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40bar
2011 Nov 23
1
gsub, utf-8 replacements and the C-locale
Hi all,
I'd like to discuss a infelicity/possible bug with gsub. Take the
following function:
f <- function(x) {
gsub("\u{A0}", " ", gsub(" ", "\u{A0}", x))
}
As you might expect, in utf-8 locales it is idempotent:
Sys.setlocale("LC_ALL", "UTF-8")
f("x y")
# [1] "x y"
But in the C locale it is not: