unhandledChar
ftp://ftp.de.debian.org/debian/pool/main/r/r-cran-microbenchmark/r-cran-microbenchmark_1.5.0.orig.tar.gz
2.21.0 microbenchmark/src/nanotimer_gettimeofday.h:6:15: error: The code contains unhandled character(s) (character code=194). Neither unicode nor extended ascii is supported. [unhandledChar]