Annotation of 42BSD/usr.lib/learn/eqn/L3.1e, revision 1.1

1.1     ! root        1: #once #create message
        !             2: .ND
        !             3: .PP
        !             4: One common typing error that you should watch out for
        !             5: is forgetting to end a superscript or subscript
        !             6: with a blank or other delimiter (like tilde).
        !             7: For instance, you often see output like
        !             8: .EQ
        !             9: f(x sup 2)=1
        !            10: .EN
        !            11: because there wasn't a space left between the 2 and the ).
        !            12: What we really wanted, of course, was
        !            13: .EQ
        !            14: f(x sup 2 )=1
        !            15: .EN
        !            16: 
        !            17: Modify "Example" to produce this output, then type "ready".
        !            18: .pl 1
        !            19: #once #create Ref
        !            20: .LP
        !            21: .EQ
        !            22: g( x sup pi ) 
        !            23: = pi (gx sup 2 )
        !            24: .EN
        !            25: .pl 1
        !            26: #once #create Example
        !            27: .LP
        !            28: .EQ
        !            29: g( x sup pi) 
        !            30: =pi(gxsup2)
        !            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: 4.1a 10

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