func golang.org/x/text/internal/language.nextExtension

3 uses

	golang.org/x/text/internal/language (current package)
		language.go#L430: 		if p = nextExtension(s, p); p == len(s) {
		parse.go#L588: 	end = nextExtension(s, p)
		parse.go#L596: func nextExtension(s string, p int) int {