In message "[ruby-talk:01162] Possible bug in ruby-man-1.4"
    on 00/01/21, Dave Thomas <Dave / thomases.com> writes:

|I'm probably wrong (again), but doesn't
|
|    -13.remainder(-4)
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|parse as
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|    -(13.remainder(4))
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|not
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|    (-13).remainder(4)

You are right.  I'd like to hear your opinion about this.

  -13.remainder(4) => (-13).remainder(4) or -(13.remainder(4))
  -foo.remainder(4) => (-foo).remainder(4) or -(foo.remainder(4))