[R] readline issue with 3.3.1

[Martin Maechler]

>>>>> Ralf Goertz <r_goertz at web.de>
>>>>>     on Fri, 22 Jul 2016 10:15:36 +0200 writes:

    > Am Thu, 21 Jul 2016 18:07:43 +0200 schrieb Martin Maechler
    > <maechler at stat.math.ethz.ch>:

    >> Ralf Goertz <r_goertz at web.de> on Wed, 20 Jul 2016
    >> 16:37:53 +0200 writes:
 
    >>> I installed readline version 6.3 and the issue is
    >>> gone. So probably some of the recent changes in R's
    >>> readline code are incompatible with version readline
    >>> version 6.2.
    >> 
    >> Yes, it seems so, unfortunately.
    >> 
    >> Thank you for reporting !

    > It would be great if – while fixing this – you also took
    > care of the SIGWINCH problem described in bug report
    > https://bugs.r-project.org/bugzilla3/show_bug.cgi?id=16604

Well, that *has* been fixed in 'R-devel' and 'R 3.3.1 patched'
..  but again only for readline >= 6.3

(The release process of 3.3.1 was already too much advanced, and
 such source changes are delicate)

It is quite a bit of work to get correct code for the different
versions of readline, also dealing with the fact that e.g. on
Mac OSX the code needs to work with the libedit/editlib
"substitute".

One reason we have not closed the bug is that the fix is only
for readline >= 6.3, ... and also that I don't think we got much
of user confirmation of the form
   " yes, the bug goes away once I compile R-devel or R-patched
   "

    > Thanks, Ralf

You are welcome, Martin

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