Try: tools:::showNonASCIIfile(file) On 3/10/2017 5:52 AM, Marc Girondot via R-help wrote: > 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?