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1.1 root 1: #once #create message
2: .ND
3: .EQ
4: delim $$
5: .EN
6: .LP
7: The next neqn word to learn is "over", which makes
8: fractions like
9: .EQ
10: a+b over c
11: .EN
12: In fact that line was made by
13: .EQ
14: a+b over c
15: .EN
16: To begin with an easy one, reproduce
17: the equation below in the file "Example", then type
18: ready.
19: (To get $>=$, type ">=".)
20: .pl 1
21: #once #create Ref
22: .LP
23: .EQ
24: x+1 over y+1 ~>=~ x over y
25: .EN
26: .pl 1
27: #once #create Example
28: .LP
29: .EQ
30: replace me
31: .EN
32: .pl 1
33: #
34: #once neqn Ref | nroff >X1 &
35: #once neqn message Ref | nroff -T$term %s/tinyms -
36: #user
37: neqn Example | nroff >X2
38: #cmp X1 X2
39: #log
40: #next
41: 4.1b 10
42: 4.2a 5
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