[Rd] Patch for R-exts.texi

[Martin Maechler]

>>>>> Scott Kostyshak <skostyshak at ufl.edu>
>>>>>     on Mon, 3 Jul 2017 02:09:47 -0400 writes:

    > Attached is a patch for R-exts.texi against r72880.  Here
    > are some of the changes I made:

    > - Fix a broken link:
    > https://developer.apple.com/library/mac/#documentation/DeveloperTools/Conceptual/InstrumentsUserGuide/Introduction/Introduction.html
    -> 
    >     https://developer.apple.com/library/content/documentation/DeveloperTools/Conceptual/InstrumentsUserGuide/index.html

    > - Changed a few http to https (and checked that the
    > connections are indeed secure, as judged by Chromium and
    > Firefox).

    > - A couple of grammar fixes and "sounds more natural to
    > me" changes.

    > - "x84_64" -> x86_64

    > - One change of "which" -> "that"

    > - The link to Luke's uiowa.edu page involves two changes,
    > removing the duplicate URL and changing the protocol to
    > https.

    > Thanks for your time,
    > Scott

    > -- 
    > Scott Kostyshak Assistant Professor of Economics
    > University of Florida
    > https://people.clas.ufl.edu/skostyshak/

    > [DELETED ATTACHMENT external: R-exts.texi.diff, plain
    > text]

Thank you very much, Scott!

This is a clear improvement
 ((even though some of the style changes may be debatable - but only by native
   English/American (;-) speakers, not me. ...))

Hence I've committed it (R-devel, svn rev 72900).

Martin Maechler