* installing *source* package ‘Docovt’ ...
** this is package ‘Docovt’ version ‘0.1’
** using staged installation
** R
Warning: file ‘CLX.R’ is invalid UTF-8
Warning: file ‘LC.R’ is invalid UTF-8
Warning: file ‘PEC.R’ is invalid UTF-8
Warning: file ‘PECO.R’ is invalid UTF-8
Warning: file ‘PEF.R’ is invalid UTF-8
Error : invalidly encoded .R file(s)
ERROR: unable to collate and parse R files for package ‘Docovt’
* removing ‘/srv/hornik/tmp/CRAN_pretest/Docovt.Rcheck/Docovt’