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Annotation of 43BSDReno/usr.bin/learn/learnlib/eqn/L5.1e, revision 1.1

1.1     ! root        1: #print
        !             2: Once you start using braces, there are a number of
        !             3: mistakes that you can make.  For example, you can
        !             4: leave a brace out, or you can get them out of order
        !             5: (Like } xxx { ), or you can get them in illegal places.
        !             6: For all of these, neqn tells you "syntax error",
        !             7: then tries to say what file and line numbers are
        !             8: involved.
        !             9: The line numbers are often not exact, but
        !            10: they are very close.  When you get such a message,
        !            11: print a line or two before and after the line
        !            12: numbers named in the syntax error message.
        !            13: 
        !            14: The file "Example" contains a syntax error.
        !            15: What line does neqn believe it begins on?
        !            16: Type "answer N", where N is the line number.
        !            17: #once #create Example
        !            18: .LP
        !            19: .EQ 3
        !            20: e sup -x sup 2 + e sup -x sub i sup 2 + e sup{-x sub i}sup 2
        !            21: .EN
        !            22: .EQ 4
        !            23:    e sup{-{x sub i sup 2 + y sub i sup 2}over 2}
        !            24: = e sup{- x over y}
        !            25: .EN
        !            26: .EQ 5
        !            27: a over b = c over d = A over B times C over D
        !            28: .EN
        !            29: .EQ 8
        !            30: B sub a sub 2 +
        !            31: B sub a sup 2 +B{ sub a}sup 2 + (B sub a ) sup 2 + (B sup 2 ) sub a
        !            32: +B sup 2 sup x
        !            33: .EN
        !            34: #copyin
        !            35: #user
        !            36: #uncopyin
        !            37: #match 13
        !            38: #log
        !            39: #next
        !            40: 5.1f 10

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