golang.org/x/tools/txtar.openFile.ReadAt (method, view implemented interface methods)

one use

	golang.org/x/tools/txtar (current package)
		fs.go#L219: func (f *openFile) ReadAt(b []byte, offset int64) (int, error) {

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)