[R-pkg-devel] Fwd: R-package-devel at R-project.org: RANDR

[Duncan Murdoch]

On 24/01/2017 5:28 PM, Dirk Eddelbuettel wrote:
>
> On 24 January 2017 at 15:11, Cathy Lee Gierke wrote:
> | I'm cleaning up the problems in my build, but there are a few I do not
> | understand, like this one.  What is this telling me?
> |
> | --------------------
> |
> | * checking for unstated dependencies in examples ...Warning in grep("^Xlib:
> | *extension \"RANDR\" missing on display", out, invert = TRUE,  :
> |
> |   input string 4 is invalid in this locale
> |
> | Error in grep("^Xlib: *extension \"RANDR\" missing on display", out, invert
> | = TRUE,  :
> |
> |   attempt to set index 4/4 in SET_STRING_ELT
> |
> | Execution halted
> |
> | --------------------
> | ​Thank you for your assistance,
>
> Those are X11 error messages. How are your running your test? Anything
> unusual like a remote connection suppressing display extension such as RANDR
> which are usually available at the workstation itself.
>
> In any case, this may have nothing to do with you package per se but as did
> not share code or how you ran the tests it is hard to say more.

This one turned out to be two things:  a bad character in a help file 
(the first message kind of hints at that), and a bug in the old version 
of R that Cathy was using.  Messages in current versions are clearer.

Duncan Murdoch