vendor/golang.org/x/text/unicode/norm.Form.FirstBoundary (method)

one use

	vendor/golang.org/x/text/unicode/norm (current package)
		normalize.go#L365: func (f Form) FirstBoundary(b []byte) int {

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)