[Rd] Inappropriate parens fix for Logic.Rd

[Martin Maechler]

>>>>> Suharto Anggono Suharto Anggono via R-devel <r-devel at r-project.org>
>>>>>     on Sat, 17 Mar 2018 11:53:28 +0000 writes:

    > Logic.Rd has been changed again in r74377. After change:  
    > \item{x, y}{raw or logical or \sQuote{number-like} vectors
    > (i.e., of     types \code{\link{double}} (class
    > \code{\link{numeric}},     \code{\link{integer}}) and
    > \code{\link{complex}}), or objects for

    > It is still inappropriate. As I said before, integer is
    > not double.

    > Right: numeric includes double and integer Wrong: double
    > includes numeric and integer

    > The text mentions "type" and "class". I believe that, in
    > the text, originally, "type" refers to what is returned by
    > typeof() and "class" refers to what is returned by class()
    > in R.  When typeof(x) is "double", class(x) is "numeric".
    > When typeof(x) is "integer", class(x) is "integer".

It's amazing that we've not done better .. I've tried again now.

Thank you Suharto!
Martin