x/text/collate: ignores case and diacritics by default

[q3cpma]

Go version

go version go1.22.2 linux/amd64

Output of go env in your module/workspace:

GO111MODULE=''
GOARCH='amd64'
GOBIN=''
GOCACHE='/home/q3cpma/.cache/go-build'
GOENV='/home/q3cpma/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFLAGS=''
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMODCACHE='/home/q3cpma/.go/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/home/q3cpma/.go'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/lib/go'
GOSUMDB='sum.golang.org'
GOTMPDIR=''
GOTOOLCHAIN='local'
GOTOOLDIR='/usr/lib/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.22.2'
GCCGO='gccgo'
GOAMD64='v1'
AR='ar'
CC='x86_64-pc-linux-gnu-gcc'
CXX='x86_64-pc-linux-gnu-g++'
CGO_ENABLED='1'
GOMOD='/dev/null'
GOWORK=''
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
PKG_CONFIG='pkg-config'
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build4078013636=/tmp/go-build -gno-record-gcc-switches'

What did you do?

https://go.dev/play/p/hkm5UYyP1Sx

What did you see happen?

Output is -1 -1 -1 1. It seems the options collate.IgnoreCase and collate.IgnoreDiactrics are set by default with no way for the user to unset them.

What did you expect to see?

1 -1 1 -1 or at least a different value for the first two.

[dmitshur]

CC @mpvl per owners.