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Annotation of 43BSDTahoe/usr.lib/learn/eqn/L3.1b, revision 1.1

1.1     ! root        1: #once #create message
        !             2: .ND
        !             3: .PP
        !             4: Naturally there is a superscript operation that's exactly
        !             5: like "sub", except that it goes up instead of down.
        !             6: It is called "sup".  To make
        !             7: .EQ
        !             8: x sup i+j
        !             9: .EN
        !            10: for example, you type
        !            11:    .EQ
        !            12:    x sup i+j
        !            13:    .EN
        !            14: 
        !            15: Make the file "Example" produce the same output
        !            16: as the following, then type "ready".
        !            17: #once #create Ref
        !            18: .LP
        !            19: .EQ
        !            20: x sup alpha ~=~ y sup pi ~+~ z sup pi
        !            21: .EN
        !            22: .pl 1
        !            23: #once #create Example
        !            24: .LP
        !            25: .EQ
        !            26: xxx
        !            27: .EN
        !            28: .pl 1
        !            29: #
        !            30: #once neqn Ref | nroff >X1 &
        !            31: #once neqn message Ref | nroff -T$term %s/tinyms -
        !            32: #user
        !            33: neqn Example | nroff >X2
        !            34: #cmp X1 X2
        !            35: #fail
        !            36: Don't forget that there are spaces
        !            37: around the = and +.
        !            38: #cmp X1 X2
        !            39: #log
        !            40: #next
        !            41: 3.1c 10

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