Annotation of 42BSD/usr.lib/learn/eqn/L4.1a, revision 1.1

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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