[R] "found 4 marked UTF-8 strings" during check of package... but where !

Duncan Murdoch murdoch.duncan at gmail.com
Fri Mar 10 15:24:53 CET 2017

On 10/03/2017 2:52 AM, Marc Girondot via R-help wrote:
> Dear members,
> I want submit to CRAN a new version of a package that I maintain. When I
> check locally "as-cran" no note or error are reported but the link after
> submission reports several notes and one warning:
> For example:
> using R Under development (unstable) (2017-03-05 r72309)
> using platform: x86_64-apple-darwin16.4.0 (64-bit)
> using session charset: UTF-8
> ...
> checking extension type ... Package
> this is package ‘embryogrowth’ version ‘6.4’
> package encoding: UTF-8
> ...
> checking data for non-ASCII characters ... NOTE
>    Note: found 4 marked UTF-8 strings
> I have the same with
> using R version 3.3.0 (2016-05-03)
> using platform: x86_64-apple-darwin13.4.0 (64-bit)
> but not with some others such as r-devel-linux-x86_64-debian-gcc
> Based on the message, "Note: found 4 marked UTF-8 strings", it seems
> that "4 marked UTF-8 strings" are present in the package and it is a
> problem...
> Is there any solution to know in which file?

It's one containing an object coming from your data directory.

R won't give more detail than that, but if you still can't guess, you 
could get some idea by debugging the check code:


where pkg contains the path to the package source code.  That function 
does the checking one variable at a time.

Duncan Murdoch

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