mime/multipart.part.mw (field) 3 uses mime/multipart (current package) writer.go#L126: mw: w, writer.go#L182: mw *Writer writer.go#L196: n, err = p.mw.w.Write(d)
The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)