \\n(esu
23: .\}
24: .el \
25: \{\
26: . nr ?e 0
27: . di
28: . if \\n(dn \
29: . @q \" actual equation output
30: . rm |e
31: . rm 10
32: . rm 11
33: . rm 12
34: . rm 13
35: . rm 14
36: . rm 15
37: . rm 16
38: . rm 17
39: . rm 18
40: . rm 19
41: . rm 20
42: . rm 21
43: . rm 22
44: . rm 23
45: . ev
46: .\}
47: ..
48: .de @q \" --- equation output
49: .nr _Q \\n(dnu
50: .ev
51: .sp \\n(esu \" output rest of preceeding text
52: .@C 2 \" .ev 2 may be jumbled from header
53: .ie \\n(_d=1 \
54: . in (\\n(.lu+\\n($iu-\\n(dlu)/2u
55: .el .ie \\n(_d=2 \
56: . in \\n($iu
57: .el .ie \\n(_d=3 \
58: . in \\n(biu+\\n($iu
59: .el .if \\n(_d=4 \
60: . in 0
61: .if !"\\n(.z"" \!.ne \\n(_Qu
62: .ne \\n(_Qu+\n(.Vu \" keep it on one page
63: .mk _q
64: .if \n@>1 .tm --@e: _Q=\\n(_Q _q=\\n(_q nl=\\n(nl |p=\\*(|p
65: .if !"\\*(|p"" \
66: \{\
67: . rs
68: . sp (\\n(_Qu-\\n(.vu)/2u
69: . tl """\\*(|p"
70: . rt \\n(_qu
71: .\}
72: .|e
73: .sp |\\n(_qu+\\n(_Qu
74: .sp \\n(esu+\\n(.Lv-1v
75: .rr _q
76: .rr _Q
77: ..
78: .nr c. \n(_0
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