gistfile1.txt

# Input string

  Length:
    0.                        [property zerovalue]
    1.
    size - 1.
    size + 1.
    size*2.
    size*2 - 1.
    size*2 + 1.
    maxint.

  Content:
    alphanumeric characters.  [if !zerovalue]
    special characters.       [if !zerovalue]
    spaces.                   [if !zerovalue]

# Input size

  Value:
    0.
    >0.
    <0.                       [error]
    maxint.                   [single]